2026 Proffered Presentations

 

 

(S001) THE USE OF CEREBRAL BYPASS IN THE SURGICAL MANAGEMENT OF SKULL BASE TUMORS: A SYSTEMATIC REVIEW OF THE LITERATURE
Emal Lesha; Delaney Graham; George Michael; Camille Milton; Aruha Khan; Nickalus Khan; University of Tennessee Health Science Center

(S002) ANEURYSM GEOMETRY AND LOCATION ARE ASSOCIATED WITH RUPTURE STATUS IN VERY SMALL ANEURYSMS
David Bonda, MD¹; Danielle Golub²; Thomas Link, MD²; Athos Patsalides, MD²; Daniele Starnoni, MD²; Amir R Dehdashti, MD²; ¹Cedars Sinai; ²Northwell Health

(S003) COMPARING FLOW DIVERSION AND STENT-ASSISTED COILING IN UNRUPTURED INTRACRANIAL ANEURYSMS: A META-ANALYSIS OF HEAD-TO-HEAD STUDIES
David Cho, BS¹; Gerardo Duran, BS¹; Cory Greer, BS¹; Abdurrahman F Kharbat, MD²; Michael J Feldman, MD²; Andrew M Bauer, MD²; Christopher S Graffeo, MD, MS²; ¹OU College of Medicine; ²OU Health

(S004) PREDICTING POSTOPERATIVE STROKE AFTER STA-MCA BYPASS IN MOYAMOYA DISEASE USING CT PERFUSION: A MULTIVARIATE META-REGRESSION STUDY
David Cho, BS¹; Gerardo Duran, BS¹; Cory Greer, BS¹; Abdurrahman F Kharbat, MD²; Michael J Feldman, MD²; Andrew M Bauer, MD²; Christopher S Graffeo, MD, MS²; ¹OU College of Medicine; ²OU Health

(S005) ADOPTING KEYHOLE STRATEGIES IN MICROVASCULAR DECOMPRESSION SURGERY FOR VASCULAR COMPRESSION SYNDROMES IN EARLY CAREER ACADEMIC PRACTICE: OUTCOMES, TECHNICAL NUANCES AND COMPLICATION AVOIDANCE
Mehdi Khaleghi, MD; Adnan Shahid; Asa Barnett; Garrett Dyess; Brandon Kaye; Ursula Hummel; Jai Thakur; University of South Alabama

(S006) HIGH-FLOW BYPASS COMBINED WITH PROXIMAL PARENT ARTERY OCCLUSION FOR GIANT BASILAR ARTERY ANEURYSMS: LONG-TERM OUTCOMES OF A 5-YEAR FOLLOW-UP COHORT
Xiao Guang Tong, MD; Tianjin Neurosurgical Research Institute

(S007) OUTCOME PREDICTORS AFTER MICROVASCULAR DECOMPRESSION FOR TRIGEMINAL NEURALGIA: EXPANDING THE SCOPE WITH MRI-BASED MORPHOMETRIC ANALYSIS
Shadi Bsat, MD¹; Saahas Rajendran, BS²; Mohammadmahdi Sabahi, MD, MPH¹; Serdar Rahmanov, MD¹; Kaylee Sarna, MS¹; Badih Adada, MD¹; Hamid Borghei-Razavi, MD¹; ¹Cleveland Clinic Florida; ²Charles E. Schmidt College of Medicine at Florida Atlantic University

(S009) METHYLPREDNISOLONE/BUPIVACAINE INJECTION PROVIDES IMMEDIATE PAIN RELIEF FOR PATIENTS WITH REFRACTORY TYPE 2A TRIGEMINAL NEURALGIA WITH REDUCED RISK OF NEUROPATHIC PAIN DETERIORATION
Adway Gopakumar, BS¹; Shovan Bhatia, BS¹; Poliana Hartung, BS¹; Dongwon Lee, BS¹; Ajay Pathakamuri, BS¹; William McKay, MS¹; Sri Sridhar¹; Stephen C Frederico, MS, MMSc¹; Nikhil Sharma, MD¹; Hussam Abou-Al-Shaar, MD²; Arka N Mallela, MD, MS³; Edward G Andrews, MD¹; Georgios A Zenonos, MD¹; ¹University of Pittsburgh Medical Center; ²University of Texas Health Science Center at Houston; ³Rush University Medical Center

 

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(S010) MERGING REALITY AND VIRTUALITY: PHOTOREALISTIC INTEGRATION OF 3D ANATOMICAL MODELS INTO REAL PHOTOGRAPHS
Marco Obersnel, MD; Chiara Angelini, MD; Hao Tang, MD; Roberto Rodriguez Rubio, MD; UCSF

(S011) OPTIMIZING THE TRANSORBITAL NEUROENDOSCOPIC (TONES) APPROACH TO THE CAVERNOUS SINUS: A VOLUMETRIC ANALYSIS AND QUANTITATIVE ASSESSMENT OF SURGICAL EXPOSURE AND MANEUVERABILITY
Sonia Ajmera, MD¹; Rachel Blue, MD¹; Kamila Bond, MD, PhD¹; Reinier Alvarez, MD²; Patrick Hosokawa, MS²; A. Samy Youssef, MD, PhD²; ¹University of Pennsylvania Health System; ²University of Colorado

(S012) QUANTITATIVE ANATOMICAL COMPARISON OF MICROSURGICAL TRANSCRANIAL, ENDOSCOPIC ENDONASAL AND TRANSORBITAL APPROACHES TO THE ORBIT AND SURROUNDING SKULL BASE REGIONS
Edoardo Agosti¹; Marco Valentini²; Karen Mapelli¹; Barbara Buffoli¹; Mario Turri-Zanoni²; Pierre-Olivier Champagne³; Vittorio Rampinelli¹; A. Yohan Alexander⁴; Ludovico Agostini⁵; Maria Peris-Celda⁴; Marco Ravanelli¹; Rita Rezzani¹; Marco Maria Fontanella¹; Francesco Doglietto⁵; ¹University of Brescia; ²University of Insubria; ³Université Laval; ⁴Mayo Clinic; ⁵Fondazione Policlinico Universitario Agostino Gemelli IRCCS

(S013) TEMPORALIS SPARING MINI-PTERIONAL - TECHNICAL NUANCES AND OUTCOMES
Lydia Kaoutazani, MD; Fernando Vale-Enrique; David Baker, MD; Christopher Carr, MD; Shannon Derthick; Luca Debs; Fernando Vale, MD; M. Salman Ali, MD; Medical College of Georgia at Augusta University

(S014) TRANS ATLANTO OCCIPITAL MEMBRANE APPROACH TO THE FOURTH VENTRICLE AND BRAINSTEM THROUGH THE FORAMEN OF MAGENDIE WITHOUT CRANIOTOMY
Alexander Sanikidze, MD, PhD; David Pitskhelauri, MD, PhD; Alexander Konovalov,, MD, PhD; Igor Pronin, MD, PhD; Elina Kudieva, MD, PhD; Ruslan Ishkinin, MD, PhD; Shakhzod Tursunkulov, MD; Tatiana Melnikova-Pitskhelauri; Burdenko Neurosurgery Center

(S015) FUNCTIONAL OUTCOMES OF SUBPERINEURAL ONION-PEELING DISSECTION FOR MICROSURGICAL RESECTION OF VAGAL PARAGANGLIOMAS
Caryn J Ha¹; Shrey B Shah, BA¹; Raj Malhotra, MD¹; Rachel Kaye, MD, FACS¹; James K Liu, MD, FAANS, FACS²; ¹Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA; ²Department of Neurosurgery, Cooperman Barnabas Medical Center, RWJ Barnabas Health, Livingston, New Jersey, USA

(S017) CLICK, PROMPT, MODEL: FAST AI-DRIVEN ANATOMICAL AND SURGICAL 3D DESIGN - BUT NOT WITHOUT YOU
Chiara Angelini, MD; Marco Obersnel, MD; Hao Tang, MD; Roberto Rodriguez Rubio, MD; UCSF

(S018) REDEFINING THE SURGICAL MAP FOR THE PARAPHARYNGEAL SPACE: ANATOMIC FEASIBILITY OF A TRANSORAL ENDOSCOPIC APPROACH AND A NOVEL LYMPH NODE COMPARTMENTALIZATION
Yongli Wang¹; Siow Ping Loong¹; Moataz D Abouammo¹; Rodrigo D Gehrke¹; Je Beom Hong¹; Kyle K VanKoevering¹; Kyle C Wu²; Daniel M Prevedello²; Ricardo L Carrau¹; ¹Department of Otolaryngology-Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA; ²Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA

(S019) ANATOMICAL ORGANIZATION OF THE TRIGEMINAL NERVE AND CLINICAL CORRELATION IN MICROVASCULAR DECOMPRESSION FOR TRIGEMINAL NEURALGIA
Serdar Rahmanov, MD; Mohammadmahdi Sabahi, MD; Evgeniia Rahmanova, MD; Abdulrahman Albakr, MD; Hamid Borghei-Razavi, MD; Badih Adada, MD; Cleveland Clinic Florida

 

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(S021) UNDERSTANDING THE TRIANGLES: A PRACTICAL ROADMAP OF THE CAVERNOUS SINUS
Yasaman Alam, MD¹; Alessandro De Bonis, MD²; Luciano CPC Leonel, PhD³; Pedro Plou, MD⁴; Simona Serioli, MD⁵; Maria Peris-Celda, MD, PhD³; ¹Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, USA; ²Department of Neurosurgery and Gamma Knife Radiosurgery, I.R.C.C.S. San Raffaele Scientific Institute, Vita Salute University, 20132, Milan, Italy; ³Mayo Clinic Rhoton Neurosurgery and Otolaryngology Surgical Anatomy Program, Mayo Clinic, Rochester, Minnesota, United States; ⁴Department of Neurosurgery, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; ⁵Division of Neurosurgery, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, 25123 Brescia, Italy

(S022) EFFECT OF INTERNAL CAROTID ARTERY MORPHOLOGY ON PATTERNS OF CAVERNOUS SINUS INVASION AND SURGICAL OUTCOMES IN 137 PITUITARY ADENOMAS
Taishi Nakase, MS; Yuanzhi Xu, MD; Felipe Constanzo, MD; Jonathan Lamano, MD, PhD; Ana Sofia Alvarez, MD; Lily Kim, MD; Vera Vigo, MD; Juan C Fernandez-Miranda, MD; Stanford University

(S023) TRANSORBITAL PUNCTURE APPROACHES FOR CAVERNOUS SINUS DURAL ARTERIOVENOUS FISTULA EMBOLIZATION: A SINGLE-ARM META-ANALYSIS OF TECHNICAL SUCCESS AND SAFETY OUTCOMES
Khushal Gupta, MBBS¹; Michael Karsy, MD, PhD, MSc, FAANS, FCNS²; ¹Bharat Ratna Late Shri Atal Bihari Vajpayee Memorial Medical College; ²University of Michigan Health

(S024) MICROSURGICAL AND ENDOSCOPIC CHARACTERIZATION OF THE ANTEROINFERIOR WALL OF THE CAVERNOUS SINUS: A CADAVERIC STUDY AT THE INTERSECTION OF ANATOMICAL FOSSAE
Hao Tang, MD; Chiara Angelini, MD; Marco Obersnel, MD; Roberto Rubio, MD; Neurological surgery department of UCSF

(S025) LONG-TERM CRANIAL NERVE OUTCOMES OF MICROSURGICALLY MANAGED CAVERNOUS SINUS TUMORS: A SINGLE-CENTER EXPERIENCE OF 107 PATIENTS
Varadaraya Shenoy, MD; Jessica Eaton, MD; Pascal Lavergne, MD; Laligam Sekhar, MD; University of Washington, Seattle

(S026) SURGICAL STRATEGY, TECHNIQUE, AND CLINICAL OUTCOME FOR MENINGIOMA IN AND AROUND THE CAVERNOUS SINUS
Takashi Sugawara, MD, PhD; Akira Saitoh, MD; Shuhei Yamasaki, MD; Ryohei Sashida, MD; Tomihiro Wakamiya, MD, PhD; Takashi Agari, MD, PhD; Kazuaki Shimoji, MD, PhD; Eiichi Suehiro, MD, PhD; Keisuke Onoda, MD, PhD; Akira Matsuno, MD, PhD; Department of Neurosurgery, International University of Health and Welfare

(S027) CLINICAL OUTCOMES AND IMAGING FINDINGS OF OPEN SUPERIOR OPHTHALMIC VEIN APPROACH FOR CLOSURE OF CAROTID-CAVERNOUS FISTULAS
Lauren E Colwell, MD¹; Rebecca F Silverman, MD¹; Pascal M Jabbour, MD²; Stavropoula I Tjoumakaris, MD²; Jurij R Bilyk, MD¹; ¹Wills Eye Hospital and Thomas Jefferson University; ²Thomas Jefferson University

(S028) CRANIAL NEUROPATHY OUTCOMES IN SYMPTOMATIC CAVERNOUS SINUS MENINGIOMAS: ENDOSCOPIC ENDONASAL DECOMPRESSION PLUS STEREOTACTIC RADIOSURGERY COMPARED TO STEREOTACTIC RADIOSURGERY ALONE
Kara A Parikh, MD; James Mamaril-Davis, MD; Ryan B Juncker; Mark Damante, MD; Eric Nisenbaum, MD; Kyle C Wu, MD; Ricardo L Carrau, MD; Daniel M Prevedello, MD, MBA; The Ohio State University

 

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(S029) DEVELOPMENT OF A CORE OUTCOMES SET (COS) IN SURGICAL NONFUNCTIONAL PITUITARY ADENOMA RESEARCH: A MULTIDISCIPLINARY RAPID CONSORTIUM EFFORT
Kara A Parikh, MD¹; Won Kim, MD²; Michael Catalino, MD³; Michael Chicoine, MD⁴; Michael Karsy, MD⁵; Donato Pacione, MD⁶; Andrew S Little, MD⁷; Varun Kshettry, MD⁸; Pablo Recinos, MD⁸; Gabriel Zada, MD⁹; Garni Barkhoudarian, MD¹⁰; Juan Fernandez-Miranda, MD¹¹; Robert Rennert, MD¹²; James Evans, MD¹³; Ramin Morshed, MD¹⁴; Georgios Zenonos, MD¹⁵; Adam Mamelak, MD¹⁶; Spiros L Blackburn, MD¹⁷; Jamie Van Gompel, MD¹⁸; Kyle Wu, MD¹; Albert Kim, MD¹⁹; Stephanie Cheok, MD²⁰; ¹The Ohio State University, Department of Neurosurgery; ²University of California, Los Angeles, Department of Neurosurgery; ³University of Virginia, Department of Neurosurgery; ⁴University of Missouri, Department of Neurosurgery; ⁵University of Michigan, Department of Neurosurgery; ⁶New York University, Department of Neurosurgery; ⁷Barrow Neurological Institute; ⁸Cleveland Clinic, Department of Neurosurgery; ⁹University of Southern California, Department of Neurosurgery; ¹⁰Pacific Neuroscience Institute; ¹¹Stanford University, Department of Neurosurgery; ¹²University of Utah, Department of Neurosurgery; ¹³Thomas Jefferson University, Department of Neurosurgery; ¹⁴University of California, San Francisco, Department of Neurosurgery; ¹⁵University of Pittsburgh Medical Center, Department of Neurosurgery; ¹⁶Cedars-Sinai, Department of Neurosurgery; ¹⁷The University of Texas Health Science Center at Houston; ¹⁸Mayo Clinic, Department of Neurosurgery; ¹⁹Washington University School of Medicine; ²⁰Medical College of Wisconsin, Department of Neurosurgery

(S030) SURGEON EXPERIENCE AND OUTCOMES IN CUSHING'S DISEASE: A MULTICENTER STUDY
Alexander C Greven, MD, MBA¹; Mark Pacult, MD¹; Kassu M Beyene, MS¹; Carolina G Benjamin, MD²; Marvin Bergsneider, MD³; James Evans, MD⁴; Juan C Fernandez-Miranda, MD⁵; Paul A Gardner, MD⁶; Michael Karsy, MD⁷; Varun Kshettry, MD⁸; Adam Mamelak, MD⁹; Donato R Pacione, MD¹⁰; Robert C Rennert, MD¹¹; Julie Silverstein, MD¹²; Daniel F Kelly, MD¹³; Kyle Wu, MD¹⁴; Gabriel Zada, MD¹⁵; Andrew S Little, MD, MBA¹; ¹Barrow Neurological Institute; ²Miami Miller School of Medicine; ³University of California, Los Angeles; ⁴Thomas Jefferson University; ⁵Stanford University; ⁶University Pittsburgh Medical Center; ⁷University of Michigan Medical School; ⁸Cleveland Clinic; ⁹Cedar Sinai Medical Center; ¹⁰NYU Langone Health; ¹¹University of Utah Health; ¹²Washington University in St. Louis; ¹³Pacific Neuroscience Institute; ¹⁴Ohio State University Wexner Medical Center; ¹⁵USC Keck School of Medicine

(S031) CHASING THE INVISIBLE: A SYSTEMATIC STRATEGY FOR ENDOSCOPIC PITUITARY EXPLORATION IN MRI-NEGATIVE CUSHING'S DISEASE WITH SURGICAL OUTCOMES
Gianluca L Fabozzi¹; Thibault Passeri¹; Rakhmon Egamberdiev¹; Hussam Abou-Al-Shaar¹; Ivo Peto¹; Pouneh K Fazeli²; Eric W Wang³; Garret Choby³; Georgios A Zenonos¹; Carl H Snyderman³; Paul A Gardner¹; ¹Department of Neurological Surgery, University of Pittsburgh Medical School (UPMC), Pittsburgh, Pennsylvania; ²Neuroendocrinology Unit, Division of Endocrinology and Metabolism, Department of Medicine, University of Pittsburgh Medical School (UPMC), Pittsburgh, Pennsylvania; ³Department of Otolaryngology, University of Pittsburgh Medical School (UPMC), Pittsburgh, Pennsylvania

(S032) DIFFERENTIAL PRESENTATION AND OUTCOMES IN MICRO VERSUS MACRO PITUITARY ADENOMAS IN CUSHING'S DISEASE: A MULTICENTER RETROSPECTIVE ANALYSIS FROM THE RAPID REGISTRY
Hana Hallak¹; Bhuvic Patel¹; Jing Wang¹; Andrew Little²; Kevin Yuen²; Adam Mamelak³; James Evans⁴; Jamie Van Gompel⁵; Carolina Benjamin⁶; Donato Pacione⁷; Kyle Wu⁸; Garni Barkhoudarian⁹; Juan Carlos Fernandez-Miranda¹⁰; Won Kim¹¹; Paul Gardner¹²; Georgios Zenonos¹²; Hussein Abdullah¹²; Gabriel Zada¹³; Robert Rennert¹⁴; William Couldwell¹⁴; Michael Catalino¹⁵; Varun Kshettry¹⁶; Nathan Zwagerman¹⁷; Stephanie Cheok¹⁷; Ramin Morshed¹⁸; Spiros Blackburn¹⁹; Debraj Mukherjee²⁰; Andre Beer-Furlan²¹; Carter Suryadevara⁷; Marvin Bergsneider¹¹; Michael Karsy²²; Michael Chicoine²³; Albert Kim¹; Julie Silverstein¹; ¹Washington University; ²Barrow Neurological Institute; ³Cedars Sinai; ⁴Thomas Jefferson; ⁵Mayo Clinic; ⁶University of Miami; ⁷New York University; ⁸Ohio State University; ⁹Providence Medical Center; ¹⁰Stanford University; ¹¹University of California Los Angeles; ¹²University of Pittsburgh Medical Center; ¹³University of Southern California; ¹⁴University of Utah; ¹⁵University of Virginia; ¹⁶Cleveland Clinic; ¹⁷Medical College of Wisconson; ¹⁸University of California San Francisco; ¹⁹University of Texas Health Science Center at Houston; ²⁰Johns Hopkins University; ²¹Moffitt Cancer Center; ²²University of Michigan; ²³University of Missouri

(S033) THREE-DIMENSIONAL TOPOGRAPHY OF PITUITARY MICROADENOMAS: A RETROSPECTIVE STUDY ON TUMOR DISTRIBUTION
Sandhya R Palit, MD¹; Yuki Shinya, MD, PhD^1,2; Dana Erickson, MD³; Justine S Herndon, PAC³; Irina Bancos, MD³; Jamie J Van Gompel, MD¹; ¹Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA; ²Department of Neurosurgery, University of Virginia, Charlottesville, Virginia, USA; ³Division of Endocrinology, Diabetes, and Nutrition, Mayo Clinic, Minnesota, USA

(S034) ENDOSCOPIC ENDONASAL ANGIOGRAPHY WITH INDOCYANINE GREEN PREDICTS VISUAL DEFICITS AFTER SUPRASELLAR TUMOR REMOVAL: A PROSPECTIVE MULTICENTER TRIAL
Daniel Quintana, BA¹; Robert C Osorio, MD¹; Carl Snyderman, MD, MBA²; Paul Gardner, MD²; Eric Wang, MD²; Georgios Zenonos, MD²; Garret W Choby, MD²; Ezequiel Goldschmidt, MD, PhD¹; ¹Department of Neurological Surgery, University of California San Francisco, California, USA; ²Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA

(S035) EFFICACY AND PERIOPERATIVE MORBIDITY IN THE RESECTION OF RECURRENT CRANIOPHARYNGIOMAS: A MULTI-INSTITUTIONAL REPORT OF THE RAPID REGISTRY
Ryan Shih¹; Jorge Salcedo-Sifuentes¹; Maya Harary¹; Marvin Bergsneider¹; Kyle Wu²; Daniel Prevedello²; James J Evans, MD³; Michael R Chicoine, MD⁴; Albert H Kim, MD, PhD⁵; Julie M Silverstein, MD⁵; Michael Karsy, MD, PhD⁶; Jamie Van Gompel, MD, PhD⁷; Donato R Pacione⁸; Carter Suryadevara, MD⁸; Paul A Gardner, MD⁸; Stephanie Cheok, MD⁹; Nathan Zwagerman, MD⁹; Varun R Kshettry, MD¹⁰; Robert C Rennert, MD¹¹; William T Couldwell, MD, PhD¹¹; Garni Barkhoudarian, MD¹²; Juan C Fernandez-Miranda, MD¹³; Gabriel Zada, MD¹⁴; Carolina Benjamin, MD¹⁵; Michael P Catalino, MD, PhD¹⁶; Adam Mamelak, MD¹⁷; Georgios Zenonos, MD¹⁸; Ramin Morshed, MD¹⁹; Spiros Blackburn, MD²⁰; Debraj Mukherjee, MD²¹; Andre Beer-Furlan, MD²²; Kevin C Yuen, MD²³; Ildiko Torok, MD²³; Andrew S Little, MD²³; Won Kim, MD¹; ¹UCLA Department of Neurosurgery; ²The Ohio State University; ³Jefferson University; ⁴University of Missouri; ⁵Washington University School of Medicine; ⁶University of Michigan; ⁷May Clinic; ⁸New York University; ⁹Medical College of Wisconsin; ¹⁰Cleveland Clinic Foundation; ¹¹University of Utah; ¹²Pacific Neuroscience Institute; ¹³Stanford; ¹⁴University of Southern California; ¹⁵Miller School of Medicine, University of Miami; ¹⁶University of Virginia; ¹⁷Cedar Sinai Medical Center; ¹⁸University of PIttsburgh; ¹⁹University of California, San Francisco; ²⁰University of Texas Health; ²¹Johns Hopkins University; ²²Moffitt Cancer Center; ²³Barrow Neurological Institute

(S036) COMPARATIVE HYPOTHALAMIC AND ENDOCRINOLOGICAL OUTCOMES OF CRANIOPHARYNGIOMAS BASED ON INFUNDIBULUM SACRIFICE VS. PRESERVATION: A RETROSPECTIVE, MULTI-CENTER RAPID CONSORTIUM STUDY
Brandon Laing¹; Francesca Ghidoni¹; Noa Tal¹; Daniel F Kelly¹; Won Kim²; Marvin Bergsneider²; Kyle Wu³; Daniel Prevedello³; James Evans⁴; Michael Chicoine⁵; Albert Kim⁶; Julie Silverstein⁵; Michael Karsy⁷; Jamie van Gompel⁸; Donato Pacione⁹; Carter Suryadevara⁹; Paul Gardner⁹; Stephanie Cheock¹⁰; Nathan Zwaggerman¹⁰; Varun Kshettry¹¹; Robert Rennert¹²; William Cauldwell¹²; Juan C Fernandez-Miranda¹³; Gabriel Zada¹⁴; Carolina Benjamin¹⁵; Michael Catalino¹⁶; Adam Mamelak¹⁷; Georgios Zenonos¹⁸; Ramin Morshed¹⁹; Spiros Blackburn²⁰; Debraj Mukherjee²¹; Andre Beer-Furlan²²; Andrew Little²³; Kevin Yuen²³; Garni Barkhoudarian¹; ¹Pacific Neuroscience Institute; ²UCLA; ³OSU; ⁴Jefferson University; ⁵University of Missouri; ⁶Washington University; ⁷University of Michigan; ⁸Mayo Clinic; ⁹NYU; ¹⁰University of Wisconsin; ¹¹Cleveland Clinic; ¹²University of Utah; ¹³Stanford University; ¹⁴USC; ¹⁵University of Miami; ¹⁶UVA; ¹⁷Cedars Sinai; ¹⁸UPMC; ¹⁹UCSF; ²⁰UT Houston; ²¹Johns Hopkins University; ²²Moffitt; ²³Barrow Neurological Institute

(S037) PITUITARY STALK SACRIFICE DOES NOT IMPROVE ONCOLOGICAL OUTCOMES IN ADULT CRANIOPHARYNGIOMA
Brock Gjesdal; Sharath Kumar Anand, MD; Robert Dambrino, MD; Anthony Tang; Akanksha Aggarwal, MD; Katherine Mastandrea, MD; Divya Sistla, MD; Pouneh Fazeli, MD; Garrett Choby, MD; Eric Wang, MD; Carl Snyderman, MD, MBA; Georgios Zenonos, MD; Paul Gardner, MD; UPMC

 

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(S038) CAVERNOUS SINUS SURGERY FOR CORTICOTROPH PITUITARY ADENOMAS: DISTINCTIVE GROWTH PATTERNS AND IMPACT ON CUSHING DISEASE REMISSION
Ana Sofia Alvarez, MD¹; Jonathan B Lamano, MD, PhD¹; Matei A Banu, MD¹; Ali Palejwala¹; Christine K Lee, MD, PhD²; Vladimir A Ljubimov, MD³; Karam P Asmaro, MD⁴; Vera Vigo, MD¹; Juan Carlos Fernandez-Miranda, MD¹; ¹Stanford University; ²Brown University; ³Cedars-Sinai Medical Center; ⁴Henry Ford Hospital

(S039) LINKING 7T MRI TO CORTICAL GENE EXPRESSION: A NOVEL PATH TOWARD IDENTIFYING MOLECULAR MECHANISMS UNDERLYING PITUITARY ADENOMA
Matt Jogodnik, BS; Alex Devarajan, BS; Mackenzie T Herb, PhD; Alan C Seifert, PhD; Bradley N Delman, MD, MS; Priti Balchandani, PhD; Joshua Bederson, MD; Raj Shrivastava, MD; Icahn School of Medicine at Mount Sinai

(S040) PERIOPERATIVE GLP-1 USE IMPROVES PITUITARY FUNCTION RECOVERY AFTER ENDOSCOPIC RESECTION
Maunil Mullick¹; Rahim Abo Kaseem¹; Philip B Ostrov¹; Arshi Kaur¹; Niraj Rama¹; Charles Froman-Glover¹; Isaac Abecassis¹; Noberto Andaluz²; Dale Ding¹; A Mistry¹; Brian Williams¹; ¹University of Louisville; ²University of Cincinnati

(S041) A MULTIMODAL SCORE-BASED PIPELINE FOR AUTOMATED PITUITARY SEGMENTATION IN MRI
Charbel Marche, MS¹; John Van Horn, PhD²; Michael Catalino³; ¹University of Virginia School of Medicine; ²University of Virginia School of Data Science; ³University of Virginia Department of Neurosurgery

(S042) RACIAL DIFFERENCES IN REMISSION AFTER TRANSSPHENOIDAL SURGERY FOR CUSHING'S DISEASE: A 10-YEAR INSTITUTIONAL ANALYSIS
Caleigh S Roach, BA¹; Vratko Himic, BM, BCh, BA¹; Richa Dahake, BS¹; Jacob J Shawwa, BA²; Connor S Nee, BS²; Kate E Stillman, JD¹; Victor M Lu, MD, PhD¹; Daniel Kreatsoulas, MD¹; Arman Jahangiri, MD, PhD¹; Carmen V Villabona, MD³; Zoukaa B Sargi, MD, MPH⁴; Ashish H Shah, MD¹; Ricardo J Komotar, MD¹; Michael E Ivan, MD¹; ¹University of Miami Miller School of Medicine Department of Neurosurgery; ²University of Miami Miller School of Medicine; ³University of Miami Miller School of Medicine Department of Endocrinology; ⁴University of Miami Miller School of Medicine Department of Otolaryngology, Head & Neck Surgery

(S043) FEASIBILITY OF DAY 1 POST-OPERATIVE DISCHARGE FOLLOWING ELECTIVE PITUITARY ADENOMA RESECTION - A 6 YEAR SINGLE INSTITUTION EXPERIENCE AND COMPARISON TO UK NATIONAL PITUITARY DATA OF 3,607 CASES.
Christopher Yusuf Akhunbay-Fudge; Eyad Darraj; Asim Sheikh; Nick Phillips; Atul Tyagi; Paul Nix; Leeds General Infirmary

(S044) A MULTICENTER SINGLE-BLINDED CONTROLLED TRIAL COMPARING NASAL OUTCOMES USING SALINE IRRIGATION AFTER ENDONASAL PITUITARY SURGERY-THE NOSE TRIAL
Anthony M Asher, MD¹; Troy D Woodard, MD²; Varun R Kshettry, MD²; James J Evans, MD³; Andrew S Little¹; Raj Sindwani²; Griffin D Santarelli¹; ¹Barrow Neurological Institute; ²Cleveland Clinic Foundation; ³Thomas Jefferson University Hospital

(S045) VISUAL FIELD RECOVERY PATTERNS FOLLOWING ENDOSCOPIC TRANSSPHENOIDAL SURGERY FOR PITUITARY MACROADENOMAS: A SINGLE-ARM META-ANALYSIS
Khushal Gupta, MBBS¹; Michael Karsy, MD, PhD, MSc, FAANS, FCNS²; ¹Bharat Ratna Late Shri Atal Bihari Vajpayee Memorial Medical College; ²University of Michigan Health

(S046) RECONSIDERING DIAGNOSTIC CUTOFFS FOR PROLACTIN IN PITUITARY ADENOMAS: IMPACT OF SEX, AGE, AND TUMOR SIZE
Maya Harary; Mishek Thapa; Stuart Harper; Ines Donangelo; Anthony Heaney; Won Kim; Marvin Bergsneider; UCLA

 

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(S047) COHORT ANALYSIS OF RADIATION-INDUCED MENINGIOMAS REVEALS SELECTIVE VULNERABILITY AND ANATOMICAL PREDILECTIONS
Gabrielle Luiselli, MD; Eduardo Maury, MD, PhD; Ruchit Patel; Varun Bhave; Samuel Emerson, MD, PhD; Erickson Torio, MD; Joseph Driver, MD; Scott Ryall, PhD; Azra Ligon, PhD; Rifaquat Rahman, MD; Elizabeth Claus, MD, PhD; David Meredith, MD, PhD; Sandro Santagata, MD, PhD; Wenya Linda Bi, MD, PhD; Mass General Brigham

(S048) NEUROBEHAVIORAL OUTCOMES AFTER STAGED PETROCLIVAL MENINGIOMA RESECTION: PREDICTORS AND RECOVERY TRAJECTORIES
Rommi Kashlan, BS; Hithardhi Duggireddy, MS; J. Manuel Revuelta-Barbero, MD, PHD; Thomas McCaffery, BS; Karen Salmeron-Moreno, MD; Karthik Papisetty, BA; Gustavo Pradilla, MD; Tomas Garzon-Muvdi, MD, MSc; Emory University

(S049) RNA SEQUENCING REVEALS RADIATION-ASSOCIATED REPROGRAMMING OF HYPOXIA PATHWAYS IN HIGH-GRADE MENINGIOMAS
Ishav Y Shukla, BS; Jeffrey I Traylor, MD; Hunter Flores, BS; Aaron Plitt, MD; Matthew Z Sun, MD; UT Southwestern Medical Center

(S050) PROGNOSTIC UTILITY OF MOLECULAR CLASSIFICATION IN SKULL BASE MENINGIOMAS TREATED WITH STEREOTACTIC RADIOSURGERY
Motoyuki Umekawa; Satoru Miyawaki; Yuki Shinya; Yudai Hirano; Hirotaka Hasegawa; Yu Sakai; Yu Teranishi; Shotaro Ogawa; Atsuto Katano; Daisuke Komura; Hiroto Katoh; Masako Ikemura; Hideaki Ono; Tetsuo Ushiku; Shumpei Ishikawa; Nobuhito Saito; The University of Tokyo

(S051) ESTABLISHING THE UTILITY OF DEEP LEARNING FOR H&E-BASED MENINGIOMA MOLECULAR CLASSIFICATION AND OUTCOME PREDICTION
Alex Landry¹; Farshad Nassiri¹; Leeor Yefet¹; H Lalchungnunga²; Eldad Shulman²; Justin Wang¹; Yosef Ellenbogen¹; Chloe Gui¹; Andrew Ajisebutu¹; Vikas Patil¹; Jeff Liu¹; Qingxia Wei¹; Olivia Singh¹; Julio Sosa¹; Sheila Mansouri¹; Shihao Ma¹; Bo Wang¹; Aditya Raghunathan³; Andrew Gao¹; Eytan Ruppin²; Kenneth Aldape²; Gelareh Zadeh³; ¹University of Toronto; ²National Cancer Institute; ³Mayo Clinic

(S052) MODERN MOLECULAR PROFILING RECONTEXTUALIZES THE NRG/RTOG 0539 TRIAL AND REVEALS HIDDEN HIGH-RISK AND RADIOTHERAPY RESISTANT MENINGIOMAS
Leo S Yefet¹; Alex Landry¹; Justin Wang¹; Jeff Liu²; Vikas Patil²; Chloe Gui¹; Andrew Ajisebutu¹; Yosef Ellenbogen¹; Stephanie Pugh³; Farshad Nassiri²; Kenneth Aldape⁴; Gelareh Zadeh⁵; ¹University of Toronto; ²University Health Network; ³NRG Oncology; ⁴National Cancer Institute; ⁵Mayo Clinic

(S054) INTEGRATED ANATOMIC AND MOLECULAR PREDICTORS OF RECURRENCE MENINGIOMAS
Patrick Bi¹; Ivan Brown¹; Kyle Montgomery¹; Wenxuan Xiong²; Kristyn Galbraith, MD³; Jacob Ruzevick, MD⁴; Samuel Emerson, MD, PhD⁴; ¹UW Medicine; ²UW Medicine Neurology & Neurosurgery; ³UW Medicine Neuropathology; ⁴UW Medicine Neurosurgery

(S055) PREDICTING MENINGIOMA GRADE FROM STIMULATED RAMAN HISTOLOGY WITH DEEP LEARNING
Richard Song; Osaama H Khan, MD, MSc, FRCSC, FAANS, FACS; Northwestern Medicine Department of Neurological Surgery

 

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(S056) ENDOSCOPIC SKULL BASE RECONSTRUCTION WITH PEDICLED PERICRANIAL FLAPS IN THE ABSENCE OF INTRANASAL OPTIONS: A RETROSPECTIVE COHORT STUDY
Esteban Ramirez Ferrer, MD; Juan P Zuluaga-Garcia, MD; Shirley Y Su, MBBS; Ehab Y Hanna, MD; Franco DeMonte, MD; Shaan M Raza, MD; The University of Texas MD Anderson Cancer Center

(S057) INCIDENCE OF CEREBROSPINAL FLUID LEAK FOLLOWING ENDOSCOPIC SURGERY FOR TUMORS OF THE VENTRAL SKULL BASE: SYSTEMATIC REVIEW AND META-ANALYSIS
Denise Sabac¹; Michael Xie¹; Michel Sourour²; Farshad Nassiri²; Eric Monteiro³; John de Almeida¹; ¹Department of Otolaryngology-Head and Neck Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada; ²Division of Neurosurgery, University Health Network, University of Toronto, Toronto, Ontario, Canada; ³Department of Otolaryngology-Head and Neck Surgery, Sinai Health Systems, University of Toronto, Toronto, Ontario, Canada

(S058) RETAINED FRONTAL ETHMOID CELLS CAUSING DELAYED INFECTIOUS COMPLICATIONS FOLLOWING COMPLEX FRONTAL SINUS SURGERY: A CASE SERIES HIGHLIGHTING MULTIDISCIPLINARY MANAGEMENT AND ANATOMIC PITFALLS
Russel T Wagner, BS¹; Amin B Kassam, MD²; Hannah L Walsh, BS²; Melanie B Fukui, MD²; Usman A Khan, MD, PhD²; Neil S Mundi, MD²; Stephen J Winkler, MD²; Emily Sitkowski, BS²; Cenorina Martinez, BS²; Sammy Khalili, MD²; ¹Edward Via College of Osteopathic Medicine; ²Intent Medical Group

(S059) CLINICAL OUTCOMES OF TEMPOROPARIETAL FASCIA FLAP USE IN COMPLEX ENDOSCOPIC ENDONASAL SKULL BASE
Collin Liu, MD; Vera Vigo, MD; Yuanzhi Xu, MD; Jonathan Lamano, MD; Jacquelyn Callander, MD; Lirit Levi, MD; Matei Banu, MD; Noel Ayoub, MD; Michael Chang, MD; Jayakar Nayak, MD; Zara Patel, MD; Peter Hwang, MD; Juan Fernandez-Miranda, MD; Stanford University

(S060) QUANTITATIVE INTRACRANIAL PRESSURE CHANGES IN ENDOSCOPIC SKULL BASE SURGERY
Benjamin F Bitner, MD¹; Alexander M Lopez, MD²; Alexander S Himstead²; Frank P Hsu, MD, PhD²; Edward C Kuan, MD, MBA³; ¹Thomas Jefferson University - Department of Otolaryngology - Head & Neck Surgery; ²University of California Irvine - Department of Neurological Surgery; ³University of California Irvine - Department of Otolaryngology - Head & Neck Surgery

(S061) DUAL VASCULARIZED FLAP RECONSTRUCTION IN ENDOSCOPIC SKULL BASE SURGERY FOR RADIORESISTANT TUMORS: OUTCOMES OF A MULTILAYERED VASCULARIZED STRATEGY
Esteban Ramirez Ferrer; Juan P Zuluaga-Garcia, MD; Shirley Y Su, MBBS; Ehab Y Hanna, MD; Franco DeMonte, MD; Shaan M Raza, MD; The University of Texas MD Anderson Cancer Center

(S062) CAN SKULL BASE RECONSTRUCTION AT THE CRIBRIFORM PLATE SUSTAIN CPAP USE
Glen D'Souza, MD¹; Abdel R Metwally, BS²; Humza Sheikh, BS²; Lucinda Chiu, MD³; Stephan Munich, MD³; Michael J Hutz, MD⁴; Peter Papagiannopoulos, MD⁴; Bobby Tajudeen, MD⁴; Pete Batra, MD⁴; Peter Filip, MD⁴; ¹Department of Otolaryngology - Head & Neck Surgery, Henry Ford Health, Detroit, MI; ²Rush Medical College, Rush University Medical Center, Chicago, IL 60612; ³Department of Neurosurgery, Rush University Medical Center, Chicago, IL 60612; ⁴Department of Otorhinolaryngology - Head and Neck Surgery, Rush University Medical Center, Chicago, IL 60612

(S063) OUTCOMES FOLLOWING SURGICAL REPAIR OF TEMPORAL BONE CEREBROSPINAL FLUID LEAKS WITHOUT THE USE OF LUMBAR DRAIN
Savannah Nicks, DO¹; Gabriele Noreikaite, DO¹; Bora Agabigum, MD²; Robert Conway, DO²; Masanari Kato, MD³; Seilesh Babu, MD²; ¹McLaren Health Care; ²Michigan Ear Institute; ³Northwell Health

 

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(V001) EXTRACRANIAL-INTRACRANIAL BYPASS WITH RADIAL ARTERY GRAFT FOR BASILAR ARTERY ISCHEMIA
Riccardo Serra, MD¹; Matthew Hentschel, BS¹; Tina Wang, MA¹; Tim Miller, MD²; Dheeraj Gandhi, MD, FACR³; Mohamed Labib, MD¹; ¹Department of Neurosurgery, University of Maryland School of Medicine; ²Department of Interventional Radiology, University of Maryland School of Medicine; ³Department of Diagnostic Radiology, University of Maryland School of Medicine

(V002) EXTREME LATERAL INFRACONDYLAR APPROACH FOR OCCIPITAL ARTERY TO VERTEBRAL ARTERY (V3) BYPASS FOR VERTEBROBASILAR INSUFFICIENCY
Ehsan Dowlati¹; Sabastian Hajtovic, MD²; Justin Turpin, MD²; Armin Mortazavi, MD³; Peter D Costantino, MD⁴; Amir R Dehdashti, MD²; ¹MedStar Georgetown University Hospital; ²North Shore University Hospital; ³University of Michigan; ⁴Weill Cornell School of Medicine

(V003) STA-M3, ECA-RAG-M3 AND M3-M3 BYPASS FOR TRAPPING OF PREVIOUSLY CLIPPED AND STENT ASSISTED COILED GIANT MCA ANEURYSM
Eva M Wu, MD; Mustafa Motiwala, MD; Adam S Arthur, MD; Nickalus R Khan, MD; University of Tennessee Health Science Center

(V004) INTRAOPERATIVE PICA RUPTURE REPAIRED WITH END-TO-END REANASTOMOSIS
Marco Schiariti; Luca Mattioli; Leonardo Maresca; Edoardo Maria Barbieri; Riccardo Ciocca; Erica Boccardi; Morgan Broggi; Francesco Restelli; Paolo Ferroli; Fondazione IRCCS Istituto Neurologico "Carlo Besta"

(V005) ECA-RA-P2?PCA BYPASS COMBINED WITH PROXIMAL ANEURYSM OCCLUSION FOR THE TREATMENT OF VBD: A CASE REPORT
Xiaoguang Tong; Minggang Shi; Yanguo Shang; Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin, China

(V006) MICROSURGICAL CLIP LIGATION OF GIANT OPHTHALMIC ICA ANEURYSM USING RETROGRADE SUCTION DECOMPRESSION AND DIRECT SUCTION DECOMPRESSION
Mustafa Motiwala, MD; Eva M Wu, MD; Sean Himel, MD; Clifford Yudkoff, MD; Earl D Jones, MD; Adam S Arthur, MD, MPH; Nickalus R Khan, MD; University of Tennessee Health Science Center

(V007) USE OF ADVANCED INTRAOPERATIVE NAVIGATION FOR PERCUTANEOUS TRANSORBITAL INFERIOR OPHTHALMIC VEIN ACCESS IN EMBOLIZATION OF A RESIDUAL TYPE D CAROTID-CAVERNOUS FISTULA
Osman Baig¹; Sarah J Snyder, BS²; Nathan S Yu¹; Luis O Tierradentro-Garcia, MD¹; Madhura Tamhankar, MD¹; Redi Rahmani, MD³; Linda Bagley, MD¹; Omar A Choudhri, MD¹; ¹University of Pennsylvania; ²Lewis Katz School of Medicine at Temple University; ³University of Louisville

(V008) HIGH-FLOW SAPHENOUS VEIN BYPASS FROM INTERNAL CAROTID ARTERY TO V3 VERTEBRAL ARTERY FOR THE TREATMENT OF A CONTRALATERAL DISSECTING VERTEBRAL ARTERY ANEURYSM AND CONCURRENT VERTEBRAL ARTERY STENOSIS : 2-DIMENSIONAL VIDEO
Varadaraya Shenoy; Tyler Lazaro; Basavaraj Ghodke; Laligam Sekhar; University of Washington

(V009) CAVERNOUS SINUS SOLITARY FIBROUS TUMOR RESECTION WITH EC-IC BYPASS VIA RADIAL ARTERY GRAFT
Ana Sofia Alvarez, MD; Peter Gooderham, MD; Ryojo Akagami, MD; University of British Columbia

 

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(S064) A MATCHED-COHORT ANALYSIS OF PREOPERATIVE HEARING IN NF2-ASSOCIATED AND SPORADIC VESTIBULAR SCHWANNOMAS
Stephanie M Younan, MPH, BS; Lourdes Kaufman, BA; Rithvik Ramesh, BA; Ruben Hernandez, BS; Nadeem Al-Adli, MD; Philip V Theodosopoulos, MD; Steven W Cheung, MD; Brian Na, MD, PhD; Ramin Morshed, MD; Nicole T Jiam, MD; UCSF

(S065) INTERNAL AUDITORY CANAL DRILL-OUT AS A PROGNOSTIC FACTOR FOR VESTIBULAR SCHWANNOMA RECURRENCE FOLLOWING SUBTOTAL RESECTION
Stephanie M Younan, MPH, BS; Lourdes Kaufman, BA; Rithvik Ramesh, BA; Ruben Hernandez, BS; Nadeem Al-Adli, MD; Philip V Theodosopoulos, MD; Steven W Cheung, MD; Ramin Morshed, MD; Nicole T Jiam, MD; UCSF

(S066) SURGICAL OUTCOMES OF TRANSLABYRINTHINE AND RETROSIGMOID APPROACHES FOR VESTIBULAR SCHWANNOMA ACROSS AGE GROUPS: A PROPENSITY-MATCHED ANALYSIS
Eeshan Khurana¹; Sean Kelleher²; Rui Feng, MD, MSc³; James J Evans, MD³; ¹Sidney Kimmel Medical College at Thomas Jefferson University; ²Lewis Katz School of Medicine at Temple University; ³Department of Neurosurgery, Thomas Jefferson University

(S067) DIFFERENTIAL DISRUPTION OF FUNCTIONAL NETWORKS IN PATIENTS WITH VESTIBULAR SCHWANNOMA
Vratko Himic, MD; Richa Dahake, BS; Alan Ho, BS; Roxanne Mayrand, BS; Jay Chandhar, MD; Aparna Govindan, MD; Olivia Kalmanson, MD; Amy Wang, MD; Dagoberto Estevez-Ordonez, MD, PhD; Christine Dinh, MD; Ashish Shah, MD; Ricardo Komotar, MD; Carolina Benjamin, MD; Michael E Ivan, MD, MBS; University of Miami

(S068) STABILITY OF HEARING FUNCTION AFTER MIDDLE FOSSA CRANIOTOMY FOR SPORADIC VESTIBULAR SCHWANNOMA
Maya Harary¹; Anna La Dine²; Sudhir Manickavel³; William Slattery³; Gregory P Lekovic¹; ¹UCLA; ²Campbell University; ³The House Institute

(S069) DEEP LEARNING BASED VOLUMETRIC MRI SEGMENTATION ALGORITHM FOR VESTIBULAR SCHWANNOMA MONITORING
Tanner J Zachem¹; Syed M Adil¹; Ethan Castellino¹; Luis Cruz Mondragon¹; Kristian Banovic¹; Ashley Lin¹; Jihad Abdelgadir²; Patrick J Codd¹; Ali Zomorodi¹; C. Rory Goodwin¹; Evan Calabrese¹; ¹Duke University; ²University of Utah

(S070) PREDICTORS OF FACIAL NERVE DYSFUNCTION IMPROVEMENT AND 6-MONTH OUTCOMES FOLLOWING RESECTION OF VESTIBULAR SCHWANNOMAS
Rithvik Ramesh, BA¹; Lourdes Kaufman, BA¹; Ruben Hernandez, BS¹; Stephanie Younan, BS, MPH¹; Nadeem Al-Adli, MD²; Philip V Theodosopoulos, MD¹; Steven W Cheung, MD¹; Nicole T Jiam, MD¹; Ramin A Morshed, MD¹; ¹University of California, San Francisco; ²University of North Carolina at Chapel Hill

(S071) CHARACTERIZATION AND PREDICTIVE FACTORS OF PERITUMORAL RADIOGRAPHIC CHANGES IN OPERATIVE VESTIBULAR SCHWANNOMAS: A COMPREHENSIVE MULTI-INSTITUTIONAL STUDY
Kaasinath Balagurunath, BA¹; Sabrina Heman-Ackah, MD, DPhil, Oxon, MSE¹; Rania A Mekary, PhD, MSc, MS²; C. Eduardo Corrales, MD³; Timothy Smith, MD, PhD, MPH³; ¹Brigham and Women's Hospital; ²School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University; ³Co-Senior Author, Brigham and Women's Hospital

(S072) PREDICTIVE VALUE OF INTRA-OPERATIVE NEUROMONITORING FOR HEARING PRESERVATION AFTER OPEN CRANIOTOMY VESTIBULAR SCHWANNOMA RESECTION: A SYSTEMIC REVIEW
Jun Ma; Mariam Ishaque; Nicklous Morrisette; Zachary Litvack; Akshal Patel; Miri Kim; Swedish Neuroscience Institute

 

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(V010) SINGLE-STAGE EXPANDED ENDONASAL RESECTION OF GIANT CRANIOPHARYNGIOMA
Muhammad Waqas¹; Lukasz Przepiorka¹; Jason M Davies¹; Ryan P McSpadden²; Matthew Kabalan³; ¹Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA; ²Department of Head & Neck/Plastic & Reconstructive Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA; ³Department of Otolaryngology, Jacobs School of Medicine & Biomedical Sciences at the University at Buffalo, Buffalo, NY, USA

(V011) SUPRA-ORBITAL CRANIOTOMY FOR RESECTION OF CRANIOPHARYNGIOMA WITH PRESERVATION OF THE PITUITARY STALK
Kaushik Ravipati, MD; Fareed Jumah, MD; Hunter Brooks; Michael Chicoine, MD; Dept. of Neurosurgery, University of Missouri

(V012) ENDOSCOPIC ENDONASAL RESECTION OF PURELY INTRAVENTRICULAR CRANIOPHARYNGIOMA
Muhammad Waqas¹; Lukasz Przepiorka¹; Jason M Davies¹; Ryan P McSpadden²; Matthew J Kabalan³; Hanna N Algattas¹; ¹Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA; ²Department of Head & Neck/Plastic & Reconstructive Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA; ³Department of Otolaryngology, Jacobs School of Medicine & Biomedical Sciences at the University at Buffalo, Buffalo, NY, USA

(V013) MANAGEMENT OF AN ACTH SECRETING PITUITARY ADENOMA CAUSING PERSISTENT CUSHING'S DISEASE: MANAGEMENT OF RESIDUAL CAVERNOUS SINUS INVASION
Jonathan B Lamano, MD, PhD; Erik Sosa, MD; Matei Banu, MD; Lirit Levi, MD; Peter Hwang, MD; Juan Carlos Fernandez-Miranda, MD; Stanford University

(V014) PRINCIPLES OF PSEUDO-CAPSULAR DISSECTION FOR ENDOSCOPIC ENDONASAL REMOVAL OF PITUITARY MACROADENOMA AND PRESERVING THE GLAND CONTINUITY
Mehdi Khaleghi, MD; Asa Barnett; Tessa Allen; Garrett Dyess; Ursula Hummel, PA; Jai D Thakur, MD; University of South Alabama Neurosurgery Department

(V015) ENDONASAL ENDOSCOPIC RESECTION OF A GIANT PEDIATRIC TUBEROINFUNDIBULAR CRANIOPHARYNGIOMA
Ana Sofia Alvarez, MD; Ali Palejwala, MD; Matei Banu, MD; Jayakar V Nayak, MD; Yuanzhi Xu, MD; Vera Vigo, MD, PhD; Laura Prolo, MD, PhD; Cormac Maher, MD; Juan Carlos Fernandez-MIranda; Stanford University

(V016) ENDOSCOPIC ENDONASAL APPROACH FOR RESECTION OF SUPRASELLAR EPIDERMOID WITH RETRO-CLIVAL EXTENSION
Asad M Lak, MD¹; David Baker III, MD²; Kenneth Byrd, MD²; Fernando Vale, MD²; Salman Ali, MD²; ¹University of Iowa; ²Medical College of Georgia at Augusta University

(V017) ENDOSCOPIC ENDONASAL TECHNIQUE FOR THICKENED MEDIAL CAVERNOUS SINUS WALL RESECTION IN ACROMEGALY
Byron Hontiveros, MD¹; Vera Vigo, MD¹; Yuanzhi Xu, MD¹; Maohua Ding, MD¹; Hongwei Yu, MD¹; Vladimir Ljubimov, MD¹; Matei Banu, MD¹; Axel Renteria, MD²; Jayakar Nayak, MD, PhD²; Juan C Fernandez-Miranda, MD¹; ¹Department of Neurosurgery, Stanford University; ²Department of Otolaryngology, Head and Neck Surgery, Stanford University

(V018) SURGICAL TECHNIQUE FOR RESECTION OF ADENOMA INVASION INTO POSTERIOR COMPARTMENT OF CAVERNOUS SINUS
Collin Liu; Eric B Sosa; Jonathan Lamano; Lirit Levi; Jacquelyn Callander; Matei Banu; Jayakar Nayak; Zara Patel; Noel Ayoub; Michael Chang; Peter Hwang; Juan Fernandez-Miranda; Stanford University

 

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(S073) ANATOMICAL VARIATIONS OF THE STYLOMASTOID ARTERY AND ACCESSORY FORAMINA: IMPLICATIONS FOR FACIAL NERVE PRESERVATION IN THE TRANSCOCHLEAR APPROACH
Collin Liu, MD¹; Vera Vigo, MD¹; Byron Hontiveros, MD¹; Yuanzhi Xu, MD¹; Vinay Jaikumar, MD²; Jason Davies, MD, PhD²; Alex Evins, MD, PhD³; Matei Benu, MD¹; Antonio Bernardo, MD³; Spiros Blackburn, MD⁴; Elad Levy, MD²; Adnan Siddiqui, MD, PhD²; Juan Fernandez-Miranda, MD¹; ¹Stanford University; ²University at Buffalo Neurosurgery; ³Weill Cornell Medicine; ⁴University of Texas Health Sciences Center Houston

(S074) STAGE I GREAT AURICULAR NERVE GRAFTING TO BRIDGE THE EXTRACRANIAL SEGMENT AND CISTERNAL SEGMENT OF THE FACIAL NERVE CAN EFFECTIVELY IMPROVE FACIAL PARALYSIS IN PATIENTS WITH FACIAL NERVE SCHWANNOMAS
Xuesong Liu; Jia Yang; The First Affiliated Hospital, Sun Yat-Sen University

(S075) RETROSIGMOID VERSUS TRANSLABYRINTHINE RESECTION OF VESTIBULAR SCHWANNOMAS: SURGICAL APPROACH AS A DETERMINANT OF OUTCOMES
Ufuk Erginoglu, MD; Umid Sulaimanov, MD; Yerkebulan Serikkanov, MD; Abdullah Keles, MD; Mustafa K Baskaya, MD; University of Wisconsin - Madison

(S076) INTERPRETABLE AI-DRIVEN IDENTIFICATION OF THE BLINK REFLEX R1 IN CEREBELLOPONTINE ANGLE SURGERY
Jihad Abdelgadir¹; Tanner J Zachem²; Syed M Adil²; Holly Johnson²; Kent K Yamamoto²; Aatif Husain²; Patrick J Codd²; Ali Zomorodi²; C. Rory Goodwin²; ¹University of Utah; ²Duke University

(S077) LOCALIZATION AND PERFORMANCE OF AUDITORY BRAINSTEM IMPLANTS BASED ON MRI MEASURES OF PADDLE PLACEMENT
Justin Cottrell¹; Matthew Breen²; Matthew Van Leeuwen²; William Shapiro²; Mahan Azadpour²; David Friedmann²; Daniel Jethanamest²; Sean McMenomey²; Donato Pacione²; John Golfinos²; Mari Hagiwara²; Gul Moonis²; J. Thomas Roland Jr.²; ¹Yale University; ²NYU

(S078) NEUTROPHIL-TO-LYMPHOCYTE RATIO AND FLAIR IMAGING BIOMARKERS IN VESTIBULAR SCHWANNOMA: A SINGLE-CENTER RETROSPECTIVE STUDY
Emma C Dunn, BS¹; Bryan Clampitt, BS¹; Jacob Parker, BS¹; Mohammed Hassan Nour El Dine, MD, MSc²; Emily Coughlin, MPH, CPH¹; Rahul Mhaskar, PhD³; Siviero Agazzi, MD, MBA²; Davide Croci, MD²; ¹University of South Florida Morsani College of Medicine; ²Department of Neurosurgery and Brain Repair, University of South Florida, Morsani College of Medicine, Tampa, Florida, USA; ³Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida, USA

(S079) PROGNOSTIC IMPACT AND CLINICAL PROFILE OF A LARGE COHORT OF HIGH-RIDING JUGULAR BULBS IN VESTIBULAR SCHWANNOMA SURGERY: A MULTI-INSTITUTIONAL ANALYSIS OVER THREE DECADES
Kaasinath Balagurunath, BA¹; Sabrina Heman-Ackah, MD, DPhil, Oxon, MSE¹; Rania A Mekary, PhD, MSc, MS²; C. Eduardo Corrales, MD³; Timothy Smith, MD, PhD, MPH³; ¹Brigham and Women's Hospital; ²School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University; ³Co-Senior Author, Brigham and Women's Hospital

(S080) SINGLE-ARM META-ANALYSIS OF COMBINED MEDICAL-SURGICAL MANAGEMENT OUTCOMES IN LATERAL SKULL BASE OSTEOMYELITIS
Khushal Gupta, MBBS¹; Michael Karsy, MD, PhD, MSc, FAANS, FCNS²; ¹Bharat Ratna Late Shri Atal Bihari Vajpayee Memorial Medical College; ²University of Michigan Health

(S081) SURGICAL MATERIAL SELECTION TO MINIMIZE REVISION RATES IN SUPERIOR SEMICIRCULAR CANAL DEHISCENCE REPAIR: INSIGHTS FROM THE LARGEST DATABASE
Simon Han; Mahlet Mekonnen; Laila Khorasani; Quinton Gopen; Isaac Yang; David Geffen School of Medicine at UCLA

 

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(S082) PREOPERATIVE FLAIR RADIOMICS PREDICT CRANIOPHARYNGIOMA HISTOLOGIC SUBTYPE
Briana A Santo, PhD; Omar Selim, BS; Mazin Elshareif, BS; Austin Carmichael, BS; Taha Khalilullah, BS; Yves Greatti, MS; Ritvik Pulya, BS; Calixto-Hope Lucas, MD; Connor Liu, MD; A. Karim Ahmed, MD; Debraj Mukherjee, MD; Johns Hopkins University School of Medicine

(S083) LONG-TERM OUTCOMES AND PREDICTORS OF RECURRENCE IN A VERY LARGE COHORT OF RATHKE'S CLEFT CYSTS RECEIVING TRANSSPHENOIDAL SURGERY
Kaasinath Balagurunath, BA¹; Sabrina Heman-Ackah, MD, DPhil, Oxon, MSE¹; Christopher S Hong, MD¹; Ryan Chrenek, MD¹; Erika Yamazawa, MD, PhD¹; Daniela Berner, BS¹; David Meredith, MD, PhD¹; C. Eduardo Corrales, MD¹; Rania A Mekary, PhD, MSc, MS²; Timothy Smith, MD, PhD, MPH¹; ¹Brigham and Women's Hospital; ²School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University

(S084) CHARACTERIZATION OF LONG-TERM ENDOCRINE MORBIDITY FOLLOWING ENDOSCOPIC ENDONASAL RESECTION OF RATHKE'S CLEFT CYSTS IN THE LARGEST LARGE SINGLE-INSTITUTIONAL COHORT
Kaasinath Balagurunath, BA¹; Sabrina Heman-Ackah, MD, DPhil, Oxon, MSE¹; Christopher S Hong, MD¹; Ryan Chrenek, MD¹; Erika Yamazawa, MD, PhD¹; Daniela Berner, BS¹; David Meredith, MD, PhD¹; C. Eduardo Corrales, MD¹; Rania A Mekary, PhD, MSc, MS²; Timothy R Smith, MD, PhD, MPH¹; ¹Brigham and Women's Hospital; ²School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University

(S085) TOPOGRAPHY OF HYPOTHALAMIC FIBER TRACTS: IMPLICATIONS FOR NEUROPSYCHIATRIC AND BEHAVIORAL CORRELATES IN CRANIOPHARYNGIOMA
Yuanzhi Xu, MD; Vera Vigo, MD; Ana Sofia Alvarez, MD; Jonathan Lamano, MD; Shilei Ni, MD; Yuhei Sangatsuda, MD; Byron Hontiveros, MD; Matei Banu, MD; Juan Fernandez-Miranda, MD; Department of Neurosurgery, Stanford Hospital, Stanford, California

(S086) RADIOGRAPHIC PREVALENCE AND ANATOMICAL VARIATIONS OF THE MEDIAL CLINOID PROCESS: IMPLICATIONS FOR ENDOSCOPIC ENDONASAL SKULL BASE SURGERY.
Santiago Nunez-Velasco, MD; Andrea P Ramos-Mora, MD; Gabriel Gomez-Zamora, MD; Estefania Ramirez-Medina, MD; Arturo Navarro-Gómez, MD; Jose J Jauregui-Gamboa, MD; Department of Neurosurgery Hospital Civil de Guadalajara

(S087) THE SUPRAOPTIC RECESS AS A LANDMARK IN ENDOSCOPIC ENDONASAL SURGERY TO THE DORSAL OPTIC CANAL: AN ANATOMICAL, RADIOLOGICAL, AND SURGICAL STUDY
Yuanzhi Xu, MD; Jonathan Lamano, MD; Erik Burgos-Sosa, MD; Hongwei Yu, MD; Collin Liu, MD; Tatsuya Uchida, MD; Vera Vigo, MD; Juan Fernandez-Miranda, MD; Department of Neurosurgery, Stanford Hospital, Stanford, California

(S088) PITUITARY APOPLEXY IN ACROMEGALY: UNDERSTANDING SPONTANEOUS REMISSION, RELAPSE, AND MANAGEMENT
S Macon¹; M Wierzbicki¹; C Christman¹; Z Hasana²; R Murayi, MD³; R Feng, MD, MS³; J J Evans, MD³; ¹Sidney Kimmel Medical College, Thomas Jefferson University; ²Philadelphia College of Osteopathic Medicine; ³Department of Neurosurgery, Thomas Jefferson University

(S089) THE SELLAR HINGE: A NOVEL SELLAR RECONSTRUCTION TECHNIQUE FOLLOWING ENDOSCOPIC PITUITARY SURGERY.
Misael Salazar-Alejo¹; Astrid Nieto-Gutiérrez¹; Rodolfo Villalobos-Díaz²; Luis E Perez-Martinez, MD¹; Mario Benvenutti-Regato, MD¹; Jose A Figueroa-Sanchez, MD¹; Marcos V Sangrador-Deitos¹; ¹Department of Neurological Surgery, Centro Médico Zambrano-Hellion, TecSalud, San Pedro Garza García, Mexico; ²Department of Neurological Surgery, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City, Mexico

(S090) IMPACT OF INTRAOPERATIVE ULTRASONOGRAPHY IN ENDOSCOPIC ENDONASAL RESECTION OF SELLAR AND SUPRASELLAR PATHOLOGIES.
Chandrima Biswas, MD¹; Ludovica Pasquini, MD²; Moataz Abouammo, MD³; Rodrigo Gehrke, MD³; Ricardo L Carrau, MD³; Daniel M Prevedello³; ¹All India Institute of Medical Sciences, Deoghar; ²Fondazione IRCCS Instituto Neurologico Carlo Besta; ³The Ohio State University and Wexner Medical Centre

 

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(S091) THE EMERGING ROLE OF ENDOSCOPIC ENDONASAL TRANSCAVERNOUS SURGERY IN THE MANAGEMENT OF NON-FUNCTIONING PITUITARY ADENOMAS WITH CAVERNOUS SINUS INVASION
Taishi Nakase, MS; Felipe Constanzo, MD; Vera Vigo, MD; Juan C Fernandez-Miranda, MD; Stanford University

(S092) PSEUDOCAPSULE DISSECTION TECHNIQUE AND OUTCOMES IN GH-SECRETING PITNETS
Georgios A Maragkos, MD¹; Jared Chung¹; Gregory Hong, MD¹; Michael Catalino, MD¹; John Jane Jr., MD²; ¹University of Virginia; ²Department of Neurosurgery, Carilion Clinic

(S093) POSTOPERATIVE BODY MASS INDEX CHANGE FOLLOWING CURATIVE TRANSSPHENOIDAL SURGERY IN CUSHING'S DISEASE
Jared Chung, BS¹; Kathryn Chung, BA¹; Georgios Maragkos, MD²; Gregory Hong, MD³; Erica Giraldi, MD³; Michael Catalino, MD²; John Jane Jr, MD⁴; ¹University of Virginia School of Medicine; ²University of Virginia Department of Neurosurgery; ³University of Virginia Department of Endocrinology; ⁴Carilion Clinic Department of Neurosurgery

(S094) PHENOTYPIC AND VOLUMETRIC PREDICTORS OF SURGERY IN OBSERVED NONFUNCTIONING PITUITARY ADENOMAS: A COMPARATIVE ANALYSIS OF MICROADENOMAS AND MACROADENOMAS
Aarav Badani; Zain Peeran; Tej Tummala; Edward Fisher; Elaina Wang; Jacob Young; Robert C Osorio; Manish K Aghi; Department of Neurological Surgery, University of California San Francisco, San Francisco, California, United States

(S095) RE-EVALUATING THE ROLE OF INTRAOPERATIVE CORTICOSTEROID ADMINISTRATION IN PITUITARY ADENOMA RESECTION
Danielle D Dang, MD, MA¹; Andrew D Gong, MD²; Caren Stuebe, MD, MS²; Emilia Floody, MD²; Maya Parker, BS³; Callum Dewar, MD⁴; Purush Ramanathan, MD²; Mateo Ziu, MD, MBA²; ¹Mayo Clinic Rochester; ²Inova Fairfax Medical Campus; ³University of Virginia School of Medicine; ⁴Walter Reed National Military Medical Center

(S096) A META-ANALYSIS OF ACCURACY AND CLINICAL IMPLICATIONS OF ARTIFICIAL INTELLIGENCE MODELLING IN PREDICTING REMISSION RATES AFTER ENDONASAL TRANSSPHENOIDAL SURGERY FOR CUSHING DISEASE
Mehdi Khaleghi, MD; Garrett Dyess; Asa Record; Andrew Romeo, MD; Jai D Thakur, MD; University of South Alabama

(S097) INCIDENCE AND PREDICTORS OF COMPLICATIONS, READMISSION, AND REOPERATION FOLLOWING ENDOSCOPIC TRANSSPHENOIDAL SURGERY FOR PITUITARY ADENOMAS
John Pham, BS, BA; David J Cote, MD, PhD; Keiko M Kang, MD; Angad S Gogia, MD; David Gomez, BS; Ishan Shah, BS; Sindhu Daggupati, BS; Kevin G Liu, BS; Benjamin B Fixman, BS; Jonathan Sisti, MD; Robert G Briggs, MD; John Carmichael, MD; Gabriel Zada, MD, MS; University of Southern California

(S098) POSTOPERATIVE VASOSPASM AFTER ENDOSCOPIC ENDONASAL PITUITARY ADENOMA RESECTION: AN UNDERRECOGNIZED PHENOMENON
Danielle Golub, MD, MSCI¹; Daniele Starnoni, MD¹; Miriam M Shao, MD¹; Shayan Huda, BS²; Mark B Chaskes, MD³; Margherita Bruni, MD³; Judd H Fastenberg, MD³; Timothy G White, MD¹; Thomas W Link, MD, MS¹; Mark B Eisenberg, MD¹; Amir R Dehdashti, MD¹; ¹Department of Neurosurgery, Northwell Health, Manhasset, New York, USA; ²CUNY School of Medicine, New York, NY, USA; ³Department of Otolaryngology-Head and Neck Surgery, Northwell Health, Manhasset, NY, USA

(S099) CSF RHINORRHEA AFTER ENDOSCOPIC TRANS-SPHENOIDAL SURGERY (ETSS): REPAIR TECHNIQUE, MANAGEMENT PROTOCOL, AND LESSONS LEARNED
Rajesh Chhabra, Professor; Apinderpreet Singh, Dr; Ramandeep S Virk, Professor; Pinaki Dutta, Professor; PGIMER

 

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(S100) PARALLEL POSTAURICULAR INCISIONS: WOUND OUTCOMES OF TRANSMASTOID REPAIR FOR CSF LEAK AFTER RETROSIGMOID VESTIBULAR SCHWANNOMA RESECTION
Derrick Obiri - Yeboah; John P Marinelli; Alex Pais; Danielle D Dang; Christine Lohse; Jim R Dornhoffer; Colin Driscoll; Matthew L Carlson; Maria Peris Celda; Michael J Link; Brian Neff; Jamie Van Gompel; Mayo Clinic

(S101) DEFINING CT-BASED ANATOMICAL PARAMETERS FOR FREE FLAP RECONSTRUCTION OF THE CLIVUS VIA TRANSMAXILLARY INSET
Isabella Goncalves, BS; Corinne Rabbin-Birnbaum, BA; Jackie Yang, MD; Julia Canick, MD; Lindsey Moses, MD; Donato Pacione, MD; Chandranath Sen, MD; Paul Gardner, MD; Carlos Pinheiro Neto, MD, PhD; NYU Langone Health

(S102) PREDICTORS OF MICROVASCULAR DECOMPRESSION STRATIFIED BY ARTERIAL, VENOUS, AND MIXED NEUROVASCULAR CONFLICTS
Dongwon Lee, BS; Adway Gopakumar, BS; Shovan Bhatia, BS; William McKay, MS; Poliana Hartung Toppa, BS; Ajay Pathakamuri, BS; Paul Gardner, MD; Georgios A Zenonos, MD; University of Pittsburgh Medical Center

(S105) TRANSORAL ENDOSCOPIC ANATOMY OF THE PARAPHARYNGEAL INTERNAL CAROTID ARTERY: A CADAVERIC STUDY WITH NOVEL MODULAR CLASSIFICATION
Gianluca L Fabozzi¹; Rakhmon Egamberdiev¹; Thibault Passeri¹; Maria Karampouga¹; Longgang Yu¹; Eric W Wang²; Garret Choby²; Georgios A Zenonos¹; Paul A Gardner¹; Carl H Snyderman²; ¹Department of Neurological Surgery, University of Pittsburgh Medical School (UPMC), Pittsburgh, Pennsylvania; ²Department of Otolaryngology, University of Pittsburgh Medical School (UPMC), Pittsburgh, Pennsylvania

(S104) IMPACT OF A COMPREHENSIVE MULTI-MODAL PERIOPERATIVE PROTOCOL AFTER MICROVASCULAR DECOMPRESSION
Nikita Gonugunta, BS¹; Kate Easley, PAC²; Pranay Soni, MD²; Pablo F Recinos, MD²; Varun R Kshettry, MD²; ¹Case Western Reserve University School of Medicine; ²Rosa Ella Burkhardt Brain Tumor & Neuro-Oncology Center, Neurologic Institute, Cleveland Clinic

(S103) MORPHOMETRIC MAPPING OF THE PARAPHARYNGEAL INTERNAL CAROTID ARTERY VIA A TRANSORAL ENDOSCOPIC CORRIDOR: A CADAVERIC STUDY BASED ON A NOVEL PROPOSED MODULAR CLASSIFICATION
Gianluca L Fabozzi¹; Rakhmon Egamberdiev¹; Thibault Passeri¹; Longgang Yu¹; Maria Karampouga¹; Eric W Wang²; Garret Choby²; Georgios A Zenonos¹; Paul A Gardner¹; Carl H Snyderman²; ¹Department of Neurological Surgery, University of Pittsburgh Medical School (UPMC), Pittsburgh, Pennsylvania; ²Department of Otolaryngology, University of Pittsburgh Medical School (UPMC), Pittsburgh, Pennsylvania

(S106) HYPERTENSION AND DIABETES ARE SIGNIFICANTLY ASSOCIATED WITH INCREASED RISK OF PAIN RECURRENCE FOLLOWING MICROVASCULAR DECOMPRESSION SURGERY FOR SINGLE-VESSEL COMPRESSION OF THE TRIGEMINAL NERVE
Ajay Pathakamuri, BS; Adway Gopakumar, BS; Shovan Bhatia, BS; Dongwon Lee, BS; Poliana Hartung Toppa, BS; William McKay, BS; Paul A Garder, MD; Georgios A Zenonos, MD; Department of Neurological Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA

(V019) REPAIR OF ENCEPHALOCELE WITH PERSISTENT CRANIOPHARYNGEAL CANAL DEFECT
Luis Fernandez, MD; Chase Kahn; Pranay Soni, MD; Raj Sindwani, MD; Varun Kshettry; Pablo Recinos, MD; Cleveland Clinic

(V020) MULTIDISCIPLINARY MANAGEMENT OF ICA INJURY IN ENDOSCOPIC ENDONASAL SURGERY
Akshaya Raman; Ali A Alattar, MD; Paul A Gardner, MD; Carl H Snyderman, MD; University of Pittsburgh Medical Center

 

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(S107) IN VIVO EFFECTS OF CHRONIC INHALATIONAL EXPOSURE TO ULTRAFINE PARTICULATE MATTER ON SINONASAL EPITHELIA IN A MURINE MODEL
Jivianne T Lee, MD¹; Saroj Basak, PhD²; Eri Srivatsan, PhD²; Sydney Lam, BS¹; Thomas Issa, BS¹; Rajat Gupta, BS¹; Jesus Araujo, MD, PhD¹; ¹UCLA; ²Greater Los Angeles VA Healthcare System

(S108) METABOLOMIC PROFILING OF MENINGIOMAS REVEALS TUMOR-SPECIFIC FEATURES BUT DOES NOT DISTINGUISH MENINGIOMA SUBTYPES
Mark C Dougherty, MD¹; Hashim S Syed, MD²; Linjing Xu³; Eric B Taylor, PhD³; Marlan R Hansen, MD³; ¹Johns Hopkins University School of Medicine; ²Mayo Clinic Florida; ³University of Iowa

(S109) TRANSCRIPTOME WIDE ASSOCIATION AND SINGLE-CELL RNASEQ ANALYSIS IDENTIFIES 7 NOVEL GENES IN VESTIBULAR SCHWANNOMA TUMORS
Robert J Dambrino, MD, MPH¹; Candace Grisham²; Ruiqu Zhou³; Frederic A Vallejo, MD, MS⁴; Phillip Lin⁵; Reid C Thompson, MD⁴; Peter J Morone, MD, MSCI⁴; Taha Jan, MD³; Eric R Gamazon, PhD⁵; ¹University of Pittsburgh Medical Center, Department of Neurological Surgery; ²Vanderbilt University School of Medicine; ³Vanderbilt University Medical Center, Department of Otolaryngology - Head and Neck Surgery; ⁴Vanderbilt University Medical Center, Department of Neurological Surgery; ⁵Vanderbilt University Medical Center, Division of Genetic Medicine

(S110) SINGLE-CELL TRANSCRIPTOME PROFILING REVEALS CELLULAR PROGRAMS ASSOCIATED WITH GROWTH AND CLINICAL BEHAVIOR IN NONFUNCTIONING PITUITARY NEUROENDOCRINE TUMORS
Jack P Rock, MD¹; Grayson Hergott, MPH¹; Kristyn Quenneville, MS¹; Simona Cazacu, MD²; Nathalia Morosini, PhD³; Abeer Tabbarah, MD⁴; John Craig, MD⁵; Lisa Scarpace, MS¹; Houtan Noushmehr, PhD¹; Ana Valeria Castro, MD, PhD¹; ¹Department of Neurosurgery, Henry Ford Hospital; ²Department of Neurology, Henry Ford Hospital; ³St. Jude Children's Research Hospital; ⁴Department of Pathology, Henry Ford Hospital; ⁵Department of Otolaryngology, Henry Ford Hospital

(S111) GLUCAGON-LIKE PEPTIDE-1 RECEPTOR AGONIST USE AND SURVIVAL OUTCOMES IN SKULL BASE AND HEAD AND NECK TUMORS
Emma J Anisman, BA; Abdulghafoor Alani, BS; Sohan Shah, BS; Preston Carey, BS; Sarah Harrington, BA; Benjamin F Bitner, MD; Elina Toskala; Marc Rosen, MD; Mindy Rabinowitz, MD; James Evans, MD; Gurston Nyquist, MD; Thomas Jefferson University

(S112) OPTIMIZING ARTIFICIAL INTELLIGENCE - SEGMENTATION OF SINONASAL MASSES IN ENDOSCOPIC IMAGES THROUGH AUGMENTATION OF META'S SEGMENT ANYTHING MODEL
Kenan Ye; Lirit Levi; Mahdokht Manavi; Maxime Fieux; Axel Renteria; Jayakar Nayak; Zara M. Patel; Noel F. Ayoub; Peter H. Hwang; Michael T. Chang; Stanford

(S113) BASIC MOLECULAR AND GENETIC PATHWAYS UNDERLYING INTRACRANIAL ANEURYSM FORMATION AND RUPTURE IN THE ERA OF MOLECULAR AND TARGETED THERAPIES, A 10-YEAR REVIEW.
Denise Baloi¹; Henry Freeman²; Moneebah Ashraf³; Michael Karsy, MD⁴; Brandon Lucke-Wold, MD, PhD⁵; Mehrdad Pahlevani, MD⁶; ¹Michigan State University College of Human Medicine; ²Michigan State University College of Osteopathic Medicine; ³Central Michigan University College of Medicine; ⁴Department of Neurosurgery, University of Michigan; ⁵Department of Neurosurgery, University of Florida; ⁶Department of Neurosurgery, Jamaica Hospital Medical Center

(S114) METHYLATION AND PROTEOMIC SIGNATURES OF RADIOSENSITIVITY IN CHORDOMA
Andrew Ajisebutu¹; Chloe Gui¹; Jeff Zuccato¹; Gelareh Zadeh²; ¹University of Toronto; ²Mayo Clinic

(S116) THERMAL DYNAMICS OF ENDOSCOPIC ENDONASAL OPTIC CANAL DECOMPRESSION: CADAVERIC STUDY WITH INTRANEURAL MICROPROBE MONITORING
Guilherme Gago, MD¹; Yousef Odeibat, MD¹; Martin Côté, MD¹; Joel Lavinsky, MD, PhD²; Pierre-Olivier Champagne, MD, PhD¹; ¹Université Laval; ²Universidade Federal do Rio Grande do Sul

 

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(S117) ADVANCING EVIDENCE QUALITY AND REPRODUCIBILITY IN ENDOSCOPIC TRANSORBITAL APPROACH IN NEUROSURGERY RESEARCH: A SYSTEMATIC REVIEW AND REPORTING GUIDELINE FOR ENHANCED COMPARABILITY
Rudolfh Batista Arend¹; Bruno Zilli Peroni, MS¹; Daniel Marchi Kieling, MS¹; Pedro Henrique Ieggli, MS¹; Victor Luiz Ferreira Kauer, MS¹; Henrique Padilha Gnoatto, MS¹; Daniel Felipe Savaris, MS¹; Filipe Virgilio Ribeiro, MS²; Raphael Bertani, MD³; Alex Roman, MsC, MD⁴; Martin Batista Coutinho da Silva, MD⁵; Pierre-Olivier Champagne, MD⁶; Guilherme Gago, MD⁵; ¹Federal University of Fronteira Sul, Passo Fundo, RS, Brazil; ²Barão de Mauá Faculty of Medicine, Ribeirão Preto, SP, Braz; ³Hospital Israelita Albert Einstein, SP, Brazil; ⁴Institute of Neurosurgery and Spine Surgery (INCC), Passo Fundo, RS, Brazil; ⁵University of Passo Fundo, Passo Fundo, Brazil; ⁶Université Laval, Quebec, Canada

(S118) AUTONOMIC NERVE FIBER COMPOSITIONS OF LACRIMAL AND ZYGOMATICOTEMPORAL NERVES: A CADAVERIC IMMUNOHISTOCHEMICAL ANALYSIS
Hangil Lee, MD¹; Bushra Rhaman, MD²; Kelly Shaftel, MD¹; Hassan Fadel, MD¹; Jacob Pawloski, MD¹; Jack Rock, MD¹; John Craig, MD³; ¹Department of Neurosurgery, Henry Ford Hospital; ²Department of Ophthalmology, Henry Ford Hospital; ³Department of Otolaryngology, Henry Ford Hospital

(S119) COMBINED ENDOSCOPIC AND MINIMALLY OPEN TECHNIQUE FOR TOTAL RESECTION OF THE LACRIMAL APPARATUS FOR MALIGNANT AND BENIGN TUMORS OF THE LACRIMAL SYSTEM
Nicholas K Fung, MD¹; John P Thompson, MD²; Ted H Wojno, MD²; John M DelGaudio, MD¹; ¹Division of Rhinology and Skull Base Surgery, Department of Otolaryngology-Head and Neck Surgery, Emory University; ²Division of Oculoplastic Surgery, Department of Ophthalmology, Emory University

(S120) ENDOSCOPIC TRANSORBITAL APPROACH FOR SKULL BASE TUMORS: EARLY CLINICAL EXPERIENCE AT A TERTIARY NEUROSURGICAL CENTER IN MEXICO CITY
Andrea Garcia-Bitar, MD; Paola M Quiñones-Nájera, MD; Luis A Rodríguez-Hernández, MD; Rodolfo Villalobos-Díaz, MD; Edgardo J Mateo-Nouel, MD; Alejandra A Mendoza-Sandoval, MD; Gerardo Y Guinto-Nishimura, MD; Juan L Gómez-Amador, MD; Instituto Nacional de Neurología y Neurocirugía "Manuel Velasco Suárez"

(S121) CROSSING PATHWAYS: SURGICAL ANATOMY OF THE FOURTH NERVE FROM THE CAVERNOUS SINUS TO THE ORBIT
Luciano Leonel, PhD; Florian Moser, MD; Rosaria Abbritti, MD; Alexander Yohan, MD; Sandhya Palit, MD; Maria Peris-Celda, MD, PhD; Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA

(S122) INTEGRATING MOLECULAR IMAGING INTO THE DESIGN OF CUSTOM CRANIO-ORBITAL IMPLANTS FOR SKULL BASE RECONSTRUCTION
Joshua M Tennyson, BS¹; Rishi Jain, BA¹; Rushmin Khazanchi, BA¹; Khizar R Nandoliya, BA¹; Zhishuo Wei, MD¹; Preeti J Thyparampil, MD²; Michael G DeCuypere, MD, PhD¹; Stephen T Magill, MD, PhD¹; ¹Department of Neurological Surgery, Northwestern University Feinberg School of Medicine; ²Department of Ophthalmology, Northwestern University Feinberg School of Medicine

(S123) TRANSFRONTAL SINUS APPROACH USING A "GULL WING" SKIN INCISION AND ASSISTED WITH SYNCHRONIZED AUGMENTED REALITY PLATFORM: A CASE SERIES
Franco Rubino, MD¹; Peter Harris, MD²; Randolph Wojcik, MD³; Walter C Jean, MD⁴; ¹Baptist Health Medical Center; ²George Washington University; ³Lehigh Valley Health Network; ⁴University Of South Florida

(S124) SURGICAL ANATOMY OF INTERFASCIAL DISSECTION FOR SAFE EXPOSURE OF THE ZYGOMATIC ARCH
Serdar Rahmanov, MD; Abdulrahman Albakr, MD; Mohammadmahdi Sabahi, MD; Hamid Borghei-Razavi, MD; Badih Adada, MD; Cleveland Clinic Florida

(S125) LAYERED TENSOR FASCIA LATA-DURAGEN PLUS RECONSTRUCTION OF SKULL BASE DEFECTS AFTER INTRA-OPERATIVE CSF LEAK: TECHNIQUE AND OUTCOMES COMPARED TO FAT-BASED REPAIR
Rory J Lubner, MD¹; Victor Arechiga, BS¹; Maya Harary, MD¹; Matthew Sun, MD²; Michelle Miller, MD³; Jivianne Lee, MD¹; Marvin Bergsneider, MD¹; Marilene Wang, MD¹; Won Kim, MD¹; ¹University of California, Los Angeles; ²UT Southwestern; ³Tulane University Medical Center

 

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(S126) PREDICTORS OF THIRTY-DAY POST-OPERATIVE SURGICAL COMPLICATIONS IN VESTIBULAR SCHWANNOMA PATIENTS.
Lourdes Kaufman¹; Rithvik Ramesh, BA¹; Stephanie Younan, BS, MPH¹; Ruben Hernandez, BS¹; Nadeem Al-Adli, MD²; Steven W Cheung, MD¹; Philip V Theodosopoulos, MD¹; Ramin Morshed, MD¹; Nicole T Jiam, MD¹; ¹University of California, San Francisco; ²University of North Carolina at Chapel Hill

(S127) DOES PREOPERATIVE FRAILTY PREDICT EARLY OUTCOMES IN VESTIBULAR SCHWANNOMA?
Bryan Clampitt, BS¹; Eric M Cohen, BS¹; Jacob Parker, BS¹; Roger Rochart, MD¹; Joshua Ignatius, BS¹; Molly Monsour, MD¹; Mohammad Hassan A Noureldine, MD, MSc²; Heather Grimaudo, MD²; Siviero Agazzi, MD, MBA²; ¹University of South Florida Morsani College of Medicine; ²Department of Neurosurgery and Brain Repair, University of South Florida Morsani College of Medicine

(S128) COMPARATIVE ANALYSIS OF FSRT AND SRS FOR VESTIBULAR SCHWANNOMA USING A LARGE MULTI-INSTITUTIONAL DATASET
Ian Argento¹; Daniel Uralov, Dr²; Jacob Beiriger, Dr¹; Anika Walia²; Kalena Liu²; Wenyin Shi, Dr²; Jacob Hunter, Dr²; ¹Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA; ²Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, USA

(S129) PROGNOSTIC UTILITY OF THE BLINK REFLEX FOR FACIAL NERVE PRESERVATION IN VESTIBULAR SCHWANNOMA SURGERY: INSIGHTS FROM A FOUR-YEAR REVIEW
Jihad Abdelgadir; Tanner J Zachem; Syed M Adil; Alexandra Hunter; Emanuel Ray; Adedotun Bello; Seeley Yoo; Ellen O’Callaghan; Aden Haskell-Mendoza; Kerri-Anne Crowell; Aatif M Husain; Calhoun D Cunningham III; Patrick J Codd; Ali Zomorodi; C. Rory Goodwin; Duke University

(S130) ELECTRICALLY EVOKED AUDITORY BRAINSTEM RESPONSE AS A PREDICTOR OF LONG-TERM HEARING OUTCOMES FOLLOWING TRANSLABYRINTHINE VESTIBULAR SCHWANNOMA RESECTION WITH COCHLEAR IMPLANTATION
Claire E Perrin, BS¹; Alena M Pauley, MS¹; Benjamin T Ostrander, MD, MSE²; Jonathan Dilgen, PhD, CNIM³; Peter R Dixon, MD⁴; Marc S Schwartz, MD⁵; Rick A Friedman, MD, PhD⁶; Douglas M Bennion, MD, PhD⁷; ¹University of California, San Diego School of Medicine, La Jolla, California, United States; ²Department of Otolaryngology - Head and Neck Surgery, University of Minnesota, Minneapolis, Minnesota, United States; ³University of California, San Diego Health, La Jolla, California, United States; ⁴Department of Otolaryngology - Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, United States; ⁵Department of Neurosurgery, University of California, San Diego, La Jolla, California, United States; ⁶Department of Otolaryngology - Head and Neck Surgery, Department of Surgery, University of California, San Diego, La Jolla, California, United States; ⁷Department of Otolaryngology - Head and Neck Surgery, University of Iowa, Iowa City, Iowa, United States

(S131) RADIOGRAPHIC PREDICTORS OF SERVICEABLE HEARING PRESERVATION IN VESTIBULAR SCHWANNOMAS
Reinier Alvarez¹; Briana Hines²; John Butterfield¹; Chiagoziem Anigbogu³; Gavin Hoffman³; Arbaz Momin⁴; Aria Mahtabfar¹; Olivia Kalmanson⁵; Omaditya Khanna⁶; Stephen Cass⁷; Ashley Nassiri⁷; Samuel Gubbels⁷; Samy Youssef¹; ¹University of Colorado Anschutz School of Medicine, Department of Neurosurgery; ²Tulane School of Medicine; ³University of Colorado Anschutz School of Medicine; ⁴Thomas Jefferson University, Department of Neurosurgery; ⁵University of Miami, Department of ENT; ⁶Wake Forest School of Medicine, Department of Neurosurgery; ⁷University of Colorado School of Medicine, Department of ENT

(S132) OUTCOMES IN MICROSURGICAL MANAGEMENT OF LARGE VESTIBULAR SCHWANNOMAS: A 10-YEAR MICHIGAN EAR INSTITUTE EXPERIENCE
Hyunseo D Jung, MD, MS¹; Joshua D Caskey, MD²; Jeffrey Turnbull, MD²; Bora Agabigum, MD¹; Dennis I Bojrab, MD¹; Seilesh C Babu, MD¹; ¹Michigan Ear Institute; ²Henry Ford Health Neurosurgery

(S133) IMPACT OF TIMING OF ADJUVANT RADIOTHERAPY ON TUMOR CONTROL FOLLOWING SUBTOTAL RESECTION OF VESTIBULAR SCHWANNOMAS
Rithvik Ramesh, BA¹; Lourdes Kaufman, BA¹; Ruben Hernandez, BS¹; Stephanie Younan, BS, MPH¹; Nadeem Al-Adli, MD²; Philip V Theodosopoulos, MD¹; Steven W Cheung, MD¹; Nicole T Jiam, MD¹; Ramin A Morshed, MD¹; ¹University of California, San Francisco; ²University of North Carolina at Chapel Hill

(S134) HISTOPATHOLOGICAL CONSIDERATIONS FOR INDICATION OF COCHLEAR IMPLANT FOR PATIENTS WITH VESTIBULAR SCHWANNOMA
Shinya Ohira¹; Ivan Lopez²; Gregory P Lekovic²; Maya Harary²; Gail Ishiyama²; Akira Ishiyama²; ¹St. Marianna University School of Medicine; ²UCLA

 

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(V021) EXTREME-MEDIAL APPROACH WITH EUSTACHIAN TUBE MOBILIZATION FOR RECURRENT CLIVAL CHORDOMA
Florencia Rodriguez Basili; Erik Burgos; Matei Alexandru Banu; Collin Liu; Zara Marzban Patel; Vera Vigo; Yuanzhi Xu; Juan Carlos Fernandez-Miranda; Stanford

(V023) COMBINED TRANSCLIVAL-TRANSTUBERCULUM ENDOSCOPIC ENDONASAL APPROACH FOR A SUPRASELLAR AND POSTERIOR FOSSA EPIDERMOID CYST RESECTION
Edgar Petrosyan, MD; Stephen T Magill, MD, PhD; Northwestern University

(V024) EXPANDED ENDOSCOPIC ENDONASAL TRANSPTERYGOID TRANSCLIVAL APPROACH WITH INTERDURAL PITUITARY HEMITRANSPOSITION FOR A HEAVILY CALCIFIED SKULL BASE CHONDROSARCOMA WITH ADHERENCE TO THE INTERNAL CAROTID ARTERY
Evangelos Drosos, MD¹; Cristina Cernei, MBBS¹; Timothy Spencer, MD²; Michelle Spear, PhD³; Louise Melia, MD¹; Warren Bennett, MD⁴; Kumar Abhinav, MD¹; ¹Bristol Institute of Clinical Neurosciences, Department of Neurosurgery, Southmead Hospital, Bristol, UK; ²Department of Oncology, University Hospitals Bristol NHS Foundation Trust, Bristol, UK; ³School of Anatomy, University of Bristol, Bristol, UK; ⁴Department of Ear, Nose and Throat, University Hospitals Bristol NHS Foundation Trust, Bristol, UK

(V025) ENDOSCOPIC ENDONASAL TRANSPTERYGOID-SUBLACERUM APPROACH FOR A PETROCLIVAL CHONDROSARCOMA
Erik Burgos-Sosa, MD¹; Yuanzhi Xu¹; Matei A. Banu¹; Jonathan Lamano, MD¹; Zara Patel, MD²; Vera Vigo, MD¹; Hongwei Yu, MD¹; Collin Liu, MD¹; Juan C. Fernandez-Miranda, MD¹; ¹Department of Neurosurgery, Stanford University Hospital, Stanford, California, USA; ²Department of Otolaringolgy, Head & Neck Surgery, Stanford University Hospital, Stanford, California, USA

(V026) ENDOSCOPIC ENDONASAL TRANSCAVERNOUS RESECTION OF A CHONDROSARCOMA INVOLVING THE POSTERIOR COMPARTMENT OF THE CAVERNOUS SINUS
Hongwei Yu, MD¹; Erik Burgos-Sosa, MD¹; Vera Vigo, MD¹; Yuanzhi Xu, MD¹; Byron Hontiveros¹; Maohua Ding¹; Matei Alexandru Banu, MD¹; Collin Liu, MD¹; Jonathan Lamano, MD¹; Palejwala Ali Hassan, MD¹; Patel Zara Marzban, MD²; Tianxiang David Liu, MD²; Juan C. Fernandez-Miranda, MD¹; ¹Department of Neurosurgery, Stanford Hospital, Stanford, California; ²Department of ENT, Stanford Hospital, Stanford, California

(V027) EXPANDED ENDOSCOPIC ENDONASAL APPROACH FOR RESECTION OF POSTERIOR FOSSA PETROCLIVAL CHONDROSARCOMA WITH RIGHT-SIDED CONTRALATERAL TRANSMAXILLARY APPROACH
Muhammad Waqas¹; Lukasz Przepiorka¹; Jason M Davies¹; Ryan P McSpadden²; Matthew J Kabalan³; Hanna N Algattas¹; ¹Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA; ²Department of Head & Neck/Plastic & Reconstructive Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA; ³Department of Otolaryngology, Jacobs School of Medicine & Biomedical Sciences at the University at Buffalo, Buffalo, NY, USA

(V028) ORBITOZYGOMATIC CRANIOTOMY FOR RESECTION OF A PETROCLIVAL/CAVERNOUS SINUS CHONDROSARCOMA
Kelsey M Bowman, MD; Nicholas C Bambakidis, MD; Case Western Reserve University School of Medicine

(V029) ENDOSCOPIC ENDONASAL FAR-MEDIAL APPROACH FOR MULTICOMPARTMENT CLIVAL CHORDOMA
M. Salman Ali, MD; David Baker, MD; Kenneth Byrd, MD; Fernando Vale, MD; Medical College of Georgia at Augusta University

(V022) FAR MEDIAL ENDOSCOPIC NECK DISSECTION FOR CRANIOCERVICAL CHORDOMA
Jeeho D Kim, MD¹; Michael G Brandel, MD²; Brendan D Sweeney, MD¹; Archana Podury, MD²; Ethan D Frank, MD³; Matthew T Brigger, MD³; Jeffrey S Pannell, MD²; David D Gonda, MD³; Michael L Levy, MD, PhD³; Vijay A Patel, MD³; ¹Naval Medical Center San Diego; ²University of California San Diego; ³Rady Children's Hospital-San Diego

 

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(S135) C1-C2 TRANSORBITAL FIXATION: CADAVERIC INVESTIGATION AND TECHNICAL NOTE
Maria Karampouga, MD^1,2; Rakhmon Egamberdiev¹; Thibault Passeri^1,3; Gianluca L Fabozzi^1,4; Kyle Affolter¹; Okonkwo David O¹; Suzan T Stefko⁵; Eric W Wang⁶; Garret Choby⁶; Carl H Snyderman⁶; Georgios A Zenonos¹; Paul A Gardner¹; ¹Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ²Department of Neurological Surgery, Nicosia General Hospital, Nicosia, Cyprus; ³Department of Neurosurgery, Lariboisière Hospital, Assistance Publique des Hôpitaux de Paris, University of Paris-Cité, Paris, France; ⁴Division of Neurosurgery, Department of Neurosciences and Reproductive and Odontostomatological Sciences, Università degli Studi di Napoli Federico II, Naples, Italy; ⁵Department of Ophthalmology, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ⁶Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA

(S136) THE MANDIBULAR STRUT AND INFERIOR PETROUS CAROTID TRIANGLE AS KEY LANDMARKS FOR ENDOSCOPIC ENDONASAL LOCALIZATION OF THE PARAPHARYNGEAL INTERNAL CAROTID ARTERY
Maria Karampouga, MD^1,2; Liang Xia^1,3; Gregory J Varga⁴; Eric W Wang¹; Carl H Snyderman¹; Paul A Gardner⁴; Garret Choby¹; Georgios A Zenonos⁴; ¹Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ²Department of Neurological Surgery, Nicosia General Hospital, Nicosia, Cyprus; ³Department of Neurosurgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 41,2001,31,3, China; ⁴Department of Neurological Surgery, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA

(S137) THE HEADS-UP PARADIGM: OPTIMIZING SKULL BASE SURGERY WITH THE EXOSCOPE
Silky Chotai, MD; Alan Gordillo; Mark Bassim, MD; Pranay Soni, MD; Varun R Kshettry, MD; Pablo F Recinos, MD; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University

(S138) APPLICATION OF MIXED REALITY IN ENDOSCOPIC STREAMING DURING SKULL BASE SURGERY
Yujin Choi, BS¹; Shovan Bhatia, BS¹; Adam C Monek, BS¹; Harrison Alexander²; Talha Khan, PhD³; Brendan Szczepkowski⁴; Griffin Hurt, BPhil²; Anthony Tang, BS⁵; Michael R Kann, BE¹; Regan M Shanahan, BA¹; Brock Gjesdal¹; Rishi Basdeo, MS⁶; Kyle Affolter, MS¹; David Fernandes Cabral, MD¹; Georgios A Zenonos, MD¹; Paul A Gardner, MD¹; Jacob T Biehl, PhD²; Edward G Andrews, MD¹; ¹Department of Neurosurgery, University of Pittsburgh Medical Center; ²School of Computing and Information Sciences, University of Pittsburgh; ³College of Computing, Grand Valley State University; ⁴Dietrich School of Arts and Sciences, University of Pittsburgh; ⁵Department of Otolaryngology, University of Pittsburgh Medical Center; ⁶Department of Mechanical Engineering, Carnegie Mellon University

(S139) ENDOSCOPIC SKULL BASE ROUTES TO THE HIPPOCAMPUS IN CHILDREN WITH PHARMACORESISTANT EPILEPSY: CT/MRI MORPHOMETRIC EVALUATION OF THE MAXILLARY SINUS
Rakhmon Egamberdiev, MD¹; Thibault Passeri, MD¹; Gianluca Fabozzi, MD¹; Maria Karampouga, MD¹; Garret Choby, MD²; Eric Wang, MD²; Georgios Zenonos, MD¹; Carl Snyderman, MD²; Paul Gardner, MD¹; ¹Department of Neurological Surgery, University of Pittsburgh Medical School (UPMC), Pittsburgh, USA; ²Department of Otolaryngology, University of Pittsburgh Medical School (UPMC), Pittsburgh, USA

(S140) IPSILATERAL VERSUS CONTRALATERAL FLAP POSITIONING IN THE CONTRALATERAL TRANSMAXILLARY APPROACH: ANATOMICAL STUDY AND CLINICAL SERIES
Thibault Passeri¹; Rakhmon Egamberdiev¹; Longgang Yu²; Guoqiang Zhao²; Maria Karampouga¹; Eric W. Wang²; Carl H. Snyderman²; Paul A. Gardner¹; Garet Choby²; Georgios A. Zenonos¹; ¹Department of Neurological Surgery, University of Pittsburgh Medical Center (UPMC), Pittsburgh, USA; ²Department of Otolaryngology, University of Pittsburgh Medical Center (UPMC), Pittsburgh, USA

(S141) MAXIMIZING ACCESS TO THE PETROCLIVAL REGION: AN ANATOMIC COMPARISON OF THE TRANSCRANIAL PREAURICULAR SUBTEMPORAL INFRATEMPORAL FOSSA AND ENDOSCOPIC CONTRALATERAL TRANSMAXILLARY APPROACHES WITH CLINICAL CASE SERIES
Rajeev D Sen¹; Thibault Passeri²; Carter Suryadevara¹; Rakhmon Egamberdiev²; Matthew Breen¹; Matthew Young¹; Georgios Zenonos²; Carl Snyderman²; Paul Gardner²; Chandra Sen¹; ¹NYU Langone Health; ²University of Pittsburgh Medical Center

(S142) ENDOSCOPIC ENDONASAL APPROACH WITH PITUITARY TRANSPOSITION FOR RESECTION OF MIDBRAIN CAVERNOUS MALFORMATIONS IS A SAFE AND EFFECTIVE ALTERNATIVE TO OPEN APPROACHES: A CASE SERIES AND ANATOMICAL CONSIDERATIONS USING CADAVERIC DISSECTIONS AND HDFT
Robert J Dambrino, MD, MPH¹; Cleiton Formentin¹; David T Fernandez-Cabral, MD¹; Yun-Kai Chan¹; Arseniy Pichugin¹; Garrett W Choby, MD²; Eric W Wang, MD²; Carl H Snyderman, MD, MBA²; Paul A Gardner, MD¹; Georgios A Zenonos, MD¹; ¹University of Pittsburgh Medical Center, Department of Neurological Surgery; ²University of Pittsburgh Medical Center, Department of Otolaryngology

(S143) REVERSE SEPTAL FLAP NECROSIS IN ENDOSCOPIC SKULL BASE RECONSTRUCTION: A PROSPECTIVE COHORT STUDY
Nana-Hawwa Abdul-Rahman, MS¹; Aileen Cui, BS²; Garret Choby, MD¹; Eric W Wang, MD¹; Georgios A Zenonos, MD³; Paul A Gardner³; Carl H Snyderman¹; ¹Department of Otolaryngology, University of Pittsburgh School of Medicine; ²University of Pittsburgh School of Medicine; ³Department of Neurologic Surgery, University of Pittsburgh School of Medicine

 

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(S144) VESTIBULOCOCHLEAR OUTCOMES FOLLOWING SINGLE VS. TWO-STAGE PETROCLIVAL MENINGIOMA RESECTION
Rommi Kashlan, BS; Hithardhi Duggireddy, MS; J. Manuel Revuelta-Barbero, MD, PHD; Thomas McCaffery, BS; Karen Salmeron-Moreno, MD; Karthik Papisetty, BA; Gustavo Pradilla, MD; Tomas Garzon-Muvdi, MD, MSc; Emory University

(S145) STAGED RESECTION IN PETROCLIVAL MENINGIOMA: TRADEOFFS IN MORBIDITY, RECOVERY, AND FUNCTIONAL OUTCOMES
J. Manuel Revuelta-Barbero, MD, PHD; Rommi Kashlan, BS; Hithardhi Duggireddy, MS; Thomas McCaffery, BS; Karen Salmeron-Moreno, MD; Karthik Papisetty, BA; Gustavo Pradilla, MD; Tomas Garzon-Muvdi, MD, MSc; Emory University

(S146) TRANSIENT CEREBELLUM-RELATED NETWORK DISRUPTION UNDERLIES POSTOPERATIVE COGNITIVE DECLINE AFTER DOMINANT HEMISPHERE SUBTEMPORAL APPROACH MENINGIOMA RESECTION
Liang Wang; Ziqi Liu; Shaowu Li; Yaou Liu; Yangyang Li; Beijing Tiantan Hospital Affiliated to Capital Medical University

(S147) MENINGIOMAS AND BREAST CANCER: RNA-GUIDED EXPLORATION
Harsh P Shah, MD, MPI¹; Yogesh Rakholia²; Hayden M Dux²; Selvaraj Muthusamy, MBBS, PhD²; Hope Richard, MD, PhD²; William C Broaddus, MD, PhD²; ¹Washington University in St. Louis, Virginia Commonwealth University; ²Virginia Commonwealth University

(S148) RADIATION-INDUCED TRANSCRIPTOMIC REPROGRAMMING IN HIGH-GRADE MENINGIOMAS RESTORES ANTIGEN PRESENTATION AND SUPPRESSES ONCOGENIC AND SURVIVAL PATHWAYS
Ishav Y Shukla, BS; Jeffrey I Traylor, MD; Matthew Z Sun, MD; Aaron Plitt, MD; UT Southwestern Medical Center

(S149) IMPACT OF OBESITY ON POSTOPERATIVE OUTCOMES IN CEREBRAL MENINGIOMA RESECTION: A PROPENSITY-MATCHED TRINETX ANALYSIS
Alexander Velasquez, BS¹; Miguel Lopez-Gonzalez, MD²; ¹UC Riverside School of Medicine; ²Loma Linda University Health: Department of Neurosurgery

(S150) DEVELOPMENT OF A PREDICTIVE MODEL OF MENINGIOMA CONSISTENCY USING MAGNETIC RESONANCE IMAGING (MRI).
Célina Maguemoun¹; Samira Ravanbakhsh, Ing, Phd¹; Malek El-Fekih¹; Théophraste Lescot, Ing, MSc¹; Martin Côté, MD²; Marc-André Fortin, Ing, PhD¹; Pierre-Olivier Champagne, MD, PhD²; ¹Laboratoire de Biomatériaux pour l'Imagerie Médicale, Axe Médecine Régénératrice, Centre de Recherche du Centre Hospitalier Universitaire de Québec - Université Laval, Québec, QC, Canada; ²Département de Neurochirurgie, Université Laval, Québec, QC, Canada

(S151) USING MACHINE LEARNING MODELS TO PREDICT HIGH-GRADE MENINGIOMA WITH PREOPERATIVE MR IMAGING: A META-ANALYSIS OF CLINICAL PREDICTION MODELS
Brij S Karmur, MD; Austin A Barr; University of Calgary

(S152) ANTI-EMP2 THERAPY SUPPRESSES VEGF-MEDIATED ANGIOGENESIS AND CELL MIGRATION IN MALIGNANT MENINGIOMA
Mahlet A Mekonnen¹; Anubav Chandla¹; Brian Aguirre²; Khashayar Mozaffari¹; Aryan Pandey¹; Madhuri Wadehra²; Isaac Yang¹; ¹UCLA Department of Neurosurgery; ²UCLA Department of Pathology

 

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(S153) COMPARATIVE ANALYSIS OF REGIONAL METASTASIS ACROSS SINONASAL MALIGNANCIES
Farhoud Faraji¹; Omer Baker¹; Jennifer E Douglas, MD²; Michael A Kohanski, MD, PhD²; Nithin D Adappa, MD²; James N Palmer, MD²; Thomas L Beaumont, MD, PhD¹; Carol H Yan, MD¹; Edward C Kuan, MD, MBA³; Adam S DeConde, MD¹; Nyall R London, MD, PhD⁴; ¹UC San Diego Health; ²University of Pennsylvania; ³UC Irvine Health; ⁴Johns Hopkins Medicine

(S154) SINONASAL GLOMANGIOPERICTYOMA: A LARGE MULTI-SITE RETROSPECTIVE COHORT REVIEW
Kareem Al-Mulki, MD; Anna Davide; Ruth Agwaze; Jacob Eide, MD; Janalee Stokken; Erin O'Brien; Mayo Clinic

(S155) POST-TREATMENT SURVEILLANCE IN SINONASAL MALIGNANCIES: A SYSTEMATIC REVIEW OF RECURRENCE PATTERNS AND DIAGNOSTIC MODALITY PERFORMANCE
Cenorina Martinez, BS; Emily M Sitkowski, BS; Maria E Martinez; Hannah L Walsh, BS; Soha Ghossaini, MD; Neilkamal S Mundi, MD; Amin B Kassam, MD; Abdulrahman Albakr, MD; Sammy Khalili, MD; Intent Medical Group

(S156) SINONASAL SQUAMOUS CELL CARCINOMA: A POPULATION-BASED ANALYSIS OF PROGNOSTIC FACTORS AND CONTEMPORARY SURVIVAL OUTCOMES
Emma Tam, BA; Emma Anisman, BA; Elliott Sina, BA; Elina M Toskala, MD, PhD, MBA; Mindy R Rabinowitz, MD; Marc R Rosen, MD; Gurston G Nyquist, MD; Thomas Jefferson University

(S157) NASOPHARYNGEAL REGURGITATION OUTCOMES FOLLOWING NASOPHARYNGEAL CARCINOMA TREATMENT
Jack Birkenbeuel, MD, MBA; Neil Thakkar, BS; Eric Nisenbaum, MD; Ricardo Carrau, MD, MBA; Kyle Vankoevering, MD; The Ohio State University

(S158) BEYOND THE SKULL BASE: INTRADURAL SPINAL METASTASES IN ESTHESIONEUROBLASTOMA
Danielle D Dang, MD, MA; Jordan Jones, MD, PhD; Anna Davide, BA; Ruth Agwaze, BS; Alexander Pais, MD; Derrick Obiri-Yeboah, MD; Colin Driscoll, MD; William Krauss, MD; Michael Link, MD; Mayo Clinic Rochester

(S159) ENRICHMENT OF CANCER ASSOCIATED FIBROBLASTS IN RADIATION-TREATED RECURRENT OLFACTORY NEUROBLASTOMA
Esmerina Tili, PhD; Amar Dabbagh, BS; Khaled Dibs, MD; Bradley Gigax, BS; Ahmed ElGuindy; Kyle VanKovering, MD; Kyle Wu, MD; Marcelo Bonomi, MD; Daniel Prevedello, MD; Ricardo Carrau, MD; Dukagjin Blakaj, MD, PHD; Ohio State University

(S160) CHEMO-IMMUNOMODULATION AS A MECHANISTIC RATIONALE FOR COMBINED IMMUNO-ONCOLOGY THERAPY IN SINONASAL SCC
Yen Vu; Hinduja Sathishkumar; Jindal Sonali; Padmanee Sharma; Ehab Hanna; Robert Saddawi-Konefka; Moran Amit; MD Anderson Cancer Center

(S161) OLFACTORY NEUROBLASTOMA ASSESSMENTS BY MRI AND 68GA-DOTATATE PET/CT
Matheus Sewastjanow-Silva¹; Maria Catalina Espinosa²; Alexander Khalaf¹; Yoko Takahashi¹; Ehab Hanna¹; Shirley Y. Su¹; ¹The University of Texas MD Anderson Cancer Center; ²University of Colorado

(S162) SPATIAL IMMUNE CORRELATES FROM THE BARON TRIAL: MULTIPLEX IMMUNOFLUORESCENCE OF OLFACTORY NEUROBLASTOMA TREATED WITH BINTRAFUSP ALFA
Shrey B Shah¹; Shivani Ramolia, MD¹; Yvette L Robbins, PhD²; Wiem Lassoued, PhD³; Charalampos S Floudas³; James L Gulley³; Gary L Gallia⁴; Clint T Allen²; Nyall R London Jr., MD¹; ¹Sinonasal and Skull Base Tumor Program, Surgical Oncology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health; ²Section on Translational Tumor Immunology, Center for Cancer Research, National Cancer Institute, National Institutes of Health; ³Center for Immuno-Oncology, Center for Cancer Research, National Cancer Institute, National Institutes of Health; ⁴Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine

 

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(S163) ADVANCING REMOTE SKULL BASE ANATOMY EDUCATION WITH HIGH-FIDELITY 3D COMPUTER GRAPHICS: APPLICATION IN THE ENDOSCOPIC ENDONASAL APPROACH
Tatsuya Uchida¹; Yuanzhi Xu¹; Yuhei Sangatsuda¹; Erik Burgos-Sosa¹; Vera Vigo¹; Masaki Ikegami¹; Taichi Kin²; Nobuhito Saito²; Aaron Cohen-Gadol³; Juan Fernandez-Miranda¹; ¹Department of Neurosurgery, Stanford University; ²Department of Neurosurgery, The University of Tokyo; ³Department of Neurological Surgery, Keck School of Medicine of USC

(S164) THE NO-COST HANDS-ON BASIC MICROVASCULAR ANASTOMOSIS SLINGSHOT PROGRAM: A FIRST-IN-HISTORY GLOBAL MODEL FOR SUSTAINABLE MICROSURGICAL TRAINING IN LMICS
Abdullah Keles, MD¹; Yannick C Kessely, MD²; Zviad Malazonia, MD³; Turab A Gasimov, MD⁴; Abdurrahman Aycan, MD⁵; Robert J Dempsey, MD¹; Mustafa K Baskaya, MD¹; ¹Department of Neurological Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA; ²Department of Surgery, Hospital de la Renaissance, N'Djamena, Chad; ³Department of Neurological Surgery, Caucasus Medical Center, Tbilisi, Georgia; ⁴Department of Neurosurgery, Hegau Bodensee Klinikum Singen, Singen, Germany; ⁵Department of Neurological Surgery, Van Yuzuncu Yil University School of Medicine, Van, Türkiye

(S165) SKULLPTURE: AN EDUCATIONAL SURGICAL AND ANATOMY 3D ONLINE MODEL FOR ENDOSCOPIC ENDONASAL APPROACHES
Guilherme Mansur, MD¹; Guilherme Finger, MD, MsC²; Moataz D Abouammo, MD, MsC³; Rodrigo D Gehrke, MD³; Ricardo L Carrau, MD³; Daniel M Prevedello, MD³; ¹Universidade Federal do Rio Grande do Sul; ²Indiana University; ³The Ohio State University

(S166) AN AI TOOL FOR ENHANCING SKULL BASE ANATOMY LEARNING THROUGH INTERACTIVE SPATIAL NAVIGATION EXERCISES: FEASIBILITY AND VALIDATION
Michael G Routhbaum, MD¹; Antonio Bernardo, MD¹; Alexander I Evins, MD, PhD²; ¹Department of Neurosurgery, Oregon Health & Science University; ²Weill Cornell Medicine, Neurological Surgery

(S167) IMMERSIVE VIRTUAL REALITY AS AN EDUCATIONAL TOOL FOR SKULL BASE SURGICAL TRAINING: DEVELOPMENT AND INITIAL IMPLEMENTATION OF A HIGH-FIDELITY 3D MODEL LIBRARY
Moataz D Abouammo, MD, MSc¹; Je Beom Hong, MD¹; Rodrigo D Gehrke, MD¹; Thomas Ellsworth²; Lorraine Francis-Miller, MD¹; Federico Valeri, MD¹; Yongli Wang, MD¹; Noha E Shalaby, MD, MSc³; Mohamed Ammo, PharmB⁴; Rebecca Gallardo, MD¹; Kyle C Wu, MD¹; Kathleen M Kelly, MD¹; Daniel M Prevedello, MD, MBA¹; Ricardo L Carrau, MD¹; Kyle K VanKoevering, MD¹; ¹The Ohio State University, Wexner Medical Center; ²James Comprehensive Cancer Center, The Ohio State University; ³Faculty of Medicine, Tanta University, Tanta; ⁴The University of Western Ontario

(S168) EVALUATING THE IMPACT OF THE SURGICAL COACHING PROGRAM ON JUNIOR NEUROSURGICAL RESIDENT AUTONOMY AND CONFIDENCE
Alankrita Raghavan, MD; Kennedy Carpenter; Pakawat Chongsathidkiet, MD, PhD; Ellen O'Callaghan, BA; Seeley Yoo, BA; Steven Cook, MD; C R Goodwin, MD, PhD; Katherine McDaniel, PhD; Michael Haglund, MD, PhD; Duke University

(S169) SKULLPTURE: AN EDUCATIONAL SURGICAL AND ANATOMY 3D ONLINE MODEL FOR TRANSCRANIAL APPROACHES
Guilherme Finger, MD, Msc¹; Guilherme Mansur, MD¹; Moataz D Abouammo, MD²; Rodrigo D Gehrke, MD²; Ricardo L Carrau, MD, FACS²; Daniel M Prevedello, MD, FACS²; ¹Doctorate Program in Medicine: Surgical Sciences, Federal University of Rio Grande do Sul, Porto Alegre RS, Brazil; ²The Ohio State University

(S170) FROM FELLOWSHIP TO REALITY: DEVELOPMENT OF A SKULL BASE SURGERY UNIT IN A PUBLIC HEALTH SYSTEM FROM INCEPTION
Miguel Saez-Alegre, MD, PhD¹; Adriana Lodeiro Colatosti, MD²; Maria Dolores Costa Climent, MD²; Mayra Alejandra Botero Vargas, MD²; Pablo Abellan Galiana, MD, PhD³; Marc Aparisi Pons, MD⁴; Marta Faubell Serra, MD²; Oscar Cortes Andres, MD¹; ¹Department of Neurosurgery. General University Hospital of Castellón (Spain); ²Department of Otorhinolaryngology. General University Hospital of Castellón (Spain); ³Department of Endocrinology. General University Hospital of Castellón (Spain); ⁴Department of Radiology. General University Hospital of Castellón (Spain)

(S171) LARGE LANGUAGE MODELS VS EXPERT RESPONSES: A COMPARATIVE ANALYSIS OF PATIENT EDUCATION QUALITY AFTER SKULL BASE SURGERY
Mahdokht Manavi, MD¹; Noel Ayoub, MD¹; Arifeen Rahman, MD¹; Jacquelyn Callander, MD¹; Lirit Levi, MD¹; David Liu, MD¹; Axel Renteria, MD¹; Maxime Fieux, MD²; Matei Banu, MD¹; Ali Palejwala, MD¹; Juan Fernandez-Miranda, MD¹; Peter Hwang, MD¹; Jayakar Nayak, MD¹; Zara Patel, MD¹; Michael Chang, MD¹; ¹Stanford University; ²Université de Lyon

(S172) EXPANDING ACCESS TO MICROSURGICAL EDUCATION: THE IMPACT OF OFFLINE TRAINING
Abdullah Keles, MD¹; Serra A Delen¹; Yannick C Kessely, MD²; Zviad Malazonia, MD³; Jayunkumar M Shah, MD⁴; Yerkebulan Serikkanov, MD¹; Umid Sulaimanov, MD¹; Ufuk Erginoglu, MD¹; Robert J Dempsey, MD¹; Mustafa K Baskaya, MD¹; ¹Department of Neurological Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA; ²Department of Surgery, Hospital de la Renaissance, N'Djamena, Chad; ³Department of Neurological Surgery, Caucasus Medical Center, Tbilisi, Georgia; ⁴Department of Neurological Surgery, M.K. Shah Medical College and Research Center, Ahmedabad, India

 

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(V030) ALLOGRAFT CONNECTOR-ASSISTED CABLE GRAFT REPAIR OF THE FACIAL NERVE IN THE CEREBELLOPONTINE ANGLE FOLLOWING TEMPORAL BONE MENINGIOMA RESECTION
Avigeet Gupta, MD¹; William G Ruley, BS²; Ian F Dunn, MD³; Alexander G Bien, MD⁴; ¹Rutgers Health New Jersey Medical School, Department of Otolaryngology - Head and Neck Surgery; ²The University of Oklahoma College of Medicine; ³The University of Oklahoma College of Medicine, Department of Neurosurgery; ⁴The University of Oklahoma College of Medicine, Department of Otolaryngology - Head and Neck Surgery

(V031) ENDOSCOPIC TRANS-ORBITAL APPROACH WITH A MODIFIED LATERAL ORBITOTOMY FOR SPHENO-ORBITAL MENINGIOMA RESECTION
Kristen Marciniuk¹; Akshay Save¹; Carter Suryadevara¹; Hannah K Weiss¹; Stella Chung²; John G Golfinos¹; Donato Pacione¹; ¹Department of Neurosurgery, NYU Grossman School of Medicine, New York, New York, United States; ²Department of Ophthalmology, NYU Langone Health, New York, New York, United States

(V032) TRANSORBITAL NEURO-ENDOSCOPIC RESECTION OF SPHENOID WING MENINGIOMA WITHOUT LATERAL ORBITOTOMY
Evangelos Drosos, MD¹; Camille K Milton, MD²; Siddarth Kannan, MBBS¹; Mahmoud Asad, MD, FRCS¹; Cristina Cernei, MD¹; Michelle Spear, PhD³; Samantha Hunt, MD⁴; Rebecca Ford, MD⁴; Kumar Abhinav, MD, FRCS¹; ¹Bristol Institute of Clinical Neurosciences, Department of Neurosurgery; ²University of Tennessee/ Semmes-Murphey Clinic, Department of Neurosurgery; ³University of Bristol School of Anatomy; ⁴Bristol Eye Hospital, University Hospitals, Bristol NHS Foundation Trust

(V033) INTRADURAL ANTERIOR PETROSECTOMY FOR REMOVAL OF A PETROCLIVAL MENINGIOMA
Marco Schiariti; Riccardo Ciocca; Edoardo Barbieri; Luca Mattioli; Leonardo Maresca; Erica Boccardi; Francesco Restelli; Morgan Broggi; Paolo Ferroli; IRCCS Istituto Neurologico Carlo Besta

(V034) CONTRALATERAL ORBITOPTERIONAL APPROACH FOR ANTERIOR SKULL BASE MENINGIOMA RESECTION
Serdar Rahmanv, MD; Mohammadmahdi Sabahi, MD; Qais Alrashidi, MD; Hamid Borghei-Razavi, MD; Badih Adada, MD; Cleveland Clinic Florida

(V035) CONCOMITANT RESECTION OF A LARGE ANTERIOR SKULL BASE MENINGIOMA AND CLIPPING OF RUPTURED ACA ANEURYSM PRESENTING AS SPONTANEOUS SUBARACHNOID HEMORRHAGE
Justin Z Wang¹; Casni Govender¹; Sydney McQueen¹; Ivan Radovanovic²; Farshad Nassiri²; ¹The University of Toronto; ²University Health Network

(V036) MEDIAL SPHENOID WING MENINGIOMA RESECTION VIA MODIFIED MINI PTERIONAL APPROACH
Jeffrey M Breton, MD; Gnel Pivazyan, MD; Ehsan Dowlati, MD; Samir Sur, MD; MedStar Georgetown University Hospital

(V037) MINI PTERIONAL APPROACH FOR RESECTION OF CLINOIDAL MENINGIOMA WITH OPTIC NERVE SHEATH INVOLVEMENT
Devon B O'Donnell, MD; Samir Sur, MD; MedStar Georgetown University Hospital

(V038) EXPANDED ENDONASAL RESECTION OF RECURRENT SPHENO-ORBITAL-CAVERNOUS MENINGIOMA WITH PROGRESSION POST-RADIOSURGERY
Lukasz Przepiorka¹; Muhammad Waqas¹; Owen Treanor²; Alex Fritz¹; Jason M Davies¹; Ryan P McSpadden³; Dheerendra Prasad⁴; Robert A Fenstermaker⁵; Matthew J Kabalan⁶; Hanna N Algattas¹; ¹Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA; ²Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, NY, USA; ³Department of Head & Neck/Plastic & Reconstructive Surgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA; ⁴Department of Radiation Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA; ⁵Department of Neurosurgery, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA; ⁶Department of Otolaryngology, Jacobs School of Medicine & Biomedical Sciences at the University at Buffalo, Buffalo, NY, USA

 

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(S173) ADVANCED VOLUMETRIC AND PHOTOGRAPHIC TECHNIQUES FOR THE DOCUMENTATION OF SURGICAL NEUROANATOMY: A JOURNEY INTO THE CREATION OF IMMERSIVE EDUCATIONAL CONTENT
Roberto Rodriguez Rubio, MD; Chiara Angelini, MD; Marco Obersnel; Hao Tang, MD; Ivan El-Sayed; UCSF

(S174) FROM HIGH-TECH TO LOW-COST: FLUORESCENCE-GUIDED NEUROSURGERY PATHWAYS FOR LMICS- A SYSTEMATIC REVIEW OF 560 PATIENTS
Isabel Martin del Campo¹; Xaris López Solís²; Sebastián Berumen-Arcinas²; Ignacio Pavel Navarro-Chávez¹; Ruth Yael Martínez-Hernández²; Sophie d’Herbemont¹; ¹Hospital Angeles Universidad; ²Escuela Superior de Medicina, Instituto Politécnico Nacional

(S175) THE ROLE OF ARTIFICIAL INTELLIGENCE IN ENHANCING MODERN NEUROSURGICAL TRAINING AND SIMULATION
Andre Payman, MD; Marco Obersnel, MD; Chiara Angelini, MD; Hao Tang, MD; Roberto Rodriguez Rubio, MD; UCSF

(S176) IMPROVING INACCURACIES IN AUGMENTED REALITY NEURONAVIGATION DURING ANTERIOR PETROSECTOMY BY RECALIBRATING USING FIXED BONY LANDMARKS
Hayes H Patrick, MD; Arhum Naeem; Walter Jean, MD; George Washington University

(S177) PINEAL TUMORS, A DESCRIPTIVE ANALYSIS OF 28 YEARS OF EXPERIENCE WITH VOLUMETRIC ANALYSIS OF DIFFERENT APPROACHES AND ITS COMPLICATIONS
Martin A Pilonieta, Pediatric Neurosurgeon¹; An Lesage, Radiologist²; Volodia Dangouloff, Radiologist²; Raphael Levy, Radiologist²; Kevin Beccaria²; ¹Hospital Infantil Universitario; ²Hôpital Necker Enfants-Malades

(S178) EXTENDED KAWASE APPROACH TO THE "TRUE" PETROUS APEX: ANATOMICAL CONSIDERATIONS AND QUANTITATIVE VOLUMETRIC STUDY
Yuanzhi Xu, MD; Yuhei Sangatsuda, MD; Tatsuya Uchida, MD; Ana Sofia Alvarez, MD; Maohua Ding, MD; Collin Liu, MD; Matei Banu, MD; Vera Vigo; Juan Fernandez-Miranda, MD; Department of Neurosurgery, Stanford Hospital, Stanford, California

(S180) PRACTICAL APPLICATIONS OF AI-DRIVEN 3D DESIGN AND PRINTING IN SURGICAL NEUROANATOMY: A LOW-COST SOLUTION FOR DEVICE PROTOTYPING IN THE SKULL BASE LAB
Marco Obersnel, MD; Chiara Angelini, MD; Hao Tang, MD; Roberto Rodriguez Rubio, MD; UCSF

(S181) BEYOND PHOTOGRAMMETRY: CREATING HYPERREALISTIC NEUROANATOMICAL MODELS WITH RADIANCE FIELDS
Roberto Rodriguez Rubio, MD; Jose Mariano Navarrete; Marco Obersnel, MD; Chiara Angelini, MD; Hao Tang, MD; Ivan El-Sayed; UCSF

 

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(S185) THE FOUR QUADRANT TECHNIQUE: DESCRIPTION OF APPROACH TO SUPRASELLAR TUMORS INVOLVING THE THIRD VENTRICLE AND PEDIATRIC CASE SERIES
Camille K Milton, MD; David G Laird, BS, BA; Emal Lesha, MD; Mallory Saleh, BS; Paul Klimo Jr., MD, MPH; University of Tennessee Health Science Center/ Semmes Murphey Clinic, Department of Neurosurgery

(S182) POSTOPERATIVE OUTCOMES FOR 28 PRIMARY AND RECURRENT CRANIOPHARYNGIOMAS IN CHILDREN
Spencer M Frome, MA; Yosef Dastagirzada, MD; Jeffrey Wisoff, MD; Department of Neurosurgery, Division of Pediatric Neurosurgery, NYU Langone Medical Center, New York, NY

(S183) LOWER SOCIOECONOMIC STATUS INCREASES THE POTENTIAL FOR OPERATIVE DEBRIDEMENT AFTER PEDIATRIC ENDOSCOPIC ENDONASAL SKULL BASE SURGERY.
Megan E McNutt¹; Isaac Kistler, MS²; Haley Ellett, MS, RN, CPNPPC²; Patrick Walz, MD, FACS, FAAP²; ¹The Ohio State University; ²Nationwide Children's Hospital

(S184) SPATIAL DISTRIBUTION AND CHARACTERISTICS OF PEDIATRIC MENINGIOMAS
Casey A Jarvis, MD¹; Dylan Keusch, BS²; Aaron Yeo, MD²; Sanda Alexandrescu, MD²; Andres Santos, MD, PhD²; Lissa C Baird, MD²; Wenya Linda Bi, MD, PhD¹; ¹Brigham and Women's Hospital; ²Boston Children's Hospital

(S186) UPDATE ON CONTEMPORARY TRENDS IN PEDIATRIC PITUITARY SURGERY: A NATIONAL ANALYSIS OF APPROACHES AND COMPLICATIONS
Viraj Shah, MD¹; Aayush Shah, BS²; Madison Buras, MD¹; Sei Chung, MD¹; ¹University of Texas at southwestern; ²University of Florida

(S187) MAPPING THE TUMOR ECOSYSTEM OF JUVENILE NASOPHARYNGEAL ANGIOFIBROMA THROUGH SINGLE-CELL TRANSCRIPTOMICS
Heidi Martini-Stoica, MD, PhD¹; Brittany T Rupp²; Miek Kunz¹; Alessandra Livraghi-Butrico²; Kenichi Okuda²; Wanda K O'Neal²; Hong Dang²; Brian D Thorp, MD¹; Cristine Klatt-Cromwell, MD¹; Charles S Ebert, MD, MPH¹; Brent A Senior, MD¹; Jackson R Vuncannon, MD¹; Adam J Kimple, MD, PhD¹; Kevin M Byrd, DDS, PhD²; ¹University of North Carolina; ²Virginia Commonwealth University

(S189) IMPACT OF MIDDLE TURBINATE RESECTION ON SINONASAL COMPLICATIONS IN PEDIATRIC ENDOSCOPIC ENDONASAL SKULL BASE SURGERY
Megan E McNutt¹; Haley Ellett, MS, RN, CPNPPC²; Isaac Kistler, MS²; Patrick Walz, MD, FACS, FAAP²; Rishabh Sethia, MD²; ¹The Ohio State University; ²Nationwide Children's Hospital

(S190) AGE-RELATED VARIATION IN SUPERFICIAL TEMPORAL ARTERY IN PEDIATRIC PATIENTS
Allison S Liang, MD¹; Sam Tenhoeve, BS¹; Michael T Bounajem, MD¹; Michael L Levy, MD²; Craig Kilburg, MD¹; Vijay Ravindra, MD¹; William T Couldwell, MD, PhD¹; Robert Rennert, MD¹; ¹University of Utah; ²University of California San Diego

 

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(S192) BALANCING TUMOR RESECTION AND FACIAL NERVE FUNCTION IN LARGE VESTIBULAR SCHWANNOMAS: ANALYSIS OF COMPLICATIONS AND OUTCOMES IN A SINGLE-SURGEON COHORT
Arseniy Pichugin¹; Andrey Alekseev¹; Nail Shayakhmetov²; Dilyara Miftakhova²; Daniya Mukhamadieva²; Karina Khayrullina¹; Amadu Konate¹; Roman Ivanov¹; ¹Kazan State Medical University; ²Interregional clinical and diagnostic center

(S193) PHASE II RESULTS UTILIZING THE TUMOR-TARGETING FLUORESCENCE IMAGING AGENT TOZULERISTIDE AND THE CANVAS IMAGING SYSTEM IN A COHORT OF ADULTS UNDERGOING RESECTION OF VESTIBULAR SCHWANNOMA
John S Yu; Yu-Tung Wong, MD; Mia Miller; Rachel Fox; Daniel Gomez; Jeremy Rudnick; Jethro Hu; Ray Chu; Chirag Patil, MD; Adam Mamelak, MD; Keith L Black, MD; Cedars Sinai Medical Center

(S194) ACQUISITION OF SURGICAL SKILLS IN VESTIBULAR SCHWANNOMA SURGERY: A FOUR-HAND MICROSURGICAL TRAINING MODEL AND TRAINEE LEARNING CURVE
Ana Sofia Alvarez, MD; Celine Hounjet, MD; Yoojin Choi, MD, PhD; Brian Westerberg, MD; Serge Makarenko, MD; Ryojo Akagami, MD; University of British Columbia

(S195) PROGNOSTIC SIGNIFICANCE OF CYSTIC MORPHOLOGY IN VESTIBULAR SCHWANNOMAS: A MULTI-INSTITUTIONAL RETROSPECTIVE ANALYSIS OF A LARGE COHORT FROM 1990 TO 2025
Kaasinath Balagurunath, BA¹; Sabrina Heman-Ackah, MD, DPhil, Oxon, MSE¹; Rania A Mekary, PhD, MSc, MS²; C. Eduardo Corrales, MD, Co Senior Author¹; Timothy Smith, MD, PhD, MPH, Co Senior Author¹; ¹Brigham and Women's Hospital; ²School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University

(S196) IMAGING AND PATHOLOGIC CORRELATES OF VESTIBULAR SCHWANNOMAS
Elena Kurudza, Resident; Lindsay Hunt; Jeffrey Nadel; Allison Liang; Cody Orton; Sam Tenhoeve; Kyril Cole; Neil Patel; Richard Gurgel; Mana Espahbodi; Robert Rennert; William Couldwell; Qinwen Mao; Karol Budohoski; University of Utah

(S197) IMPACT OF PRE-TREATMENT GROWTH RATE AND RADIOSURGERY APPROACH ON STEREOTACTIC RADIOSURGERY OUTCOMES IN VESTIBULAR SCHWANNOMA
Pranav Bingi, BS¹; Khoa Nguyen, BS¹; Kalena Liu, BS¹; Anika Walia, BS¹; Wenyin Shi, MD²; Jacob Hunter, MD¹; ¹Thomas Jefferson University, Department of Otolaryngology; ²Thomas Jefferson University, Department of Radiation Oncology

(S198) METHYLATION PROFILING REVEALS SUBGROUPS OF INTRACRANIAL SCHWANNOMA WITH DISTINCT BIOLOGICAL AND CLINICAL FEATURES
Alex Landry¹; Leeor Yefet¹; Felix Behling²; Yosef Ellenbogen¹; Andrew Ajisebutu¹; Chloe Gui¹; Jens Schittenhelm²; Farshad Nassiri¹; Marcos Tatagiba²; Gelareh Zadeh³; ¹University of Toronto; ²University of Tubingen; ³Mayo Clinic

(S199) EPIDEMIOLOGY OF VESTIBULAR SCHWANNOMAS: A CONTEMPORARY ANALYSIS FROM THE UNITED KINGDOM VESTIBULAR SCHWANNOMA REGISTRY.
Nathan Creber, PhD¹; Shravan Gowrishankar¹; Stephen O'Leary, PhD²; James Tysome, PhD¹; Patrick Axon¹; Colin Leonard³; Daniele Borsetto¹; ¹Cambridge University Hospitals NHS Trust, United Kingdom; ²The Royal Victorian Eye and Ear Hospital, Melbourne Australia; ³Royal Victoria Hospital, Belfast Heath and Social Care Trust, United Kingdom

 

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(S200) THE EFFECT OF UPFRONT RADIATION ON INTERMEDIATE GRADE SKULLBASE CHONDROSARCOMAS
Jessica Eaton, MD; Danielle Dang; Maria Peris Celda; Jamie Van Gompel; Michael Link; Mayo Clinic

(S201) TUBERCULUM SELLAE MENINGIOMAS: ANATOMICAL DETERMINANTS OF SURGICAL APPROACH
Silky Chotai, MD; Alan J Gordillo; Aritra Nag, MD; Erion De Andrade, MD; Pranay Soni, MD; Varun Kshettry, MD; Pablo Recinos, MD; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University

(S202) FOUR TRANSORBITAL APPROACHES TO THE SKULL BASE. SURGICAL NUANCES AND INSTITUTIONAL EXPERIENCE WITH 212 CASES.
Maria Karampouga^1,2; Buvic Patel^1,3; Gregory J Varga¹; Anna. K Terrarosa⁴; David T Fernandes-Cabral¹; Garret W Choby⁵; Eric Wang⁵; Carl H Snyderman⁵; Susan T Stefko⁴; Paul A Gardner¹; Georgios A Zenonos¹; ¹Department of Neurological Surgery, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ²Department of Neurological Surgery, Nicosia General Hospital, Nicosia, Cyprus; ³Department of Neurological Surgery, Washington University in St. Louis, St. Louis, Missouri, USA; ⁴Department of Ophthalmology, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ⁵Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA

(S203) BENCHMARK SURGICAL OUTCOMES FOR ENDOSCOPIC TRANSNASAL CRANIOPHARYNGIOMA RESECTION: IMPLICATIONS FOR CLINICAL PRACTICE FROM THE RAPID CONSORTIUM
Sam Tenhoeve¹; Cody Orton¹; Diwas Gautam¹; Julie M Silverstein, MD²; Albert H Kim, MD, PhD²; James J Evans, MD³; Garni Barkhoudarian, MD⁴; Juan C Fernandez-Miranda, MD⁵; Donato R Pacione, MD⁶; Won Kim, MD⁷; Marvin Bergsneider, MD⁷; Michael R Chicoine, MD⁸; Gabriel Zada, MD⁹; Varun R Kshetty, MD¹⁰; Kyle Wu, MD¹¹; Carolina Benjamin, MD¹²; Jamie Van Gompel, MD¹³; Sandhya Palit, MBBS¹³; Michael P Catalino, MD¹⁴; Adam Mamelak, MD¹⁵; Nathan Zwagerman, MD¹⁶; Stephanie Cheok, MD¹⁶; Andrew S Little, MD¹⁷; Michelle Magana Mendoza, BS¹⁷; Georgios Zenonos, MD¹⁸; Paul Gardner, MD¹⁸; Michael Karsy, MD, PhD¹⁹; Ramin Morshed, MD²⁰; Spiros Blackburn, MD²¹; Debraj Mukherjee, MD²²; Andre Beer-Furlan, MD, PhD²³; William T Couldwell, MD, PhD¹; Robert C Rennert, MD¹; ¹University of Utah; ²Washington University School of Medicine; ³Jefferson University; ⁴Pacific Neuroscience Institute; ⁵Stanford University; ⁶New York University; ⁷University of California, Los Angeles; ⁸University of Missouri; ⁹University of Southern California; ¹⁰Cleveland Clinic Foundation; ¹¹Ohio State University; ¹²University of Miami; ¹³Mayo Clinic; ¹⁴University of Virginia; ¹⁵Cedars-Sinai Medical Center; ¹⁶Medical College of Wisconsin; ¹⁷Barrow Neurological Institute; ¹⁸University of Pittsburgh Medical Center; ¹⁹University of Michigan; ²⁰University of California, San Francisco; ²¹University of Texas Health; ²²Johns Hopkins University; ²³Moffitt Cancer Center

(S204) VOLUMETRIC ANALYSIS OF SKULL BASE CHORDOMAS TO GUIDE RESECTION STRATEGY AND PREDICT CLINICAL OUTCOMES
Sakibul Huq, MD; Zachary C Gersey, MD; Yassine A Idrissi, MD; Afrooz Zandifar, MD; Nasim Batavani, MD; Priyadarshini Mamindla, MSc; Mohammadreza Amjadzadeh, MD; Serafettin Zenkin, MD; Ayla Buyukkaya, MD; Ozlem T Kalayci, MD; Vishal Peddagangireddy, MSc; Ramazan Buyukkaya, MD; Walaa Hamza, MD; Sinef H Aksoy, MD; Hussein Abdallah, MD; Garret Choby, MD; Eric W Wang, MD; Carl H Snyderman, MD, MBA; Paul A Gardner, MD; Georgios A Zenonos, MD; University of Pittsburgh Medical Center

(S205) ANATOMIC AND RADIOGRAPHIC PATTERNS OF RADIATION FAILURE IN RECURRENT CLIVAL CHORDOMAS
Danielle D Dang, MD, MA; Sukwoo Hong, MD; Paul D Brown, MD; Bruce Pollock, MD; Michael Link, MD; Maria Peris Celda, MD, PhD; Anita Mahajan, MD; Jamie J Van Gompel, MD; Nadia N Laack, MD; Eric J Lehrer, MD; Mayo Clinic Rochester

(S206) TREATMENT OUTCOMES IN OSTEOSARCOMA OF THE HEAD AND NECK: A SYSTEMATIC REVIEW AND META-ANALYSIS
Angela Magri, MDCMc; Emily Kay-Rivest, MDCM, MSc; Marco Mascarella, MDCM, PhD; McGill University

(S207) EXPLORING CONSENSUS ON SKULL BASE CHORDOMA MANAGEMENT
Saket Myneni, MPH¹; A. Karim Ahmed, MD¹; Foad Kazemi, MD¹; Anirudh Saraswathula, MD¹; Nathan T Zwagerman, MD²; Shirley Y Su, MBBS³; Garret Choby, MD⁴; Eric W Wang, MD⁴; Jamie J Van Gompel, MD⁵; Kristin J Redmond, MD, MPH¹; Erin L McKean, MD, MBA⁶; Carl H Snyderman, MD, MBA⁴; Paul A Gardner, MD⁴; Nicholas R Rowan, MD¹; Debraj Mukherjee, MD, MPH¹; ¹Johns Hopkins School of Medicine; ²Medical College of Wisconsin; ³MD Anderson Cancer Center; ⁴University of Pittsburgh Medical Center; ⁵Mayo Clinic; ⁶University of Michigan Health

(S208) THE ROAD TO CONSENSUS IN CRANIOCERVICAL CHORDOMA MANAGEMENT: A NIH MODIFIED DELPHI SURVEY
Anthony Tang, BS¹; Bastien Valencia, MD²; Anthony P Conley, MD³; Claire Stokes, MD⁴; Patrick C Walz, MD⁵; Shaan M Raza, MD⁶; Uma Ramaswamy, MD⁷; Vinai Gondi, MD^8,9; Ziya Gokaslan, MD¹⁰; Guillermo Aldave Orzaiz, MD, PhD¹¹; Erin McKean, MD¹²; Myrsini Ioakeim-Ioannidou, MD¹³; Shannon MacDonald, MD¹³; Michael McDowell, MD¹⁴; Eric W Wang, MD¹⁵; Paul A Gardner, MD¹⁶; Carl H Snyderman, MD, MBA¹⁵; Mary Frances Wedekind, DO¹⁷; Vijay Patel, MD¹⁸; Sean Polster, MD¹⁹; ¹University of Pittsburgh, School of Medicine; ²Department of Otolaryngology/Head and Neck Surgery, Mayo Clinic, Jacksonville, FL, USA; ³Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA; ⁴Aflac Cancer & Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, Georgia, USA; ⁵Department of Otolaryngology, The Ohio State University Wexner Medical Center, Columbus, OH, USA; ⁶Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; ⁷Department of Neurosurgery, Baylor College of Medicine, Houston, Texas, USA; ⁸Northwestern Medicine Chicago Proton Center, Warrenville, IL, USA; ⁹Northwestern Medicine Cancer Center Warrenville, Brain & Spine Tumor Center, Warrenville, IL, USA; ¹⁰Department of Neurosurgery, The Warren Alpert Medical School of Brown University, Providence, Rhode Island; ¹¹Department of Surgery, Division of Pediatric Neurosurgery, Texas Children's Hospital, Houston; ¹²Department of Otolaryngology and Neurosurgery, University of Michigan, Ann Arbor, Michigan; ¹³Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts, USA; ¹⁴Department of Neurosurgery, PennState Health; ¹⁵Department of Otolaryngology-Head and Neck Surgery, University of Pittsburgh, Pittsburgh, PA; ¹⁶Department of Neurosurgery, University of Pittsburgh, Pittsburgh, USA; ¹⁷Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland, USA; ¹⁸Department of Otolaryngology-Head and Neck Surgery, University of California San Diego, La Jolla, California, USA; ¹⁹Department of Neurological Surgery, University of Chicago Medicine and Biological Sciences, Chicago, Illinois, USA

(S209) MULTI-INSTITUTIONAL MACHINE-LEARNING PREDICTOR OF GROSS-TOTAL RESECTION IN SKULL-BASE CHONDROSARCOMA
Juan P Zuluaga Garcia, MD, MSc¹; Franco Rubino, MD²; Francisco Call Orellana, MD¹; Esteban Ramirez-Ferrer, MD¹; Geroge Zenonos, MD³; Paul Gardner, MD³; Hanna Algattas, MD³; Juan C Fernadez-Miranda, MD⁴; Vigo Vera⁴; Franco DeMonte, MD¹; Shaan M Raza, MD¹; ¹The University of Texas MD Anderson Cancer Center; ²Baptist Medical Center; ³University of Pittsburg Medical Center; ⁴Stanford School of Medicine

 

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(S210) ENDOVASCULAR INTERVENTIONAL EMBOLIZATION WITH SUBSEQUENT MICROSURGERY FOR THE TREATMENT OF SOLID POSTERIOR FOSSA HEMANGIOBLASTOMAS: A RETROSPECTIVE COHORT STUDY
Liang Wang; Ziqi Liu; Lian Liu; Peiran Li; Kaibing Tian; Da Li; Junting Zhang; Liwei Zhang; Zhen Wu; Beijing Tiantan Hospital Affiliated to Capital Medical University

(S211) A MODIFIED RETROSIGMOID APPROACH THROUGH A 3CM INCISION AND SUBOCCIPITAL MUSCLE DIFFERENTIAL FLAP REDUCES MORBIDITY AND IMPROVES COSMESIS IN MICROVASCULAR DECOMPRESSION SURGERY
Shovan Bhatia, BS; Adway Gopakumar, BS; Dongwon Lee, BS; Poliana Hartung, BS; William McKay, MS; Ajay Pathakamuri, BS; Sri Sridhar; Sakibul Huq, MD; Hussam Abou-Al-Shaar, MD; Georgios A Zenonos, MD; University of Pittsburgh Medical Center

(S214) THE USE OF INTERPOSITION VEIN GRAFTS FOR MICROVASCULAR RECONSTRUCTION OF THE SKULL BASE, SCALP AND SKULL - PRINCIPLES AND EXPERIENCE
Mark D DeLacure, MD; The Cleveland Clinic

(S216) EXTERNAL CAROTID ARTERY TO VERTEBRAL ARTERY BYPASS WITH CRANIOCERVICAL DECOMPRESSION FOR VERTEBROBASILAR INSUFFICIENCY
Tyler Lazaro, MD; Varad Shenoy, MD; Basavaraj Ghodke, MD; Laligam Sekhar, MD; University of Washington

(S217) POSTERIOR CEREBRAL ARTERY ANEURYSMS IN MOYAMOYA DISEASE: PATTERNS OF PRESENTATION, TREATMENT, AND OUTCOMES
Kashif Qureshi, MS; Egemen Gok; Kivanc Yangi, MD; John E Wanebo, MD; Mark C Preul, MD; Barrow Neurological Institute

 

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(S220) COMPLICATION RATES AND FUNCTIONAL OUTCOMES FOLLOWING ENDOSCOPIC OPTIC NERVE DECOMPRESSION FOR NON-TRAUMATIC OPTIC NEUROPATHY: A SINGLE-ARM META-ANALYSIS
Khushal Gupta, MBBS¹; Michael Karsy, MD, PhD, MSc, FAANS, FCNS²; ¹Bharat Ratna Late Shri Atal Bihari Vajpayee Memorial Medical College; ²University of Michigan Health

(S221) ENDOSCOPIC REPAIR OF BASAL ENCEPHALOCELES: A SINGLE-ARM META-ANALYSIS OF SUCCESS RATES AND COMPLICATION PROFILES
Khushal Gupta, MBBS¹; Michael Karsy, MD, PhD, MSc, FAANS, FCNS²; ¹Bharat Ratna Late Shri Atal Bihari Vajpayee Memorial Medical College; ²University of Michigan Health

(S222) ENDOSCOPIC SURGERY OF FIBRO-OSSEOUS LESIONS OF PARANASAL SINUS AND SKULL BASE
Amit Keshri, Prof; Sanjay Gandhi Post Graduate Institute of Medical Sciences, LUCKNOW

(S223) QUANTITATIVE ANALYSIS AND ANATOMIC FEASIBILITY ASSESSMENT OF SUPRAORBITAL KEYHOLE APPROACH: A REVIEW OF CADAVERIC STUDIES ON AREA OF EXPOSURE, ANGLE OF ATTACK, AND SURGICAL FREEDOM
Mehdi Khaleghi, MD; Asa Barnett; Garrett Dyess; Adnan Shahid; Maxon Bassett; Jai D Thakur, MD; University of South Alabama

(S224) CADAVERIC QUANTITATIVE COMPARISON OF TRANSORBITAL AND MINI-PTERIONAL APPROACHES FOR MCA BIFURCATION ANEURYSMS
Beste Gulsuna, MD¹; Xiaochun Zhao¹; Burak Ozaydin¹; Andrew M Bauer¹; Ian F Dunn¹; Walter C Jean²; Christopher S Graffeo¹; ¹University of Oklahoma Health Science Center; ²Lehigh Valley Fleming Neuroscience Institute

(S225) VENOUS-CEREBROSPINAL FLUID FISTULA OF THE ANTERIOR SKULL BASE: ILLUSTRATIVE CASE AND A SYSTEMATIC REVIEW
Ryan K Thorpe, MD; Bamidele O Adebayo, MBBS; Ralph Abi Hachem, MD; Amanda V Jenson, MD; Duke University

 

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(S227) THE TRANSZYGOMATIC TRANSMANDIBULAR APPROACH TO ANTERIOR AND MIDDLE INFRATEMPORAL FOSSA: A STEP-BY-STEP CADAVERIC DISSECTION AND ILLUSTRATIVE CASE
Elena Rosellini, MD¹; Maria Pia Tropeano, MD, PhD¹; Cezar Kabbach Calaça Prigenzi, MD²; Gean Franco Gerbino, MD³; Aysu Iyigun Kabakci, MD⁴; Sergio Augusto Barbosa De Farias, MD⁵; Gabriel Vargas Rosales, MD⁶; Federico Pessina, MD, PhD¹; Joao Paulo Almeida, MD, PhD⁴; ¹Humanitas University, IRCCS Humanitas Research Hospital, Milan, Italy; ²Mandaqui Hospital, São Paulo, Brazil; ³Hospital Posadas, Buenos Aires, Argentina; ⁴Department of Neurosurgery, Neuroscience Institute, Indiana University, Indianapolis, IN, US; ⁵State University of Campinas, Campinas, São Paulo, Brazil; ⁶Department of Neurosurgery, Universidad Military Nueva Granada,Hospital Militar Central, Colombia

(S228) PREOPERATIVE MICRONUTRIENT-DEFINED MALNUTRITION PREDICTS POOR FUNCTIONAL OUTCOMES FOLLOWING VESTIBULAR SCHWANNOMA RESECTION: A MULTI-INSTITUTIONAL ANALYSIS (1990-2025)
Kaasinath Balagurunath, BA¹; Sabrina Heman-Ackah, MD, DPhil, Oxon, MSE¹; Rania A Mekary, PhD, MSc, MS²; C. Eduardo Corrales, MD³; Timothy Smith, MD, PhD, MPH³; ¹Brigham and Women's Hospital; ²School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University; ³Co-Senior Author, Brigham and Women's Hospital

(S229) PREDICTORS OF SYMPTOMATIC IMPROVEMENT AFTER SURGICAL REPAIR OF SUPERIOR SEMICIRCULAR CANAL DEHISCENCE IN OVER 600 CASES
Laila N Khorasani, BS; Mahlet Mekonnen, BS; Simon Han, BS; Quinton Gopen, MD; Isaac Yang; UCLA

(S230) APPROACH RELATED COMPLICATIONS OF THE COMBINED TRANSPETROSAL APPROACH: EXPERIENCE OF A SINGLE CENTER
Tingting Jiang; Nobuyuki Watanabe; Jerold Justo; Tancredo Alcântara; Paolo Di Russo; Matei Militaru; Arianna Fava; Thibault Passeri; Sébastien Froelich; Lariboisiére Hospital, Paris, France

(S231) IMPLICATIONS OF TUMOR SIZE ON AUDITORY BRAINSTEM IMPLANT PERFORMANCE
Justin Cottrell¹; Matthew Breen²; Matthew Van Leeuwen²; William Shapiro²; Mahan Azadpour²; David Friedmann²; Daniel Jethanamest²; Sean McMenomey²; Donato Pacione²; Mari Hagiwara²; Gul Moonis²; John Golfinos²; J. Thomas Roland Jr.²; ¹Yale University; ²NYU

(S232) TROCHLEAR SCHWANNOMA INTERPOSED BETWEEN THE TWO LEAFLETS OF THE TENTORIUM: AN ILLUSTRATIVE CASE AND SYSTEMATIC REVIEW
Umid Sulaimanov, MD; Umut Tan Sevgi, MD; Benjamin Lee, MD; Ali Riaz; Abdullah Keles, MD; Ufuk Erginoglu, MD; Mustafa Kemal Baskaya, MD; University of Wisconsin Hospital and Clinic

(S233) PROTON DENSITY MAGNETIC RESONANCE IMAGING FOR EVALUATION OF NEUROVASCULAR COMPRESSION IN TRIGEMINAL NEURALGIA
Alicia Chen; Nicholas Koontz; Ichiro Ikuta; Yuxiang Zhou; Justin Cramer; Mayo Clinic Arizona

(S234) MICROVASCULATURE OF CNS VII AND VIII AT THE BRAINSTEM AND THE MIDDLE CEREBELLAR PEDUNCLE: SURGICAL ANATOMY AND CLINICAL RELEVANCE
A. Yohan Alexander, BA^1,2,3; Rosaria V Abbritti, MD^1,2,4; Luciano Leonel^1,2,5; MIchael J Link, MD^1,2,6; Maria Peris-Celda, MD, PhD^1,2,5,6; ¹Rhoton Neurosurgery and Otolaryngology Surgical Anatomy Program, Mayo Clinic, Rochester, MN; ²Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, USA; ³Medical School, University of Minnesota, Minneapolis, MN, USA; ⁴Department of Neurosurgery, Lariboisière Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France; ⁵Department of Clinical Anatomy, Mayo Clinic, Rochester, MN, USA; ⁶Department of Otorhinolaryngology, Mayo Clinic, Rochester, MN, USA

(S235) JUGULAR TUBERCLE REMOVAL TECHNIQUE ENHANCES ACCESS TO MID-TO-LOWER CLIVUS: CADAVERIC STEP-BY-STEP DISSECTION
Xiaochun Zhao, MD; Beste Gulsuna; Panayiotis E Pelargos; Jeffrey A Zuccato; Ian F Dunn; University of Oklahoma Health Sciences Center

 

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(V039) STIMULATION MAPPING GUIDED ENDOSCOPIC ENDONASAL TRANSCLIVAL RESECTION OF PONTINE CAVERNOMA
Won Kim, MD¹; Yashaar Hafizka, BA²; Maya Harary, MD¹; Anthony Wang, MD¹; ¹University of California Los Angeles Department of Neurosurgery; ²University of California Los Angeles David Geffen School of Medicine

(V040) CRANIO-ORBITAL APPROACH WITH EXTRADURAL CLINOIDECTOMY FOR RUPTURED WIDE NECK FETAL PCOMM ANEURYSM
Matthew J Cotroneo, BS; Gurkirat S Kohli, MD; Prasanth Romiyo, MD; Rohin Singh, MD; Vincent N Nguyen, MD; University of Rochester Neurosurgery Department

(V041) FAR LATERAL CRANIOTOMY WITH CONDYLAR FOSSA DRILLING FOR CLIPPING OF RUPTURED PROXIMAL POSTERIOR INFERIOR CEREBELLAR ARTERY ANEURYSM
Satoshi Matsuo, MD, PhD; Kotaro Ono; Koki Mizukami; Koichi Fujimoto; Shintaro Nagaoka; Yoshio Suyama; Hidefuku Gi; Yukihide Kanemoto; Department of Neurosurgery, Baba Memorial Hospital

(V042) MOTOR ARTERIOVENOUS MALFORMATION RESECTION WITH NAVIGATION AND ADVANCED NEUROMONITORING
Ari Kappel, MD; Sarah Blitz, MD; Sahin Hanalioglu, MD, PhD; Anil Can, MD; David Bass, MD, PhD; Nirav J Patel, MD; Brigham and Women's Hospital

(V043) CRANIO-ORBITAL APPROACH WITH EXTRADURAL CLINOIDECTOMY FOR RUPTURED WIDE NECK VENTRAL ICA ANEURYSM
Matthew J Cotroneo, BS; Gurkirat S Kohli, MD; Nathaniel Ellens, MD; Catherine Jay, MD; Vincent N Nguyen, MD; University of Rochester Neurosurgery Department

(V044) SUPRACEREBELLAR TRANSTENTORIAL RESECTION OF TECTAL CAVERNOMA IN SITTING POSITION
Justin Z Wang, MD, PhD¹; Vesna Malinova²; Pranjan Gandhi²; Dimitrios Charitos, MD²; Hugo Andrade Barazarte²; Ivan Radovanovic, MD, PhD²; ¹The University of Toronto; ²University Health Network

(V045) CLIPPING OF GIANT ICA ANEURYSM AND DECOMPRESSION OF BILATERAL OPTIC NERVES VIA ORBITO-PTERIONAL AND ANTERIOR CLINOIDECTOMY: 2D MICROSURGICAL VIDEO
Andrew Gauden, MBBS, PhD, FRACS; Mendel Castle-Kirszbaum, MBBS, PhD; Darius Tan, MBBS; Annie Chen, MBBS, FRACS; Jeremy Kam, MBBS, BMedSc, FRACS; Department of Neurosurgery, Monash Health

(V046) ENDOSCOPE ASSISTED SUPRAORBITAL CRANIOTOMY FOR LIGATION OF ETHMOIDAL DURAL ARTERIOVENOUS FISTULA
Camille K Milton, MD¹; Evangelos Drosos, MD²; Mahmoud Asad, MD, FRCS²; Cristina Cernei, MD²; Kumar Abhinav, MD, FRCS²; ¹University of Tennessee/ Semmes-Murphey Clinic, Department of Neurosurgery; ²Bristol Institute of Clinical Neurosciences, Department of Neurosurgery

(V047) GIANT HYPERVASCULAR FIBROUS DYSPLASIAAND VENOUS ANEURYSM OF THE CENTRAL SKULL BASE LEADING TO COMPRESSIVE OPTIC NEUROPATHY
Jacquelyn K Callander, MD; Collin Liu, MD; Vera Vigo, MD, PhD; Erik Burgos-Sosa, MD; Michael T Chang, MD; Juan C Fernandez-Miranda, MD; Stanford University

 

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(S237) QUALITY OF LIFE OUTCOMES FOLLOWING STYLOIDECTOMY/C1 OSTECTOMY IN PATIENTS WITH EXTRACRANIAL VENOUS OUTFLOW OBSTRUCTION
Alisha E Suri, BSc¹; Katherine Koch, BFA¹; Trevor H Torigoe, PhD¹; Edward J Hepworth, MD²; Jared Theler, MD³; David Young, MD³; Ferdinand K Hui, MD³; ¹John A. Burns School of Medicine, University of Hawaii; ²Denver Sinus Care; ³The Queen's Health Systems

(S238) ARTIFICIAL INTELLIGENCE APPLICATIONS TO DETECT CLIVAL REMODELING IN THE SETTING OF PITUITARY ADENOMAS
Diego D Luy, MD; Mousa Javidialsaadi; Andre Payman, MD; Faraz Behzadi, MD; Joseph F Zywiciel, MD; Andrew Pickles; Joseph Frazzetta, MD; Isaac Ng, MD; Shiau-Sing Cicierska; Vikram C Prabhu, MD; Chirag Patel, MD; Anand V Germanwala, MD; Loyola University Medical Center

(S239) COMBINING SIMPLIFIED RETROPHARYNGEAL AND ENDONASAL ROUTES TO MAXIMIZE VENTRAL SKULL BASE EXPOSURE: A QUANTITATIVE CADAVERIC STUDY
Chiara Angelini; Marco Obersnel; Hao Tang; Roberto Rodriguez Rubio, MD; UCSF

(S240) ANATOMIC CHARACTERIZATION OF THE LONGUS CAPITIS TUBERCLES: A PROPOSAL TO STANDARDIZE SURGICAL LANDMARKS ON THE VENTRAL LOWER CLIVUS
Chiara Angelini, MD; Marco Obersnel, MD; Hao Tang, MD; Roberto Rodriguez Rubio, MD; UCSF

(S241) CRITICAL BOTTLENECKS IN CRANIOCERVICAL VENOUS OUTFLOW: INSIGHTS FROM A MULTISITE REVIEW AND COHORT ANALYSIS
Alisha E Suri, BSc¹; Trevor H Torigoe, PhD¹; Ferdinand K Hui²; Edward J Hepworth³; ¹John A. Burns School of Medicine; ²The Queen's Health Systems; ³Denver Sinus Care

(S243) LONG-TERM CERVICAL STABILITY AFTER ENDOSCOPIC ENDONASAL ODONTOIDECTOMY: A SINGLE-ARM META-ANALYSIS OF FUSION-FREE SURVIVAL
Khushal Gupta, MBBS¹; Michael Karsy, MD, PhD, MSc, FAANS, FCNS²; ¹Bharat Ratna Late Shri Atal Bihari Vajpayee Memorial Medical College; ²University of Michigan Health

(S244) SURGICAL OUTCOMES AND FUNCTIONAL MORBIDITY FOLLOWING RETROSIGMOID AND MIDLINE-SUBOCCIPITAL APPROACHES FOR FORAMEN MAGNUM MENINGIOMAS: A SINGLE-ARM META-ANALYSIS
Khushal Gupta, MBBS¹; Michael Karsy, MD, PhD, MSc, FAANS, FCNS²; ¹Bharat Ratna Late Shri Atal Bihari Vajpayee Memorial Medical College; ²University of Michigan Health

 

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(V048) COMBINED TRANSLABYRINTHINE AND RETROSIGMOID CRANIOTOMY FOR RESECTION OF GIANT JUGULAR FORAMEN PARAGANGLIOMA
Camille K Milton, MD¹; Rebecca Hodnett, MD²; Agbolahan Sofela, MD, PhD²; Philip Clamp, MD, FRCS³; Mario Teo, MD, PhD²; ¹University of Tennessee/ Semmes-Murphey Clinic, Department of Neurosurgery; ²Bristol Institute of Clinical Neurosciences, Department of Neurosurgery, Southmead Hospital, Bristol, UK; ³Bristol Institute of Clinical Neurosciences, Department of Ear Nose and Throat Surgery, Southmead Hospital, Bristol, UK

(V049) TRANSPALPEBRAL ENDOSCOPIC ASSISTED APPROACH FOR ORBITAL MASS RESECTION: 2-DIMENSIONAL OPERATIVE VIDEO
Michelle S Miller, MD¹; Andrew Janssen, MD¹; Matthew Migneron, MD²; Joseph Lockwood, MD³; ¹Tulane Ochsner Neurosurgery; ²Tulane Otolaryngology; ³Tulane Neurosurgery

(V050) ONE-STAGE SURGICAL RESECTION OF A LEFT SPHENO-ORBITAL MENINGIOMA WITH CUSTOM-MADE PROTHESIS RECONSTRUCTION: A 2-DIMENSIONAL OPERATIVE VIDEO
Edoardo Agosti¹; Lorenzo Gelmini¹; A. Yohan Alexander²; Alessandro Fiorindi¹; Marco Maria Fontanella¹; ¹University of Brescia; ²Mayo Clinic

(V051) RETROSIGMOID RESECTION OF A GIANT LEFT VESTIBULAR SCHWANNOMA IN THE SITTING POSITION
Daniele Starnoni; Danielle Golub; Amir R Dehdashti; Northwell Health

(V052) COMBINED SUPRAORBITAL CRANIOTOMY AND ENDOSCOPIC ENDONASAL APPROACH FOR LEFT ORBITAL OSTEOMA RESECTION
Lucinda Chiu, MD; Glen E D Souza, MD; Nathan Pertsch, MD; Elsa Olson, MD; Kenya M Williams, MD; Peter Revenaugh, MD; Pete Batra, MD; Stephan Munich, MD; Rush University Medical Center

(V053) LARGE PAEDIATRIC TRIGEMINAL SCHWANNOMA RESECTED VIA FRONTOTEMPORAL CRANIOTOMY WITH ZYGOMATIC EXTENSION AND MIDDLE FOSSA APPROACH:2D MICROSURGICAL VIDEO
Rebecca Limb, MBBS, FRACS¹; Mendel Castle-Kirszbaum, MBBS, PhD²; Darius Tan, MBBS²; Annie Chen, MBBS, FRACS¹; Jeremy Kam, MBBS, BMedSc, FRACS²; ¹Department of Paediatric Neurosurgery, Monash Health; ²Department of Neurosurgery, Monash Health

(V054) ENDOSCOPIC ENDONASAL RESECTION OF TUBERCULUM SELLAE MENINGIOMA INVADING THE OPTIC CANAL
Baris Erdogan, MD¹; Erik Burgos-Sosa, MD¹; Yuanzhi Xu, MD¹; Micheal Chang, MD²; Matei Banu¹; Florensa Rodrigues Brasili, MD¹; Vera Vigo, MD¹; Juan Carlos Fernandez-Miranda, Professor¹; ¹Department of Neurosurgery, Stanford University; ²Department of ENT, Stanford University

(V055) ENDOSCOPIC ENDONASAL TRANSCLIVAL RESECTION OF A FORAMEN MAGNUM MENINGIOMA: MASTERING THE INFERIOR CLIVAL CORRIDOR
Marco Antonio Munuzuri-Camacho, MD¹; Maria Fernanda Tejeda-Pineda, MD²; Luis Alberto Ortega-Porcayo, MD³; Marcos V. Sangrador-Deitos, MD⁴; Victor Alcocer-Barradas, MD¹; ¹Neurosurgery Department, National Institute of Neurology and Neurosurgery, Mexico City, Mexico; ²Neurosurgery Department, Baylor College of Medicine, Texas, USA; ³Neurosurgery Department, Hospital Angeles Pedregal, Mexico City, Mexico; ⁴Neurosurgery Department, Hospital Zambrano Hellion, Monterrey, Mexico

(V056) ENDOSCOPIC TRANSORBITAL APPROACH TO MECKEL'S CAVE FOR RESECTION OF TRIGEMINAL SCHWANNOMA: STEPWISE OPERATIVE VIDEO
Raywat Noiphithak, MD¹; Juan Carlos Yanez-Siller, MD, MPH²; ¹Division of Neurosurgery, Department of Surgery, Thammasat University; ²Department of Otolaryngology-Head and Neck Surgery, Emory University

 

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(S245) PREOPERATIVE DIABETES AND POSTOPERATIVE OUTCOMES IN RESECTION OF CEREBRAL MENINGIOMAS: A MULTI-INSTITUTIONAL COHORT STUDY
Alexander Velasquez, BS¹; Miguel Lopez-Gonzalez, MD²; ¹UC Riverside School of Medicine; ²Loma Linda University Health: Department of Neurosurgery

(S246) EXTENT OF RESECTION, KI-67, AND ADJUVANT RADIOTHERAPY PREDICT RECURRENCE AND SURVIVAL IN HIGH-GRADE MENINGIOMAS: A RETROSPECTIVE STUDY OF WHO GRADE II/III TUMORS AT A SINGLE INSTITUTION
Anthony Y Chen, BA; Aneesh P Reddy, BS; Toren Ikea-Mario, BS; Shray Jain, BS, MS; Zhenghao Xiao, MS; Nilanjan Haldar, MD; Rui Feng, MD, MS; James J Evans, MD; Wenyin Shi, MD, PhD; Thomas Jefferson University

(S247) DEVELOPMENT OF A CLINICAL NOMOGRAM TO PREDICT TRIGEMINAL POSTOPERATIVE DYSFUNCTION.
Karen Salmeron-Moreno, MD, MSc; Karthik Papisetty, BA; Chris D Kim; Justin Maldonado, MD; Rommi Kashlan, BS; Hithardhi Duggireddy, MSc; Travis Atchley, MD; Josephine Buclez, MSc; Thomas McCaffery, BS; Jennifer M Kim; Derek Hu; Uday Thakar; Karthik Valiveti; Youssef M Zohdy, MD; Gustavo Pradilla, MD; Tomas Garzon-Muvdi, MD, MSc; Emory University

(S248) HYPEROSTOSIS SUBTYPE AS A RADIOLOGIC SIGNATURE OF TRAF7 MUTATIONS IN MENINGIOMAS
Aymen S Kabir¹; Abraham Dada¹; Wesley Shoap, MD²; Rithvik Ramesh¹; Daniel Quintana¹; Michael A Torres-Espinosa¹; Christian Jimenez¹; Robert C Osorio, MD¹; Kanish Mirchia, MD¹; Charlotte D Eaton, PhD¹; David R Raleigh, MD, PhD¹; Ezequiel Goldschmidt, MD, PhD¹; ¹University of California, San Francisco; ²Louisiana State University

(S249) ARTIFICIAL INTELLIGENCE PREDICTION OF MENINGIOMA GRADE USING PREOPERATIVE MRI: A LARGE MULTICENTER STUDY
Syed M Adil¹; Tanner J Zachem¹; Pranav Warman²; Jihad Abdelgadir¹; Nirav Patel¹; Benjamin D Wissel¹; Kyle M Walsh¹; Christopher J Tralie³; Andreas M Rauschecker⁴; Patrick J Codd¹; Ali Zomorodi¹; Anoop Patel¹; Allan Friedman¹; Timothy W Dunn¹; Evan Calabrese¹; C. Rory Goodwin¹; ¹Duke University; ²Johns Hopkins University; ³Ursinus College; ⁴University of California San Fransisco

(S250) ANGIOGRAPHIC EPICENTER-BASED CLASSIFICATION OF PETROCLIVAL MENINGIOMAS: RATIONALE AND OUTCOMES
Nobuyuki Watanabe¹; Tingting Jiang¹; Arianna Fava¹; Kentaro Watanabe²; Thibault Passeri¹; Sébastien Froelich¹; ¹Lariboisière Hospital; ²Jikei University School of Medicine

(S251) ONCOLOGICAL AND FUNCTIONAL OUTCOME FOR LARGE AND GIANT PETROCLIVAL MENINGIOMA: THE LARIBOISIÈRE EXPERIENCE OF 81 PATIENTS
Arianna Fava¹; Jerold Justo¹; Tingting Jiang¹; Nobuyuki Watanabe¹; Kentaro Watanabe¹; Marc-Antoine Labeyrie²; Vittorio Civelli²; Thibault Passeri¹; Sébastien Froelich¹; ¹Department of Neurosurgery, Hôpital Lariboisière, Assistance Publique - Hôpitaux de Paris, Université Paris Cité, Paris, France; ²Department of Interventional Neuroradiology, Hôpital Lariboisière, Assistance Publique - Hôpitaux de Paris, Université Paris Cité, Paris, France

(S252) VISUAL OUTCOMES FOLLOWING SINGLE VS. TWO-STAGED PETROCLIVAL MENINGIOMA RESECTION: PREDICTORS, RECOVERY TRAJECTORIES, AND CLINICAL IMPLICATIONS
Hithardhi Duggireddy, MS; Rommi Kashlan, BS; J. Manuel Revuelta-Barbero, MD, PHD; Thomas McCaffery, BS; Karen Salmeron-Moreno, MD; Karthik Papisetty, BA; Gustavo Pradilla, MD; Tomas Garzon-Muvdi, MD, MSc; Emory University

 

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(S253) POST-OPERATIVE DAY ONE GLUCOSE LEVELS INCREASE ODDS OF EXTENDED HOSPITALIZATION - A SINGLE-CENTER RETROSPECTIVE ANALYSIS OF 354 PATIENTS FOLLOWING PITUITARY SURGERY
Eric Lassiter¹; Jessica Eaton, MD¹; Chris Seward, MD¹; Tyler Lazaro, MD¹; Thomas Hanks¹; Wenxuan Xiong, PhD¹; Patrick Bi¹; Rya Berrigan¹; Jack Sedwick¹; Rose Wang¹; Kyle Montgomery¹; Kyly Hiatt¹; Ivan Brown¹; Ian Humphreys, DO²; Al-Waleed Abuzeid, MD²; Aria Jafari, MD²; Brent Wisse, MD¹; Manuel Ferreira, MD, PhD¹; Samuel Emerson, MD, PhD¹; Jacob Ruzevick, MD¹; ¹University of Washington Department of Neurological Surgery; ²University of Washington Department of Otolaryngology/Head and Neck Surgery

(S254) AGE-RELATED DIFFERENCES IN PRE-OPERATIVE CHARACTERISTICS, INVASION, AND IMMUNOSTAINING AMONG A LARGE COHORT OF PATIENTS UNDERGOING ENDOSCOPIC, ENDONASAL RESECTION OF PITUITARY ADENOMA
David J Cote, MD, PhD; Robert G Briggs, MD; Gabriel Zada, MD; University of Southern California

(S255) IMPACT OF OVERWEIGHT AND OBESITY ON OUTCOMES FOLLOWING ENDOSCOPIC TRANSSPHENOIDAL SURGERY FOR PITUITARY ADENOMAS: AN INTERNATIONAL MULTICENTER DATABASE STUDY
Niraj Rama, BS¹; Rahim Abo Kasem, MD¹; Philip Ostrov, MD¹; Maunil Mullick, BS¹; Arshi Kaur, BS, MS¹; Charles Froman-Glover, BS¹; Isaac J Abecassis, MD¹; Norberto Andaluz, MD²; Dale Ding, MD¹; Akshitkumar Mistry, MD¹; Brian J Williams, MD¹; ¹University of Louisville School of Medicine; ²University of Cincinnati

(S256) COMPLICATIONS, INTERVENTIONS, AND EMERGENCY UTILIZATION AFTER ENDOSCOPIC ENDONASAL SURGERY: A NATIONAL COHORT ANALYSIS
Jennifer S Lee, BS¹; Claire E Perrin, BS¹; Omer Baker, BS¹; Thomas L Beaumont, MD, PhD²; Adam S DeConde, MD³; Carol H Yan, MD³; ¹University of California San Diego School of Medicine, La Jolla, CA USA; ²Department of Neurosurgery, University of California San Diego, La Jolla, CA USA; ³Department of Otolaryngology-Head and Neck Surgery, University of California San Diego, La Jolla, CA USA

(S257) RISK FACTORS FOR CENTRAL DIABETES INSIPIDUS AFTER PITUITARY SURGERY: INSIGHTS FROM A MULTI-INSTITUTIONAL ANALYSIS OF 9,290 PATIENTS
Abdulghafoor Alani; Emma J Anisman; Daniel Uralov, MD; Marc Rosen, MD; Mindy Rabinowitz, MD; Elina Toskala, MD, PhD, MBA; James J Evans, MD; Gurston G Nyquist, MD; Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia PA, USA

(S258) CLINICAL IMPACT OF PSEUDOCAPSULE DISSECTION ON EARLY CORTISOL SUPPRESSION AND LENGTH OF STAY IN CUSHING'S DISEASE
Jared Chung, BS¹; Georgios Maragkos, MD²; Georgios Mantziaris, MD²; Gregory Hong, MD³; Erica Giraldi, MD³; Michael Catalino, MD²; Yamini Sterrett, MD⁴; John Jane Jr, MD⁵; ¹University of Virginia School of Medicine; ²University of Virginia Department of Neurosurgery; ³University of Virginia Department of Endocrinology; ⁴Carilion Clinic Department of Endocrinology; ⁵Carilion Clinic Department of Neurosurgery

(S259) REMISSION RATES IN REPEAT ENDOSCOPIC TRANSSPHENOIDAL SURGERY FOR RECURRENT GROWTH HORMONE SECRETING PITUITARY ADENOMA
Drew A Thibault, DO¹; Christine K Lee, MD, PhD²; Juan Carlos Fernandez-Miranda, MD, FACS³; Karam Asmaro, MD¹; ¹Corewell William Beaumont University Hospital; ²The Warren Alpert Medical School of Brown University; ³Stanford Brain Tumor, Skull Base, and Pituitary Centers

(S260) CLINICAL AND RADIOMIC-DERIVED FEATURES PREDICT HYPONATREMIA AFTER PITUITARY ADENOMA RESECTION
Mohammad Hamo, BS¹; Dhanush Amin, MD¹; Yifei Sun, BA¹; Alexander Mullen, MD¹; Hariteja Ramapuram, BS¹; Michael E Ivan, MD, MBS²; Carolina G Benjamin, MD²; Kristen Riley, MD¹; Elizabeth Liptrap, MD¹; Dagoberto Estevez-Ordonez, MD, PhD²; ¹University of Alabama, Birmingham; ²Univeristy of Miami

 

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(S261) MOTOR IMPROVEMENT AFTER PREOPERATIVE EMBOLIZATION FOR SKULL BASE MENINGIOMA: A RETROSPECTIVE COHORT STUDY
Hithardhi Duggireddy, MS; Rommi Kashlan, BS; Thomas McCaffery, BS; J. Manuel Revuelta-Barbero, MD, PHD; Karen Salmeron-Moreno, MD; Karthik Papisetty, BA; Gustavo Pradilla, MD; Tomas Garzon-Muvdi, MD, MSc; Emory University

(S262) EVALUATING THE CLINICAL COURSE OF SPORADIC MENINGIOMATOSIS
Asad M Lak, MD¹; Ziyan Zhang, BA²; Shree Pari, BS²; Jeremy Greenlee, MD¹; Albert H Kim, MD, PhD²; Bhuvic Patel, MD²; ¹University of Iowa; ²Washington University, St. Louis

(S263) IMPACT OF WOUND CLOSURE TECHNIQUE ON POSTOPERATIVE OUTCOMES FOLLOWING CEREBELLOPONTINE ANGLE TUMOR RESECTION: A RETROSPECTIVE COHORT STUDY
Brandon Zsigray, MD¹; Maria I Burritt St. Angelo, BS¹; Andrew Ghannad, BS¹; Angeli Mittal, MS²; Caitlin Kacena, BS²; Michael Egozi, BS²; Andre Payman, MD¹; Zachary Uram, MD¹; Vikram Prabhu, MD¹; Douglas E Anderson, MD¹; Anand Germanwala, MD¹; ¹Loyola University Medical Center; ²Loyola Stritch School of Medicine

(S264) TRIGEMINAL NERVE OUTCOMES IN PETROCLIVAL MENINGIOMAS: IMPACT OF TUMOR BURDEN AND SURGICAL STAGING
Hithardhi Duggireddy, MS; J. Manuel Revuelta-Barbero, MD, PHD; Rommi Kashlan, BS; Thomas McCaffery, BS; Karen Salmeron-Moreno, MD; Karthik Papisetty, BA; Gustavo Pradilla, MD; Tomas Garzon-Muvdi, MD, MSc; Emory University

(S265) INFERIOR AND LATERAL ACCESS TO THE PETROUS APEX: A COMPARATIVE ANATOMICAL STUDY OF THE TRANSORAL AND CONTRALATERAL TRANSMAXILLARY APPROACHES
Sandhya R Palit, MD^1,2; Rosaria V Abbritti, MD^1,2,3; Florian Moser, MD^1,2,4; Yohan Alexander, MD^1,2; Luciano CPC Leonel, PhD^1,2,5; Jake Eide, MD⁶; Maria Peris-Celda, MD, PhD^1,2,5; Jamie J Van Gompel, MD^1,2,5; ¹Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA; ²Mayo Clinic Rhoton Neurosurgery and Otolaryngology Surgical Anatomy Program, Rochester, Minnesota, USA; ³Department of Neurologic Surgery, Lariboisière University Hospital, Université Paris Cite, Paris, France; ⁴Paracelsus Medical University, Salzburg, Austria; ⁵Department of Clinical Anatomy, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, US; ⁶Department of Otolaryngology-Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota, USA

(S266) MALIGNANT PERIPHERAL NERVE SHEATH TUMORS OF THE SKULL BASE: THE MAYO CLINIC COHORT
Danielle D Dang, MD, MA; Daniela Stastna, MD, MPhil; Michael Link, MD; Jamie Van Gompel, MD; Mayo Clinic Rochester

(S267) ASSESSMENT OF MOLECULAR TOOLS IN PEDIATRIC, ADOLESCENT AND YOUNG ADULT MENINGIOMA HIGHLIGHTS THE NEED FOR LIFESPAN PRECISION IN NEURO-ONCOLOGY
Leo S Yefet¹; Alex Landry¹; Justin Wang¹; Jeff Liu²; Vikas Patil²; Chloe Gui¹; Andrew Ajisebutu¹; Yosef Ellenbogen¹; Yasin Mamatjan³; Rebecca Yakubov¹; Ramneet Kaloti¹; Phooja Persaud¹; Qingxia Wei²; Olivia Singh²; Sheila Mansouri²; Severa Bunda²; Aaron A Cohen-Gadol⁴; Ghazaleh Tabatabai⁵; Marcos Tatagiba⁵; Felix Behling⁵; Jill S Barnholtz-Sloan⁶; Andrew E Sloan⁷; Silky Chotai⁸; Lola B Chambless⁸; Alireza Mansouri⁹; Sameer Agnihotri¹⁰; Serge Makarenko¹¹; Stephen Yip¹¹; Derek S Tsang²; Kenneth Aldape⁶; Andrew Gao²; Farshad Nassiri²; Gelareh Zadeh¹²; ¹University of Toronto; ²University Health Network; ³Thompson Rivers University; ⁴Keck School of Medicine; ⁵Eberhard Karls University Tübingen; ⁶National Cancer Institute; ⁷Piedmont Brain Tumor Center; ⁸Vanderbilt University Medical Center; ⁹Penn State Milton S. Hershey Medical Center; ¹⁰University of Pittsburgh; ¹¹University of British Columbia; ¹²Mayo Clinic

(S268) FIRST ARTIFICIAL INTELLIGENCE SYSTEM TO SUPPORT CLINICAL DECISION MAKING FOR PATIENTS WITH VESTIBULAR SCHWANNOMAS
Douglas Kondziolka, MD; Jolene Singh, MD; Kristin Akister, MD, PhD; John Golfinos, MD; Eric Oermann, MD; NYU

(S269) INSTITUTION-SPECIFIC MACHINE LEARNING ALGORITHM FOR PREDICTING FACIAL NERVE OUTCOMES IN PATIENTS UNDERGOING MICROSURGERY FOR RESECTION OF VESTIBULAR SCHWANNOMA
Sabrina M Heman-Ackah, MD, DPhil, Oxon, MSE¹; Kaasinath Balagurunath¹; Selena E Briggs, MD, PhD, MBA, FACS, FACHE²; Rachel Blue, MD³; Christina Jackson, MD³; John Lee, MD³; Georgios Zenonos, MD⁴; Paul Gardner, MD⁴; Rania A Mekary, PhD, MS, MSc⁵; Eduardo Corrales¹; Timothy R Smith, MD, PhD, MPH¹; ¹Mass General Brigham; ²Georgetown MedStar Washington Hospital Center; ³University of Pennsylvania; ⁴University of Pittsburggh; ⁵Massachusetts College of Pharmacy and Health Sciences

 

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(V057) ENDOSCOPIC TRANSCLIVAL APPROACH TO VENTRAL CERVICOMEDULLARY JUNCTION PILOCYTIC ASTROCYTOMA
Giyarpuram Prashant, MD¹; Rijul Kshirsagar²; ¹Kaiser Permanente Redwood City; ²Mayo Clinic

(V058) LSR-GUIDED MICROVASCULAR DECOMPRESSION FOR HEMIFACIAL SPASM
Tina Wang, MA; Timothy R Miller, MD; Dheeraj Gandhi, MBBS; Mohamed Labib, MD; University of Maryland School of Medicine

(V059) ENDOSCOPIC TRANSORBITAL APPROACH FOR RESECTION OF RIGHT AMYGDALOHIPPOCAMPAL GLIOMA
Claudia Restrepo, MD¹; Béatrice Voizard, MD, MSc, FRCSC²; Sami Obaid, MD, PhD, FRCSC³; Pascal Lavergne, MD, FRCSC⁴; ¹Division of Neurosurgery, Montreal Sacred Heart Hospital, Montreal University, Montréal, Quebec, Canada; ²Division of Otolaryngology-Head and Neck surgery, department of surgery, Montreal Sacred Heart Hospital, Montréal, Quebec, Canada; ³Division of Neurosurgery, Department of Surgery, University of Montreal Hospital Center (CHUM), Montréal, Quebec, Canada; ⁴Division of Neurosurgery, department of Surgery, Montreal Sacred Heart Hospital, Montréal, Quebec, Canada

(V060) ENDOSCOPIC ENDONASAL TRANS-ODONTOID RESECTION OF ANTERIOR C2 PANUS SECONDARY TO CHRONIC ODONTOID TYPE II FRACTURE WITH ACUTE EXACERBATION OF SPINAL CORD COMPRESSION: TECHNICAL NUANCES
Mehdi Khaleghi, MD; Brandon Kaye, MD; Asa Barnett; Tessa Allen; Garrett Dyess; Ursula Hummel, PA; Marc Manix, MD; Richard Menger, MD; Jai D Thakur, MD; University of South Alabama Neurosurgery Department

(V061) MULTI CORRIDOR APPROACH TO COMPLEX SPONTANEOUS MULTIPLE RECURRENT CSF LEAK IN PAEDIATRIC PATIENT
Mahmoud Y Assad, FRCS Nsurg¹; Evangelos Drosos, FRCS Nsurg¹; Jayakar Nayak, MD, PhD²; Kumar Abhinav, BSc, Hons, MBBS, MD, FRCS Nsurg¹; Warren O Bennett, MBBS, MA, Oxon, DOHNS, FRCS, ORLHNS³; ¹Bristol Institute of Clinical Neurosciences, Department of Neurosurgery, Southmead Hospital, Bristol, UK; ²Stanford Otolaryngology - Head & Neck Surgery; ³Department of ENT, St Michael's Hospital, Bristol

(V062) TRANSCRANIAL MINIMALLY INVASIVE ENDOSCOPIC ASSISTED RESECTION OF A TUBERCULUM SELLAE MENINGIOMA AND OPTIC NERVE DECOMPRESSION
Justin Z Wang, MD, PhD¹; Bianka Bezuidenhout¹; Wissam Al Mugheiry²; Ivan Radovanovic²; Farshad Nassiri, MD, PhD²; ¹The University of Toronto; ²University Health Network

(V063) TWO-STAGE APPROACH FOR OLFACTORY GROOVE MENINGIOMA: CASE ILLUSTRATION
Matthieu D Weber, BSc; James C Mamaril-Davis, MD; Mark A Damante, MD; Daniel M Prevedello, MD; The Ohio State University

(V064) ENDOSCOPIC ENDONASAL RESECTION OF A PEDIATRIC SUPRASELLAR EPIDERMOID CYST: VIDEO CASE
Xiaochun Zhao, MD; Beste Gulsuna; Jeffrey A Zuccato; Ian F Dunn; University of Oklahoma Health Sciences Center

(V065) EXPANDED ENDOSCOPIC ENDONASAL (EEA) APPROACH FOR RESECTION OF A PARTLY CALCIFIED PEDIATRIC CYSTIC CRANIOPHARYNGIOMA
Mahmoud Asad, MD, FRCS¹; Camille K Milton, MD²; Cristina Cernei, MD, MRCS¹; Evangelos Drosos, MD¹; Will Singleton, MD, PhD, FRCS¹; Richard Edwards, MD, FRCS¹; Warren Bennett, MD, FRCS¹; Kumar Abhinav, MD, FRCS¹; ¹Bristol Institute of Clinical Neurosciences, Department of Neurosurgery, Southmead Hospital, Bristol, UK; ²University of Tennessee, Semmes Murphey Clinic, Department of Neurosurgery, Tennessee, USA

 

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(V068) TEMPORAL CRANIOTOMY AND TRANS-TENTORIAL APPROACH FOR RESECTION OF LARGE SUPRA AND INFRA-TENTORIAL WHO GRADE 3 SOLITARY FIBROUS TUMOR
Allison C Medina, MD; Paul Marcet, MD; Omaditya Khanna, MD; John A Wilson, MD; Wake Forest Neurological Surgery

(V069) ENDOSCOPIC ENDONASAL TRANSTUBERCULUM RESECTION OF SUPRAGLANDULAR RATHKE'S CLEFT CYST WITH COMPLETE STALK INVOLVEMENT: TECHNICAL NUANCES
Mehdi Khaleghi, MD; Garrett Dyess; Adnan Shahid; Asa Barnett; Ursula Hummel; Jai D Thakur, MD; University of South Alabama Neurosurgery Department

(V070) ENDOSCOPIC ENDONASAL CLIPPING OF PARACLINOID ANEURYSM LATERAL TO OPTIC NERVE - SURGICAL TECHNIQUE AND TECHNICAL NUANCES
M. Salman Ali, MD; Lydia Kaoutazani, MD; Luca Debs, MD; Christopher Carr, MD; Shannon Derthick; Kenneth Byrd, MD; David Baker, MD; Dan-Victor Giurgiutiu, MD; Fernando Vale, MD; Medical College of Georgia at Augusta University

(V071) ENDOSCOPIC TRANSORBITAL APPROACH FOR A SPHENO-ORBITAL MENINGIOMA WITH FULL-LENGTH OPTIC NERVE DECOMPRESSION
Guilherme Gago, MD; Yousef Odeibat, MD; Annie Moreau, MD; Pierre-Olivier Champagne, MD, PhD; Université Laval

(V072) COMBINED ENDONASAL AND TRANSORBITAL APPROACH TO INVERTED PAPILLOMA RESECTION
Rory J Lubner, MD; Angela J Oh, MD; Won Kim, MD; Robert A Goldberg, MD; Jivianne K Lee, MD; University of California, Los Angeles

(V073) PRE-AURICULAR SUBTEMPORAL APPROACH TO A MIDDLE FOSSA PARAGANGLIOMA WITH INFRATEMPORAL EXTENSION
Wesley Shoap; Neil Jackson; Daniel Nuss; Frank Culicchia; LSU New Orleans Department of Neurosurgery

 

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(S270) ERAS ELIMINATES INTRAOPERATIVE KETOROLAC, INCREASES NSAID USE, AND REDUCES EARLY POSTOPERATIVE OPIOIDS WITHOUT WORSENING PAIN AFTER TRANSSPHENOIDAL SURGERY
Oumou Kalsoum Mbacke, MSII; Heran Solomon Tadesse, MSII; Afua Sekyere Nyantakyi, MSII; Zaynab Dantsoho, MSII; Spencer Payne, MD; Jose Mattos, MD, MPH; Melike Mut Askun, MD, PhD; Michael P Catalino, MD, MSc; University of Virginia Medical Center

(S271) THE RISK ANALYSIS INDEX OUTPERFORMS THE MODIFIED FRAILTY INDEX IN PREDICTING POSTOPERATIVE COMPLICATIONS IN SKULL BASE SURGERY
Akshay K Warrier¹; Ryan Bartholomew, MD²; Daniel J Lee, MD, FACS²; ¹Rutgers New Jersey Medical School; ²Massachusetts Eye and Ear

(S272) FRAILTY STRATIFICATION BY THE MFI-5 INDEX PREDICTS SERIOUS COMPLICATIONS IN CHORDOMA SURGERY
Mahlet A Mekonnen¹; Gabrielle Hovis²; Anubav Chandla¹; Aryan Pandey¹; Isaac Yang¹; ¹UCLA, Department of Neurosurgery; ²Barrow Neurological Institute

(S273) STAKEHOLDER ANALYSIS REVEALS KEY PATIENT PRIORITIES FOR SELLAR/PARASELLAR AND ANTERIOR SKULL BASE RESECTIONS
Mack J Tempero, BS¹; Amabir S Gill, MD²; Nicole Keller, BS¹; Philip Chen, MD³; Toby O Steele, MD⁴; Jose L Mattos, MD, MPH⁵; Dennis Menjivar, BS¹; Benton Tullis, MD¹; Jeremiah A Alt, MD, PhD¹; ¹University of Utah, Department of Otolaryngology - Head and Neck Surgery; ²University of Michigan, Department of Otolaryngology - Head and Neck Surgery; ³University of Texas Health San Antonio, Department of Otolaryngology - Head and Neck Surgery; ⁴University of California Davis, Department of Otolaryngology - Head and Neck Surgery; ⁵University of Virginia, Department of Otolaryngology - Head and Neck Surgery

(S274) QUALITY OF LIFE OUTCOMES OF SUBPERINEURAL ONION-PEELING DISSECTION FOR MICROSURGICAL RESECTION OF VAGAL PARAGANGLIOMAS
Caryn J Ha, MSc¹; Shrey B Shah, BA¹; Raj Malhotra, MD¹; Rachel Kaye, MD, FACS¹; James K Liu, MD, FAANS, FACS²; ¹Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA; ²Department of Neurosurgery, Cooperman Barnabas Medical Center, RWJ Barnabas Health, Livingston, New Jersey, USA

(S275) CHARACTERIZATION OF QUALITY-OF-LIFE OUTCOMES FOLLOWING ENDOSCOPIC TRANSSPHENOIDAL SURGERY, A MULTI-CENTER ANALYSIS
Vivienne Li, BA¹; Jack Olmstead, PhD¹; Thomas Beaumont, MD, PhD²; Adam DeConde, MD³; Carol Yan, MD³; ¹University of California San Diego School of Medicine, La Jolla, CA USA; ²Department of Neurosurgery, University of California San Diego, La Jolla, CA USA; ³Department of Otolaryngology-Head and Neck Surgery, University of California San Diego, La Jolla, CA USA

(S276) PATIENT-REPORTED OUTCOMES OF BOTULINUM TOXIN TREATMENT IN HEMIFACIAL SPASM: SYMPTOM CONTROL AND QUALITY OF LIFE
Hyunseok Lee, MD, MSc; Kwan Park, MD, PhD; Konkuk University Medical Center

(S277) A NOVEL COMPREHENSIVE, GENERALIZABLE AND MULTI-MODAL PROTOCOL TO REDUCE OPIOID UTILIZATION FOLLOWING ENDOSCOPIC ENDONASAL SURGERY - A SINGLE INSTITUTION PILOT STUDY
Walavan Sivakumar; Matthew Pelletier, BS; Jian Guan, MD; Jean-Philippe Langevin, MD; Marcus Mazur, MD; Garni Barkhoudarian, MD; Neil Martin, MD; Daniel F Kelly, MD; Michael Yong, MD; Chester Griffiths, MD; Pacific Neuroscience Insitute

(S278) A DOUBLE-BLIND, RANDOMIZED, PLACEBO-CONTROLLED TRIAL OF OLFACTORY TRAINING FOLLOWING PARASELLAR ENDOSCOPIC SKULL BASE SURGERY
Michael Z Cheng, MD¹; Evelyn Chang¹; Joon Soo Kim¹; Sahar Assi, MD¹; Rachel Stemme¹; Wassim Najjar, MD¹; Varun Vohra, MD¹; Debraj Mukherjee, MD, MPH²; Nicholas R Rowan, MD¹; ¹Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins Medicine; ²Department of Neurosurgery, Johns Hopkins Medicine

(S279) ENHANCED RECOVERY PROTOCOLS REDUCE LENGTH OF STAY AND READMISSION RATE AFTER ENDOSCOPIC ENDONASAL RESECTION OF PITUITARY ADENOMAS
Carter M Suryadevara, MD; Rajeev Sen, MD; Akshay Save, MD; Kristen Marciniuk; Richard Lebowitz; Seth Lieberman; Carlos Pinheiro-Neto; Dimitris Placantonakis; Chandra Sen; John Golfinos; Donato Pacione; NYU Langone Health

 

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(S280) TARGETING BRAF V600E IN PAPILLARY CRANIOPHARYNGIOMA: CLINICAL EFFICACY AND SAFETY OF COMBINED BRAF-MEK INHIBITION
Beste Gulsuna¹; Baylee Stevens¹; Belda Gülsuyu²; Ethan Wood³; Timurhan Aksoy⁴; Erika Santos Horta¹; Ian F Dunn¹; Christopher S Graffeo¹; ¹University of Oklahoma Health Science Center; ²University of California, San Francisco; ³College of Osteopathic Medicine, Oklahoma State University; ⁴Dokuz Eylül University Faculty of Medicine

(S281) ASSOCIATION BETWEEN PITUITARY ADENOMA EXCISION AND RISK OF CEREBROVASCULAR DISEASE IN CUSHING'S DISEASE: A PROPENSITY SCORE MATCHED ANALYSIS
Ryan S Chung, BA; David J Cote, MD, PhD; Robert G Briggs, MD; Ishan Shah, BS; David Gomez, BS; Benjamin Fixman, PhD; Keiko M Kang, MD; Michelle Lin, MD; William Zeng, BS; Jonathan Sisti, MD; John D Carmichael, MD; Gabriel Zada, MD, MS; Keck School of Medicine of USC

(S282) PROGNOSTIC IMPACT OF KI-67 INDEX AND TUMOR SIZE ON STRUCTURAL OUTCOMES IN NONFUNCTIONING PITUITARY NEUROENDOCRINE TUMORS
Edgar G. Ordonez-Rubiano¹; Laura Baeza-Antón²; Carlos E. Jimenez-Canizales²; Juan Andrés Salas Henao¹; Gabriela Ballesteros Oviedo¹; Johan Estiven Vargas-Vargas¹; Rafael Parra-Medina¹; William Rojas García¹; ¹University Foundation of Health Sciences: Fundacion Universitaria de Ciencias de la Salud Bogota, Cundinamarca COLOMBIA; ²Hospital Comarcal de Melilla, Melilla, Spain

(S283) ANATOMIC CONSIDERATIONS IN ACROMEGALIC PATIENTS: A MULTICENTER COHORT STUDY
Elizabeth Escamilla-Chávez, MD¹; Misael Salazar-Alejo, MD²; Marcos V Sangrador-Deitos, MD²; Juan L Gomez-Amador, MD³; ¹ISSEMYM Medical Center, Toluca, Mexico; ²Department of Neurological Surgery, Centro Médico Zambrano-Hellion, TecSalud, San Pedro Garza García, Mexico; ³National Institute of Neurology and Neurosurgery "Manuel Velasco Suárez", Mexico city, Mexico

(S284) APPLICATION OF MULTIMODAL IMAGING INTEGRATING DIFFUSION TENSOR IMAGING (DTI) IN CRANIOPHARYNGIOMA: ENHANCING PREOPERATIVE SURGICAL PLANNING
Hongwei Yu¹; Yuanzhi Xu²; Haochen Yan¹; Qiaochu Liu¹; Cheng Gao¹; ¹Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China; ²Department of Neurosurgery, Stanford Hospital, Stanford, California

(S285) COMPREHENSIVE COMPUTED TOMOGRAPHIC ANALYSIS OF THE SPHENOID OSTIUM FOR ENDOSCOPIC TRANSSPHENOIDAL SURGERY PLANNING
Jonathan Ortiz- Rafael; Isaac Jair Palacios-Ortiz, MD; Arturo Sotomayor-Gonzalez, MD; University Hospital "Dr. José Eleuterio Gonzalez", UANL

(S286) PRESENTATION AND SURGICAL OUTCOMES OF SURGICALLY TREATED HEMORRHAGIC RATHKE'S CLEFT CYSTS
Rya W Berrigan, BS; Jack Sedwick, BA; Chris Seward, MD; Tyler Lazaro, MD; Kyly Hiatt, BA; Thomas Hanks, BS; Kyle Montgomery; Eric Lassiter; Jessica Eaton, MD; Dominic Nistal, MD; Brent Wisse, MD; Ian Humphreys, DO; Waleed Abuzeid, MD; Aria Jafari; Manuel Ferreira, MD; Samuel Emerson, MD; Jacob Ruzevick, MD; University of Washington

(S287) PITUITARY APOPLEXY MANAGED WITHOUT IMMEDIATE SURGERY: A CASE SERIES HIGHLIGHTING CLINICAL AND RADIOGRAPHIC FEATURES ASSOCIATED WITH CONSERVATIVE SUCCESS
Maxwell A Marino, DO, MPH¹; Ali O Jamshidi, MD²; ¹Riverside University Health System; ²Kaiser Permanente Woodland Hills Medical Center

(S288) SURGICAL MANAGEMENT OF OPTIC PATHWAY-HYPOTHALAMIC GLIOMAS: INSTITUTIONAL EXPERIENCE AND SYSTEMATIC REVIEW
Julian D Brown¹; Diwas Gautam¹; Farshad Nassiri, MD, PhD²; Robert C Rennert, MD¹; William T Couldwell¹; ¹University of Utah; ²University of Toronto

 

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(S289) SURGICAL ACCESS TO THE INFEROMEDIAL PONS: ANATOMICAL STUDY OF THE GLOSSOPHARYNGEAL-COCHLEAR TRIANGLE THROUGH STANDARD AND EXTENDED RETROSIGMOID APPROACHES
Kivanc Yangi, MD¹; Egemen Gok¹; Sahin Hanalioglu, MD, PhD²; Hilal A Aktas, MD, PhD³; Jack T Olson, BS¹; Jarett E Prince, BS¹; Kashif Qureshi, MS¹; Michael T Lawton, MD¹; Mark C Preul, MD¹; ¹Barrow Neurological Institute; ²Department of Neurosurgery, Hacettepe University Medical Faculty; ³Department of Anatomy, Hacettepe University Medical Faculty

(S290) POSTOPERATIVE EPISTAXIS AFTER ENDOSCOPIC ENDONASAL APPROACHES: A 10-YEAR SINGLE-CENTER EXPERIENCE OF 1,100 CASES
Yu-Wen Huang, MD; Taipei Veterans General Hospital

(S291) A NOVEL RECONSTRUCTIVE TECHNIQUE FOR NASAL LINING IN PARTIAL RHINECTOMY DEFECTS UTILIZING THE ANTERIOR ETHMOID ARTERY PEDICLED ROTATIONAL FLAP
Kelly E Daniels, MD; Eric W Wang, MD; UPMC

(S292) PREDICTING SURGICAL OUTCOMES IN SUPERIOR SEMICIRCULAR CANAL DEHISCENCE USING MACHINE LEARNING
Aryan Pandey; Anubhav Chandla; Mahlet Mekonnen; Laila Khorasani; Simon Han; Quinton S Gopen; Isaac Yang; UCLA

(S294) INDICATIONS AND LIMITATIONS OF ENDOSCOPIC TRANSNASAL SURGERY FOR POSTERIOR FOSSA INTRADURAL TUMORS: INSIGHTS FROM 53 CASES
Hirotaka Hasegawa, MD, PhD¹; Masahiro Shin, MD, PhD²; Shunya Hanakita, MD, PhD¹; Hideaki Ono, MD, PhD³; Yuki Shinya, MD, PhD³; Motoyuki Umekawa, MD³; Satoshi Koizumi, MD³; Naoyuki Shono, MD, PhD³; Taichi Kin, MD, PhD³; Nobuhito Saito, MD, PhD³; ¹Saitama Medical Center, Saitama Medical University; ²Teikyo University; ³The University of Tokyo

(S295) TRAP DOOR INFERIOR TURBINATE TRANSPOSITION FOR ENDOSCOPIC MEDIAL MAXILLECTOMY AND SKULL BASE ACCESS
Amreen B Karim; Ivan El-Sayed; University California San Francisco

(S296) INTRAOPERATIVE TRIGEMINAL SOMATOSENSORY EVOKED POTENTIAL MONITORING DURING SKULL BASE SURGERY
James T McMahon, MD¹; Matthew Toczylowski²; Casey Jarvis, MD¹; Mitali Bose²; Wenya L Bi, MD, PhD¹; ¹Brigham and Women's Hospital; ²Specialty Care, SpecialtyCare, Intraoperative Neuromonitoring

(S297) ADVERSE EVENTS ASSOCIATED WITH THE AQUAMANTYS BIPOLAR SEALER IN ENDOSCOPIC SURGERY
Sarah Yang, BS; Sabrina Nusraty, BS; Jane Tong, MD; Mohammed Labib, MD; Andrea Hebert, MD; University of Maryland School of Medicine