2025 Poster Presentations

 

 

(P003) THERAPEUTIC TARGETING OF HYPOXIA-INDUCIBLE FACTORS IN HEAD AND NECK SQUAMOUS CELL CARCINOMA (HNSCC)
Elizabeth E Wicks, MD¹; Shaima Salman, PhD²; Gregg Semenza, MD, PhD²; ¹The University of Vermont Medical Center; ²Johns Hopkins University Medical Center

 

(P004) PAPILLARY CRANIOPHARYNGIOMA MANAGEMENT IN THE ERA OF BRAF AND MEK INHIBITION
Mark A Damante, MD¹; Santino Cua¹; Dan Kreatsoulas¹; Pierre Giglio²; Luma Ghalib³; Chandrima Biswas³; Kyle C Wu¹; Daniel Prevedello¹; ¹The Ohio State University Department of Neurosurgery; ²The Ohio State University Department of Neurology; ³The Ohio State University Division of Endocrinology

 

(P005) QUANTITATIVE IDENTIFICATION OF THE SUPRAORBITAL NERVE IN SUPRAORBITAL TRANSCILIARY KEYHOLE APPROACH: ACCURACY ANALYSIS AND SURGICAL IMPLICATION OF THE MEDIAL SUPRAORBITAL TRIANGLE
Mehdi Khaleghi, MD¹; Kyle Wu¹; Jai D Thakur²; Daniel M Prevedello¹; ¹Ohio State University, Wexner Medical Center; ²Department of Neurosurgery, University of South Alabama

 

(P006) TRAUMATIC GLOBE SUBLUXATION INTO THE PARANASAL SINUSES: A CASE REPORT AND LITERATURE REVIEW
Henry Bair, MD; Bryce Hwang, MD; Jaqueline R Carrasco, MD; Wills Eye Hospital, Philadelphia, PA

 

(P007) EPIDEMIOLOGIC TRENDS IN ORBITAL AND FACIAL FRACTURES ASSOCIATED WITH TELEVISION AND COMPUTER DEVICES
Henry Bair, MD; Ugochi T Aguwa, MD; Jacqueline R Carrasco, MD; Wills Eye Hospital, Philadelphia, PA

 

(P008) FISH SKIN TO RECONSTRUCT ORBIT FOLLOWING RESECTION OF ANTERIOR SKULL BASE TUMOR
Jibran A Sharieff, MD¹; Cole McDonald, BS¹; Edward El Rassi, MD²; Christopher Graffeo, MD³; Jeremy Tan, MD¹; ¹Dean McGee Eye Institute; ²University of Oklahoma, Department of Otolaryngology; ³University of Oklahoma, Department of Neurosurgery

 

(P009) EXPLORING VIDIAN NERVE SCHWANNOMAS, A CASE REPORT AND LITERATURE REVIEW.
Maryam Aljneibi; Maryam Aljawi; Mahdi Shkoukani; Mohamed Elhammady; Florian Roser; Cleveland Clinic Abu Dhabi

 

(P010) GUNSHOT WOUNDS TO THE FACE IN PEDIATRIC PATIENTS AT A LEVEL ONE TRAUMA CENTER IN THE UNITED STATES: A CASE SERIES
Christopher M Maatouk, MD; Arjav Shah, MD; Hassan A Shah, MD; University of Chicago Medical Center Department of Ophthalmology

 

(P013) ENDOSCOPIC APPROACHES TO THE ORBIT: TRANSNASAL AND TRANSORBITAL, A CASE SERIES
Cesare Zoia¹; Giorgio Mantovani²; Elisabetta Peppucci¹; Andrea Montalbetti¹; Giogia Piras¹; Roada Bucpapaj¹; Pasquale De Bonis²; Fabio Pagella³; Giannatonio Spena⁴; ¹Ospedale Moriggia Pelascini, Gravedona, Italy; ²University of Ferrara, Ferrara, Italy; ³University of Pavia, Pavia, Italy; ⁴IRCCS Fondazione Policlinico San Matteo, Pavia, Italy

 

(P014) TRANSORBITAL APPROACH TO SURGICAL RESECTION FOR A FAR-LATERAL FRONTAL SINUS OSTEOMA
Leah T Rosen, MS; Gabriella Schmuter, MD; Sruti Akula, MD; Shanlee Stevens, MD; Celestine Gregerson; Michael J Ye, MD; Abtin Tabaee; Kyle J Godfrey; Weill Cornell Medical College

 

(P015) CADAVERIC STEP-BY-STEP ENDOSCOPIC TRANSORBITAL APPROACH TO THE CAVERNOUS SINUS
Renan Lovato; Feng Cai; Abdullah Keles; Ufuk Erginoglu; Mustafa Baskaya; University of Wisconsin Madison

 

(P016) ENDOSCOPIC TRANSORBITAL ANTERIOR CLINOIDECTOMY: A CADAVERIC STUDY
Renan Lovato, MD; Feng Cai; Abdullah Keles; Ufuk Erginoglu; Mustafa Baskaya; University of Wisconsin Madison

 

(P017) A RARE EROSIVE SPHENOID SINUS ORGANIZED HEMATOMA RESULTING IN EPISTAXIS AND DIPLOPIA: A CASE REPORT AND REVIEW OF THE LITERATURE
Eliot J Martin, PAC; Eric J Paget, PAC; Carlos Pinheiro Neto, MD, PhD; Mayo Clinic

 

(P018) COMPARISON OF THE RADIOTHERAPY TECHNIQUES FOR THE TREATMENT OF OCULAR MELANOMA
He Wang; Fahed Alsanea; Amy Catherine Moreno; Dong Joo Rhee; Surendra Prajapati; William Morrison; Parmeswaran Diagaradjane; Dragan Mirkovic; Tina Marie Briere; Rachel Hunter; Jack Phan; Anna Lee; University of Texas M.D. Anderson Cancer Center

 

(P019) SPHENO-TUBERCULAR-PLANUM MENINGIOMAS WITH VISION CHANGES - IMPORTANCE OF OPTIC NERVE DECOMPRESSION IN OPTIC CANAL
M. Salman Ali, MD; Kenneth Byrd, MD; Fernando Vale, MD; Medical College of Georgia at Augusta University

 

(P020) ENDOSCOPIC ENDONASAL APPROACH IN ESTHESIONEUROBLASTOMA: EFFICACY, PROGNOSIS, AND RECURRENCE RATES
Rodrigo Cavalcante, MD, PhD; Luiz Netto, MD; Jairo Junior, MD; HC-UFG

 

(P021) INVASIVE RHINO-ORBITAL-CEREBRAL-MUCORMYCOSIS, CASE REPORT
Khaled Almohaimede, MBBS, FRCPC; Laila Alshafai, MBBS, FRCPC, dNR, dABRdNR; University of Toronto

 

(P022) TRIGEMINAL SCHWANNOMAS TREATED VIA A LATERAL ORBITOTOMY APPROACH: OUTCOMES AND LIMITATIONS
Maria Karampouga, MD¹; Bhuvic Patel, MD¹; I-sorn Phoominaonin, MD¹; Garret Choby, MD²; Eric W Wang, MD²; Tonya S Stefko, MD³; Carl H Snyderman, MD, MBA²; Georgios A Zenonos, MD¹; Paul A Gardner, MD¹; ¹Department of Neurological Surgery, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ²Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ³Department of Ophthalmology, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA

 

(P023) THE TWO-MODULE ENDOSCOPIC ENDONASAL OPTIC CANAL DECOMPRESSION. A CADAVERIC STUDY AND ILLUSTRATIVE CASE PRESENTATION.
Maria Karampouga, MD¹; Gregory J Varga, MS¹; Kyle Affolter, BS¹; Gabrielle R Bonhomme, MD²; Tonya S Stefko, MD²; Garret W Choby, MD³; Eric Wang, MD³; Carl H Snyderman, MD³; Paul A Gardner, MD¹; Georgios A Zenonos, MD¹; ¹Department of Neurological Surgery, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ²Department of Ophthalmology, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ³Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA

 

(P025) OLFACTORY GROOVE SCHWANNOMA: A CASE REPORT AND LITERATURE REVIEW
Claire Washabaugh, MD; Cynthia Koeningsberg, MD; Andrew Venteicher, MD; Liam Chen, MD, PhD; Neal Godse, MD; Kolin Rubel, MD; University of Minnesota

 

(P026) VISUAL RECOVERY AND PREDICTORS OF RECURRENCE IN GIANT OLFACTORY GROOVE MENINGIOMA: A 22-YEAR RETROSPECTIVE STUDY
Sami Khairy, MD¹; Ali Alkhaibary, MD²; Thamer Alfawaz, MD¹; Meshari R Alhuthayl, MD¹; Waleed Waslallah AlQurashi, MD¹; Fahad AlKherayf, MD¹; Ahmed Aloraidi, MD²; Ahmed Alkhani, MD²; ¹Division of Neurosurgery, Department of Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada.; ²King Abdulaziz Medical City- Riyadh

 

(P027) FRONTAL SINUS EPIDERMOID TUMOR: CASE REPORT AND LITERATURE REVIEW
Daniel C O'Brien, MD; Doug Hardesty; CHI/Creighton University

 

(P028) LEFT PLANUM SPHENOIDALE MENINGIOMA WITHOUT OPTICAL CANAL INVOLVEMENT CAUSING OPTIC NEUROPATHY DUE TO HYPEROSTOSIS
Miguel Sáez Alegre; Charbel K Moussalem, MD; Michael J Link, MD; Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, USA

 

(P029) OUTCOMES OF 3-DIMENSIONAL PRINTED CUSTOM POROUS POLYETHYLENE ORBITAL IMPLANT FOR RECONSTRUCTION IN A TERTIARY REFERRAL CENTER
Hakan Demirci¹; Almila Sarigul Sezenoz, MD²; Sarinee Juntipwong¹; Zhengyang Zhao¹; Christine Nelson¹; Denise Kim¹; ¹Department of Ophthalmology and Visual Sciences, University of Michigan; ²Department of Opthalmology, Baskent University

 

(P030) ENDOSCOPIC ENDONASAL MEDIAL ORBITAL DECOMPRESSION AND ORBITAL APEX TUMOR BIOPSY
Luke Silveira, MD; Elizabeth Houle, MD; Carolyn Orgain, MD; Brandon Liebelt, MD; University of Vermont Medical Center

 

(P031) LATERAL ORBITOTOMY FOR REPAIR OF A SPHENOID ENCEPHALOCELE
Luke Silveira, MD; Elizabeth Houle, MD; Brandon Liebelt, MD; University of Vermont Medical Center

 

(P032) OLFACTORY GROOVE TUMORS: DIFFERENTIATING SCHWANNOMA FROM MENINGIOMA IN A COMPLEX CASE
Maxwell A Marino, DO, MPH¹; Ali O Jamshidi, MD²; Fernando A Torres, MD³; ¹Riverside University Health System, Moreno Valley; ²Kaiser Permanente Medical Center, Woodland Hills; ³Kaiser Permanente Medical Center, Los Angeles

 

(P033) ASSESSING THE PROGNOSTIC VALUE OF UP-FRONT NECK DISEASE IN OLFACTORY NEUROBLASTOMA: A MULTICENTER, MATCHED COHORT STUDY
Nicholas Fung, MD¹; Shivam Patel, MD¹; Joao Paulo Almeida, MD, PhD²; Pierre-Olivier Champagne, MD, PhD³; Juan Fernandez-Miranda, MD⁴; Paul Gardner, MD⁵; Peter Hwang, MD⁶; Jayakar Nayak, MD, PhD⁶; Chirag Patel, MD⁷; Zara Patel, MD⁶; Maria Peris Celda, MD⁸; Carlos Pinheiro-Neto, MD, PhD⁹; Olabisi Sanusi, MD¹⁰; Carl Snyderman, MD, MBA¹; Brian D Thorp, MD¹¹; Jamie J Van Gompel, MD⁸; Georgios A Zenonos, MD⁵; Nathan T Zwagerman, MD¹²; Mathew Geltzeiler, MD¹³; Garret Choby, MD¹; Eric W Wang, MD¹; ¹Department of Otolaryngology, University of Pittsburgh Medical Center; ²Department of Neurosurgery, Mayo Clinic Florida, Jacksonville, FL; ³Department of Neurological Surgery, Université Laval, Quebec, Quebec, Canada; ⁴Department of Neurological Surgery, Stanford University, Palo Alto, CA; ⁵Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA; ⁶Department of Otolaryngology-Head and Neck Surgery, Stanford University, Palo Alto, CA; ⁷Department of Otolaryngology-Head and Neck Surgery, Loyola University, Maywood, IL; ⁸Department of Neurological Surgery, Mayo Clinic, Rochester, MN; ⁹Department of Otolaryngology-Head and Neck Surgery, Mayo Clinic, Rochester, MN; ¹⁰Department of Neurological Surgery, Oregon Health & Science University, Portland, OR; ¹¹Department of Otolaryngology-Head and Neck Surgery, University of North Carolina, Chapel Hill, NC; ¹²Department of Neurological Surgery, Medical College of Wisconsin, Milwaukee, WI; ¹³Department of Otolaryngology-Head and Neck Surgery, Oregon Health & Science University, Portland, OR

 

(P034) ANTERIOR SKULL BASE OSTEOMAS WITH PARANASAL SINUSES INVASION; SURGICAL STRATEGY BASED ON SITE OF ORIGIN: A SYSTEMATIC REVIEW
Moataz D Abouammo, MD, MSc¹; Mohammad Bilal Alsavaf, MD¹; Rodrigo D Gehrke, MD¹; Guilherme Mansur, MD²; Chandrima Biswas, MD²; Soumya Sharma, BS, MS¹; Hossam S Elsherif, MD, PhD³; Medhat M Mansour, MD, PhD³; Noha E Shalaby, MD, MSc⁴; Mohamed Ammo, PharmB⁵; Kyle K VanKoevering, MD¹; Kyle C Wu, MD²; Daniel M Prevedello, MD, MBA²; Ricardo L Carrau, MD, MBA¹; ¹Department of Otolaryngology-Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA; ²Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA; ³Department of Otorhinolaryngology-Head and Neck Surgery, Tanta University, Tanta, Egypt; ⁴Faculty of Medicine, Tanta University, Tanta, Egypt; ⁵The University of Western Ontarioo

 

(P035) PRE-OPERATIVE ADMINISTRATION OF AMPHOTERICIN B IN ORBITAL MUCORMYCOSIS: A NOVEL APPROACH TO MANAGING A LIFE-THREATENING CONDITION
Russel T Wagner, BS; Amin B Kassam, MD; Neilkamal Mundi, MD; Sammy Khalili, MD; Stephen Winkler, MD; Intent Medical Group Neurosciences, Endeavor Health

 

(P036) LATERAL ORBITOTOMY IN A PEDIATRIC PATIENT FOR A COMPLEX CSF LEAK VIA SUPERIOR ORBITAL FISSURE AND FORAMEN ROTUNDUM FOLLOWING DELAYED FAILURE OF EXPANDED ENDOSCOPIC ENDONASAL TRANSPTERYGOID REPAIR
Mahmoud Y Asad, Mr¹; Evangelos Drosos, Mr²; Mustafa Motiwala, Mr³; Warren Bennett, Mr⁴; Rebecca Ford, Ms⁵; William Singleton, Mr¹; Samantha Hunt, Ms⁵; Kumar Abhinav²; ¹Bristol Royal Hospital for Children, University Hospitals Bristol NHS Foundation Trust, Bristol, UK; ²Bristol Institute of Clinical Neurosciences, Department of Neurosurgery, Southmead Hospital, Bristol, UK; ³Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, TN, USA; ⁴Department of Ear Nose and Throat, University Hospitals Bristol and Weston NHS Foundation Trust, Bristol, United Kingdom; ⁵Bristol Eye Hospital, University Hospitals Bristol NHS Foundation Trust, Bristol, UK

 

(P037) MULTIDISCIPLINARY MANAGEMENT OF SPHENO-ORBITAL MENINGIOMAS
Evangelos Drosos, Mr¹; Charlotte Hammerbeck-Ward, Ms²; Andrew T King, Prof¹; Omar N Pathmanaban, Prof¹; Saj Attaulah, Mr³; Paul S Cannon, Mr³; James Laybourne, Mr³; Nikolitsa Koutropoulou, Ms³; Andrea Wadeson, Ms¹; Helen Entwistle¹; Scott Rutherford, Mr¹; ¹Department of Neurosurgery, Manchester Centre for Clinical Neurosciences, Salford Royal Hospital NHS Foundation Trust, Salford, UK; ²Department of Neurosurgery, University Hospitals NHS FT, Royal Sussex County Hospital, Brighton, UK; ³Manchester University NHS FT, Royal Eye Hospital, Manchester, UK

 

(P039) HOW IMPORTANT IS COMPLETE SURGICAL RESECTION FOR SURVIVAL OF ACUTE INVASIVE FUNGAL SINUSITIS? CASE SERIES AND REVIEW OF THE LITERATURE
Chelsey Witsberger, MD; Mary Kress; Erin McKean, MD, MBA; University of Michigan

 

(P040) ODONTOGENIC SINUSITIS: AN UNDER RECOGNIZED SOURCE OF COMPLICATED SINUSITIS
Danielle Golub, MD; Amir Dehdashti, MD; Katherine Dempsey, MD; Aron Pollack, MD; Charles Tong, MD; Judd Fastenberg, MD; Mark B Chaskes, MD, MBA; Northwell Health

 

(P041) CLINICAL ANALYSIS OF FIBRIN SEALANT FOR CEREBROSPINAL FLUID LEAKS IN TRANSNASAL TRANSSPHENOIDAL ENDOSCOPIC SURGERY: A SYSTEMATIC REVIEW OF LITERATURE
Amal Khiralla, MD¹; Soneesh Kothagundla²; ¹Mass Eye And Ear; ²Georgia Institute of Technology

 

(P042) ENDOSCOPIC TRANSORBITAL RESECTION OF SPHENO-ORBITAL MENINGIOMAS FOR ORBITAL DECOMPRESSION
Katherine Lucarelli, MD¹; Won Kim, MD²; H Milan Samarage, MBBS²; Daniel Rootman, MD, MS¹; ¹Division of Orbital and Ophthalmic Plastic Surgery, University of California, Los Angeles; ²Department of Neurosurgery, University of California, Los Angeles

 

(P043) THE ROLE OF ANTERIOR ETHMOIDAL ARTERY DURING ENDONASAL ENDOSCOPIC ACCESS TO THE LATERAL FRONTAL SINUS AND SKULL BASE
Cem Meco¹; Suha Beton²; Hazan Basak, PhD²; Nihal Apaydin³; ¹Ankara University Medical School and Salzburg Paracelsus Medical University Departments of ORL-HNS; ²Ankara University Medical School Department of ORL-HNS; ³Ankara University Medical School, Department of Anatomy

 

(P044) NONTRADITIONAL APPROACHES TO RECONSTRUCTION OF LARGE ANTERIOR SKULL BASE AND MIDFACE DEFECTS
Travis Clarke, MD¹; Aaron Zebolsky, MD¹; L Madison Michael 2nd, MD¹; Sanjeet Rangarajan, MD²; Anas Eid, MD¹; ¹University of Tennessee Health Science Center - Memphis; ²University Hospitals Otolaryngology

 

(P045) TRANSORBITAL TRANSCAVERNOUS APPROACH: KEY STEPS AND ANATOMICAL LANDMARKS
Alhusain Nagm, MD, MSc, PhD; Department of Neurosurgery University of Maryland School of Medicine, Baltimore, MD, United States

 

(P046) ENDOSCOPIC ENDONASAL OPTIC NERVE DECOMPRESSION IN AN INFANT WITH OSTEOPETROSIS: A CASE REPORT
Zeina Korban, MD; Nader Zalaquet; Hussein Darwich; Yara Yammine; Rita Maria Jalkh; American University of Beirut Medical center

 

(P047) KEY HOLE APPROACHES TO GIANT ANTERIOR FOSSA MENINGIOMAS
Mohammed Ouwais Abdul Sattar, MD/MBCHB; Melissa de Gouveia, MD/MBBCH; Senyabu Bridged Tshutshu-Phalane, MD/MBCHB; Frank Mmbidi, MD/MBCHB; Teshar Sen Ramkisson, MD/MBCHB; Christos Profyris, MD, AProf; Helen Joseph Hospital/ Netcare Milpark Hospital

 

(P048) RESULTS IN THE ENDOSCOPIC MANAGEMENT OF TUBERCULUM SELLAE AND PLANUM SPHENOIDALE MENINGIOMAS: EXPERIENCE OF TWO SPECIALIZED TEAMS
Ludovica Pasquini, MD¹; Domenico Solari, MD, PhD²; Joshua Vignolles-Joeng, BA¹; Luigi Maria Cavallo, MD, PhD²; Ricardo Carrau, MD¹; Daniel Prevedello, MD¹; ¹The Ohio State University; ²University of Naples

 

(P049) CASE REPORT AND LITERATURE REVIEW: CHONDROMYXOID FIBROMA AFFECTING THE SKULL BASE
Blake M Lindsay, BSciAdvHons, I, MD; Rahuram Sivasubramaniam, BScMed, MBBSHons, MSORL, FRACS, ORLH; Concord Repatriation General Hospital

 

(P050) ENDOSCOPIC ENDONASAL DEVASCULARIZATION IN STAGED RESECTION OF LARGE ANTERIOR SKULL BASE MENINGIOMA
Akshay V Save, MD; Carter Suryadevara, MD, PhD; Seth Lieberman; Donato Pacione; NYU Langone Health

 

(P051) PURELY TRANSORBITAL ENDOSCOPIC RESECTION OF GASTROINTESTINAL STROMAL TUMOR METASTASIS EXTENDING FROM TEMPORAL FOSSA TO THE MASTICATOR SPACE
Hazan Basak, MD, PhD; Arjin Oksuz, MD; Eyup Bayatli, MD; Ihsan Dogan; Suha Beton; Ankara University

 

(P053) ANALYSIS OF INFLAMMATORY CYTOKINE LEVELS IN SINONASAL SECRETIONS OF GULF WAR VETERANS WITH AND WITHOUT GULF WAR ILLNESS
Jivianne T Lee, MD, FACS¹; Nancy Klimas, MD²; Bhavani Shankara Gowda, PhD³; Saroj B Basak, PhD³; Eri Srivatsan, PhD¹; Monica Cappelletti, PhD¹; Kimberly Sullivan, PhD⁴; ¹University of California Los Angeles; ²Miami Veterans Affairs Medical Center; ³Greater Los Angeles Veterans Affairs Healthcare Administration; ⁴Boston University

 

(P054) SOMATIC LOSS OF BCLAF-1 IN AN ENCEPHALOCELE SECONDARY TO IDIOPATHIC INTRACRANIAL HYPERTENSION
Zi Jian Lau¹; Hasan Alanya²; Ryan Rimmer, MD²; Murat Gunel, MD²; Sacit Bulent Omay, MD²; E. Zeynep Erson Omay, PhD²; ¹University of Oxford and Yale University; ²Yale University

 

(P055) IN VIVO EFFECTS OF ACUTE PERMETHRIN EXPOSURE ON SINONASAL EPITHELIA IN A MURINE MODEL
Saroj Basak, PhD¹; Jakob Fischer, MD²; Melodyanne Y Cheng, MS²; Neda Moatamed, MD²; Eri Srivatsan, PhD¹; Jivianne T Lee, MD²; ¹Greater Los Angeles VA Healthcare System; ²UCLA

 

(P056) NEUROENDOCRINE TUMOR OF THE TEMPORAL BONE WITH MIDDLE CRANIAL FOSSA SPREAD
Samantha Y Cerasiello, MD; Nina Dharmarajah; John P Leonetti, MD; Loyola University Medical Center

 

(P057) REFINING THE POSTERIOR COMPARTMENT OF THE CAVERNOUS SINUS: IMPLICATIONS FOR ENDOSCOPIC ENDONASAL SURGERY
Yuanzhi Xu¹; Ludovico Agostini¹; Tatsuya Uchida¹; Jonathan Rychen¹; Muhammad Arifianto¹; Mariano Rinaldi¹; Limin Xiao¹; Vera Vigo¹; Aaron Cohen-Gadol²; Juan Fernandez-Miranda¹; ¹Stanford Hospital; ²The Neurosurgical Atlas

 

(P058) ANATOMICAL INSIGHTS INTO THE INFERIOR COMPARTMENT OF THE CAVERNOUS SINUS: A DETAILED REAPPRAISAL IN ENDOSCOPIC ENDONASAL SURGERY
Yuanzhi Xu¹; Tatsuya Uchida¹; Jonathan Rychen¹; Felip Constanzo¹; Limin Xiao¹; Alix Bex¹; Vera Vigo¹; Vladimir Ljubimov¹; Aaron Cohen-Gadol²; Juan Fernandez-Miranda¹; ¹Stanford Hospital; ²The Neurosurgical Atlas

 

(P059) STEP BY STEP CADAVERIC DISSECTION OF ENDOSCOPIC TRANSORBITAL PRETEMPORAL APPROACH TO THE TEMPORAL UNCUS AND VENTRAL BRAIN STEM
Abdulaziz Almusa¹; Jae-Sung Park²; Francesco Corrivetti³; Matteo de Notaris^4,5; Doo-Sik Kong, PHD⁶; ¹Prince Sultan Medical Military City, Samsung Medical Center; ²Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea; ³San Luca Hospital; ⁴Laboratory of Neuroanatomy, EBRIS Foundation, European Biomedical Research Institute of Salerno, Salerno, Italy; ⁵Neurosurgical Clinic A.O.U. "San Giovanni di Dio e Ruggi d'Aragona", Salerno, Italy; ⁶Samsung Medical Center, Sungkyunkwan University

 

(P061) THE MINI-PEELING OF MIDDLE FOSSA TECHNIQUE: INDICATIONS AND DESCRIPTION OF THE PROCEDURE
Fabian Castro Barros, MD; Sergio Pallini, MD; Daniel Desole, MD; Gonzalo Bonilla, MD; Federico Gresta, MD; Army Central Hospital

 

(P062) INFERO-LATERAL TRUNK (ILT): ANATOMICAL STUDY, SURGICAL RELEVANCE, AND TECHNICAL NUANCES IN LATERAL TRANSCAVERNOUS ENDOSCOPIC ENDONASAL SURGERY.
Ludovico Agostini; Jonathan Rychen; Vera Vigo; Yuanzhi Xu; Muahammad Arifianto; Alix Bex; Juan C Fernandez-Miranda; Stanford University

 

(P065) CONTEMPORARY SURGICAL MANAGEMENT OF CAVERNOUS SINUS MENINGIOMAS: SURGICAL TECHNIQUE AND CASE SERIES
Jessica Eaton, MD; Varadaraya Shenoy; Emma Celano; Andrew Montoure; Pascal Lavergne; Laligam Sekhar; University of Washington

 

(P066) SKULL-BASE SURGERY AND THE TRIGEMINOCARDIAC REFLEX: A SYSTEMATIC REVIEW
Mohammadmahdi Sabahi, MD, MPH¹; Omid Yousefi, MD²; Mohammad Mirahmadi Eraghi, MDHMBA³; AmirAli Rastegar Kazerooni, MD, MPH²; Sara Mostafavi, MD, MPH²; Badih Adada, MD¹; Hamid Borghei-Razavi, MD¹; ¹Department of Neurological Surgery, Pauline Braathen Neurological Center, Cleveland Clinic Florida; ²Department of Neurological Surgery, Shiraz University of Medical Sciences, Shiraz, Iran; ³Brain and Spinal Cord Injury Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran

 

(P068) THE IMPACT OF INTERNAL CAROTID ARTERY GEOMETRY ON MEDIAL WALL RESECTION OF THE CAVERNOUS SINUS: A CADAVERIC STUDY
Dan Zimelewicz Oberman, MD, MSc¹; Heros Almeida, MD¹; Jorge Amorim Correa, MD, MSc²; Davide Russo, MD¹; Vinicius Rivelli, MD¹; Diana Alvarez, MD¹; Maria Guevara, MD¹; Bianca Gomes, MD¹; André Guasti, MD³; João Paulo Almeida, MD, PhD¹; ¹Department of Neurosurgery, Mayo Clinic, Jacksonville, Florida, USA; ²Department of Neurosurgery, Hospital de Força Aérea do Galeão, Rio de Janeiro, Brazil; ³Department of Neurosurgery, Instituto Estado do Cerebro, Rio de Janeiro, Brazil

 

(P069) CYSTIC LESION TREATED VIA ENDONASAL ENDOSCOPIC APPROACH
Bakhtiyar Pashaev¹; Arseniy Pichugin, MD²; ¹Interregional Clinical Diagnostic Center; ²Kazan State Medical University

 

(P070) ENDOSCOPIC ENDONASAL SURGERY FOR CLIVAL CHORDOMAS. CASE SERIES.
Bakhtiyar Pashaev, MD¹; Arseniy Pichugin, PhD²; Gulnar Vagapova, PhD³; Dilyara Miftakhova, MD¹; ¹Interregional Clinical Diagnostic Cwnter; ²Kazan State Medical University; ³Kazan State Medical Academy

 

(P071) PEDIATRIC CLIVAL CHORDOMA PRESENTING AS NASAL CONGESTION AND SLEEP DISORDERED BREATHING
Adwight Risbud, MD, MPH¹; Dana Eitan, BS²; Dennis M Tang, MD¹; Moise Danielpour, MD³; Abhita Reddy, MD, MBA¹; ¹Cedars Sinai Medical Center Division of Otolaryngology - Head and Neck Surgery; ²Creighton University School of Medicine; ³Cedars Sinai Medical Center Department of Neurosurgery

 

(P073) GRUBER'S LIGAMENT IS SIMPLY DURA MATER
Joe Iwanaga¹; Rarinthor Samrid¹; Joseph R Keen²; Blair M Barton²; Vernard S Fennell²; Noritaka Komune³; Aaron S Dumont¹; R. Shane Tubbs¹; ¹Tulane University School of Medicine; ²Ochsner Health System; ³Kyushu University

 

(P074) SURGICAL MANAGEMENT OF PONTINE BRAINSTEM CAVERNOUS MALFORMATIONS: A SYSTEMATIC REVIEW AND META-ANALYSIS EMPHASIZING SAFE ENTRY ZONES AND CLINICAL OUTCOMES
Brandon M Edelbach, BS¹; Ahmad K AlMekkawi, MD²; Dylan Glaser, MS³; Vani B Patel, BS³; Amulya Manchikanti, BS³; Rohit Rajput, BS³; Carlos A Bagley, MD, MBA²; Tarek Y El Ahmadieh, MD¹; Jonathan D Breshears, MD²; Yifei Duan, MD²; Yifei Duan, MD²; ¹Loma Linda University Department of Neurosurgery; ²Saint Luke's Marion Bloch Neuroscience Institute Department of Neurosurgery; ³Univeristy of Missouri-Kansas City School of Medicine

 

(P075) EVALUATION OF PATIENTS WITH PLATYBASIA AND CONCOMITANT CHIARI MALFORMATION AND THE NEED FOR UPFRONT SUB-OCCIPITAL CRANIECTOMY AT THE TIME OF INITIAL ANTERIOR DECOMPRESSION
Jeffery R Head, MD¹; Kelly E Daniels, MD²; Hussam Abou-Al-Shaar, MD¹; Hanna N Algattas, MD³; David O Okonkwo, MD¹; David K Hamilton, MD¹; Eric W Wang, MD²; Garret W Choby, MD²; Carl H Snyderman, MD, MBA²; Robert M Friedlander, MD, MA¹; Georgios A Zenonos, MD¹; Paul A Gardner, MD¹; ¹University of Pittsburgh Medical Center, Department of Neurosurgery; ²University of Pittsburgh Medical Center, Department of Otolaryngology; ³University of Buffalo, Department of Neurosurgery

 

(P076) A CHALLENGING CASE OF PAEDIATRIC CLIVAL ENCEPHALOCELE
Arshad Zubair, MRCS¹; Sameul Leong, FRCS²; Ajay Sinha, FRCS¹; Grace Khong, FRCS¹; ¹Alder Hey Children's Hospital; ²Aintree University Hospital

 

(P077) EXPANDING ACCESS TO THE PETROUS APEX AND PETROCLIVAL REGION USING THE CONTRALATERAL TRANSMAXILLARY APPROACH WITH THE ADDITION OF TRANSPTERYGOID DRILLING
Megan Bauman, MS; Yuki Shinya, MD, PhD; Jeffrey Graves, MS; Yohan Alexander, BA; Amedeo Piazza, MD; Luciano Leonel, PhD; Jamie Van Gompel, MD; Maria Peris Celda, MD, PhD; Carlos Pinheiro Neto, MD, PhD; Mayo Clinic

 

(P078) EXOCRANIAL & INTRACRANIAL ANATOMY OF THE JUGULAR TUBERCLE: AN ENDOSCOPIC ENDONASAL APPROACH PROJECTION
Erik Burgos-Sosa, MD¹; Jose J. Julian-Mendoza, MD¹; J. Stephan Sanchez-Torrijos, AF²; Lorena Valencia-Caballero, MD²; Mario A. Taylor-Martínez, MD¹; Agustín Dorantes-Argandar, MD, FAANS¹; ¹Skull Base & Minimally Invasive Neurosurgery, Hospital Angeles Pedregal, Mexico City; ²Department of Anatomy, National Autonomous University of Mexico

 

(P079) THE LATERAL PHARYNGEAL TUBERCLE AS A KEYLANDMARK TO ESTIMATE APPROXIMATION OF NEUROVASCULAR STRUCTURES (INTERNAL CAROTID ARTERY + LOWER CRANIAL NERVES)
Erik Burgos-Sosa, MD¹; Jose J. Julian-Mendoza, MD¹; J. Stephan Sanchez-Torrijos, AF²; Lorena Valencia-Caballero, MD²; Mario A. Taylor-Martínez, MD¹; Agustín Dorantes-Argandar, MD, FAANS¹; ¹Skull Base & Minimally Invasive Neurosurgery, Hospital Angeles Pedregal, Mexico City; ²Department of Anatomy, National Autonomous University of Mexico

 

(P082) TRANSNASAL VS TRANSORAL ODONTOIDECTOMY FOR CONGENITAL CRANIOCERVICAL JUNCTION ANOMALIES IN ADULTS: A SYSTEMATIC REVIEW AND META-ANALYSIS
Esteban Ramírez-Ferrer, MD; Sara Gómez-Niebles, MD; William M Riveros-Castillo, MD; Javier M Saavedra, MD; Center for Research and Training in Neurosurgery (CIEN), Bogotá, Colombia

 

(P083) ENDOSCOPIC TRANSPTERYGOID EUSTACHIAN TUBE MANAGEMENT IMPACT ON LONG-TERM HEARING OUTCOMES
Rita Snyder, MD; Sophie Peeters, MD; Shirley Y Su, MBBS; Ehab Y Hanna, MD; Franco DeMonte, MD; Shaan M Raza; The University of Texas MD Anderson Cancer Center

 

(P084) RECONSTRUCTION OF CLIVAL DEFECTS USING VASCULARIZED FREE AND PEDICLED FLAPS: SYSTEMATIC REVIEW AND PROPOSED ALGORITHMS
Michael J. Marino, MD; Nitish Kumar, MBBS, MS; Devyani Lal, MD; Lisa Marks, MLS, AHIP; Pedro L Gomes, MD; Mayo Clinic in Arizona

 

(P085) DEFINING THE CAUDAL LIMITS AND PREDICTORS OF THE ENDOSCOPIC ENDONASAL APPROACH TO THE CRANIOVERTEBRAL JUNCTION: A CADAVERIC STUDY
Mohammad Bilal Alsavaf, MD¹; Moataz D. Abouammo, MD, MSc²; Jaskaran Singh Gosal, MCh³; Maithrea S. Narayanan, MD⁴; Govind S. Bhuskute, MS⁵; Chandrima Biswas, MD⁶; Guilherme Mansur, MD⁶; Kyle K. VanKoevering, MD⁷; Kyle C. Wu, MD⁶; Daniel M. Prevedello, MD, MBA¹; Ricardo L. Carrau, MD, MBA¹; ¹Departments of Neurological Surgery and Otolaryngology-Head & Neck Surgery, The James Cancer Hospital at the Wexner Medical Center of The Ohio State University College of Medicine, Columbus, Ohio; ²Department of Otorhinolaryngology-Head and Neck Surgery, Tanta University, Tanta, Egypt; ³Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), Jodhpur, Rajasthan, India 342005; ⁴Department of Otolaryngology, Hospital Raja Permaisuri Bainun, Ipoh, Perak, Malaysia; ⁵Department of ENT, All India Institute of Medical Sciences, Patna, Bihar, India; ⁶Department of Neurological Surgery, Wexner Medical Center at The Ohio State University, Columbus, Ohio, USA; ⁷Department of Otolaryngology-Head and Neck Surgery, Wexner Medical Center at The Ohio State University, Columbus, Ohio, USA

 

(P086) CLIVAL CHORDOMA RESECTION WITHOUT OCCIPITOCERVICAL FUSION: A CASE REPORT
Maxwell A Marino, DO, MPH¹; Ali O Jamshidi, MD²; Fernando A Torres, MD³; ¹Riverside University Health System, Moreno Valley; ²Kaiser Permanente Medical Center, Woodland Hills; ³Kaiser Permanente Medical Center, Lost Angeles

 

(P087) A CASE OF PAPILLARY THYROID CARCINOMA WITH ANAPLASTIC DEDIFFERENTIATION AND SKULL BASE METASTASIS
Desiree T Campbell, BS¹; Daniel P Russo, MD²; Tarunya Vedere, MD³; Esma Ersoy, MD⁴; Gary Gong, MD, PhD⁵; Todd Falcone, MD²; Danielle E Scarola, MD²; ¹University of Connecticut School of Medicine; ²Division of Otolaryngology, Department of Surgery, University of Connecticut Health Center; ³Division of Endocrinology, Department of Medicine, University of Connecticut Health Center; ⁴Department of Pathology, University of Connecticut Health Center; ⁵Department of Radiology, University of Connecticut Health Center

 

(P088) SKULL BASE CARCINOMA EX-PLEOMORPHIC ADENOMA: A HIDDEN CAUSE FOR FACIAL PARALYSIS
William Thedinger, MD; John Leonetti; Loyola University Medical Center

 

(P089) GAMMATILE THERAPY COMBINED WITH MICROVASCULAR FREE FLAP RECONSTRUCTION IN MGMT GLIOBLASTOMA MULTIFORME: A NOVEL APPROACH TO ONCOLOGIC AND RECONSTRUCTIVE INTEGRATION
Russel T Wagner, BS; Amin B Kassam, MD; Julian E Bailes, MD; Sammy Khalili, MD; George Bobustuc, MD; Neilkamal Mundi, MD; Intent Medical Group Neurosciences, Endeavor Health

 

(P090) TENOSYNOVIAL GIANT CELL TUMOR OF THE TEMPOROMANDIBULAR JOINT WITH SKULL BASE EROSION: MULTIDISCIPLINARY MANAGEMENT OF A RARE CASE AND REVIEW OF THE LITERATURE
Marc Gelernter; Daniel Sharbel, MD; Kenneth J Byrd, MD; Martin Rutkowski, MD; Marshall F Newman, DMD; Mohammad Seyyedi, MD; M. Salman Ali, MD; Medical College of Georgia at Augusta University

 

(P092) THE EQUITY CHALLENGE: INVESTIGATING AI-BASED PRIOR AUTHORIZATION IN ENDOSCOPIC SINUS AND SKULL BASE SURGERY
Srinidhi Polkampally¹; Akash Halagur²; Noel Ayoub³; ¹Stanford School of Medicine; ²Geisel School of Medicine at Dartmouth; ³Division of Rhinology and Skull Base Surgery,Department of Otolaryngology-Head & Neck Surgery, Mass Eye and Ear

 

(P093) NASAL PLEXIFORM SCHWANNOMA WITH INTRACRANIAL DEFORMITIES SUCCESSFULLY TREATED WITH SKULL BASED ENDONASAL RESECTION: A CASE REPORT.
Christine Arthur, DO; David Penn, MD; Nuvance Health

 

(P096) TEMPORAL BONE RESECTION FOR NON-MELANOMA SKIN CANCER: PREDICTIVE FACTORS OF RECURRENCE AND SURVIVAL
Douglas P Cavalcanti, MD; Terence P de Farias, PhD; Thais B de Paula, MD; Izabella C Santos, PhD; Bernardo C Peryassú, Msc; Bruno A Sousa, MSc; Fernando L Dias, PhD; Brazilian National Cancer Institute

 

(P097) CARRE, CARBON RADIOTHERAPY FOR RARE TUMORS: ELECTRONIC CONSENT AND FOLLOW-UP
Adam Holtzman¹; Aimée Galatas, BS²; Homan Mohammadi¹; Jeffrey Janus¹; Samip Patel¹; Yujie Zhao¹; Angela Donaldson¹; Osarenoma Olomu¹; Joao Paulo Cavalcante de Almeida¹; Emily Liu¹; Lauren Haydu¹; Bradford Hoppe¹; ¹Mayo Clinic Florida; ²Louisiana State University School of Medicine

 

(P098) A CASE OF ACCESSORY NERVE SCHWANNOMA EXTENDING TO THE HYPOGLOSSAL CANAL AND MIMICKING HYPOGLOSSAL NERVE SCHWANNOMA
Gen Futamura, MD, PhD; Moeko Tani, MD; Masao Fukumura, MD, PhD; Ryokichi Yagi, MD, PhD; Hideki Kashiwagi, MD, PhD; Yuichiro Tsuji, MD, PhD; Ryo Hiramatu, MD, PhD; Masahiro Kameda, MD, PhD; Naosuke Nonoguchi, MD, PhD; Motomasa Furuse, MD, PhD; Shinji Kawabata, MD, PhD; Toshihiro Takami, MD, PhD; Masahiko Wanibuchi, MD, PhD; Department of Neurosurgery, Osaka Medical and Pharmaceutical University

 

(P100) PETROUS CAROTID CANAL SYMPATHETIC PLEXUS SCHWANNOMA: A CASE REPORT AND LITERATURE REVIEW
Braeden Lovett, MD; Matthew Koch, MD; Nohra Chaluli; Rex Haberman, MD; Si Chen, MD; University of Florida

 

(P101) PREOPERATIVE EMBOLIZATION OF LESIONS IN THE POSTERIOR FOSSA - ANALYSIS OF 41 PATIENT FROM A SINGLE-CENTER CASE SERIES
Rui Feng, MD, MSc; Lily Huo; Ian Odland; Stavros Matsoukas; Denzel Faullkner, PhD; Emery Monnig; Halima Talbani; Trevor Hardigam; Alex Devarajan; Joshua Bederson, MD; Benjamin Rapoport, MD, PhD; Raj Shrivastava, MD; Icahn School of Medicine at Mount Sinai

 

(P103) A TRANSTUBERCLE SUPRAMEATAL RETROSIGMOID APPROACH: A NOMENCLATURE BASED ON A MICROSURGICAL TECHNIQUE OF 26 CASES
Mauro A Segura-Lozano, MD, PhD; Aarón G Munguía-Rodríguez; Arturo Santoyo-Pantoja; Mario A Del Real-Gallegos; Alejandro Gonzalez-Silva; Yael R Torres-Torres; Neurología Segura

 

(P104) APPLICATION OF KEYHOLES TO LARGE AND COMPLEX POSTERIOR FOSSA PATHOLOGY
Edmund Richard Kibuuka, MD/MBCHB; Irtiza Chaudhry, MD/MBBCH; Yolisa Chauke, MD/MBBCH; Makganthe Theresho Ramphele, MD/MBBCH; Shingirai Muzondiwa, MD/MBBS; Christos Profyris, MD, AProf; Helen Joseph Hospital/ Netcare Milpark Hospital

 

(P105) CADAVERIC ENDOSCOPIC TRANSMEATAL APPROACH TO THE INTERNAL ACOUSTIC CANAL AND THE MIDDLE EAR
Renan Lovato, MD; Feng Cai; Abdullah Keles; Mustafa Baskaya, PhD; University of Wisconsin Madison

 

(P106) A DETAILED ANATOMICAL STUDY FOR POSTERIOR PETROSECTOMY BY EXPOSING THE ROUND AND OVAL WINDOWS
Renan Lovato; Feng Cai; Mohamad Karam Bounah; Abdullah Keles; Ufuk Erginoglu; Mustafa Baskaya; University of Wisconsin Madison

 

(P107) THE OPERATION OF LOWER CRANIAL NERVE TUMORS IN OUR DEPARTMENT
Ryokichi Yagi, MD, PhD; Hideki Kashiwagi, MD, PhD; Kouhei Yoshimura, MD, PhD; Masao Fukumura, MD, PhD; Yuichirou Tsuji, MD, PhD; Gen Futamura, MD, PhD; Ryo Hiramatsu, MD, PhD; Masahiro Kameda, MD, PhD; Naosuke Nonoguchi, MD, PhD; Motomasa Furuse, MD, PhD; Shinji Kawabata, MD, PhD; Toshihiro Takami, MD, PhD; Masahiko Wanibuchi, MD, PhD; Osaka Medical and Pharmaceutical University

 

(P108) IMPACT OF PRE-OPERATIVE CALORIC ASYMMETRY ON LENGTH OF STAY IN CEREBELLOPONTINE ANGLE TUMOR RESECTION
Areeb Shah¹; Ruben Ulloa, MD²; Nedim Durakovic, MD²; ¹Saint Louis University School of Medicine; ²Washington University in St. Louis

 

(P109) POSTOPERATIVE OUTCOMES AND SURVIVORSHIP AFTER LATERAL TEMPORAL BONE RESECTION FOR MALIGNANCY: A SINGLE CENTER RETROSPECTIVE CHART REVIEW
Katelyn Robillard, MD, PhD; Cassidy Nguyen, BS; Rahul Mehta, MD; Louisiana State University Health Sciences Center

 

(P111) INTRACRANIAL VAGAL NERVE SCHWANNOMA - PRESENTATION, SURGICAL OPTIONS AND OUTCOMES
M. Salman Ali, MD; Fernando Vale, MD; Medical College of Georgia at Augusta University

 

(P112) RETROSIGMOID TRANS-SUPRAMEATAL APPROACH FOR RESECTION OF TRIGEMINAL SCHWANNOMA WITH MECKEL'S CAVE EXTENSION - PERSPECTIVE FROM A NEW SKULL BASE FACULTY
M. Salman Ali, MD; Fernando Vale, MD; Medical College of Georgia at Augusta University

 

(P113) ANTERIOR INFERIOR CEREBELLAR ARTERY VASCULAR LOOP IN INTERNAL AUDITORY CANAL - CLINICAL PRESENTATION, OPERATIVE TECHNIQUE AND SURGICAL OUTCOMES
M. Salman Ali, MD; Fernando L Vale, MD; Medical College of Georgia at Augusta University

 

(P114) UNUSUAL PRESENTATION AND RARE LOCATION OF ENTEROGENOUS CYST IN THE CEREBELLOPONTINE ANGLE: TWO CASES AND REVIEW OF THE LITERATURE
Stenia Accilien, MD; Deanna Sasaki-Adams, MD; Murat Gokden, MD; University Of Arkansas For Medical Sciences

 

(P115) HEARING PRESERVATION FOLLOWING COMBINED APPROACH MIDDLE CRANIAL FOSSA AND RETRO SIGMOID FOR CEREBELLOPONTINE ANGLE AND INTERNAL AUDITORY CANAL TUMORS.
Amed Natour, MD; Walter C Jean; Haley Toczko; Ravi N Samy; Lehigh Valley Health Network

 

(P116) WHAT YOU SEE IS NOT ALWAYS WHAT YOU GET: A CASE OF STRIKING DISCORDANCE IN NEUROVASCULAR COMPRESSION FOR TRIGEMINAL NEURALGIA BETWEEN PRE- AND INTRAOPERATIVE IMAGING
Maria Burritt, BS; Andrew Ghannad, BS; Dayna Sloane, BS; Ronak H Jani, MD; Atul Mallik, MD, PhD; Douglas E Anderson, MD; Loyola University Medical Center

 

(P118) POSTERIOR FOSSA CRANIOTOMY IN PREGNANT PATIENTS: A CASE REPORT AND REVIEW OF THE LITERATURE
Alexa R Lauinger¹; Sam Schulz²; Logan Burrington¹; Ankitha Iyer³; Prapthi Sirrkay²; Anant Naik, MD⁴; Andrew S Venteicher, MD, PhD⁵; ¹Carle Illinois College of Medicine; ²University of Minnesota; ³Wake Forest University School of Medicine; ⁴Department of Neurosurgery, University of Minnesota; ⁵Department of Neurosurgery, Center for Skull Base and Pituitary Surgery, University of Minnesota

 

(P119) IDIOPATHIC TRIGEMINAL NEURALGIA : VARIOUS MODALITIES OF TREATMENT AND ITS LONG TERM OUTCOMES
Prabu Raj Andiperumal Raj; Nupur Pruthi; NIMHANS

 

(P120) RARE PRESENTATION AND TREATMENT OF AN INVASIVE GIANT CELL TUMOR OF THE MIDDLE EAR AND SKULL BASE: A CASE REPORT
Joshua M Cohen¹; Geena Jung¹; Hailey Reisert¹; Margaret Keymakh¹; Pushti Shah¹; Andres Pasuizaca¹; Emergy Buckner-Wolfson¹; Timothy Kim¹; Ryan Fatemi¹; David Oriko¹; Seyed Ahmad Naseri Alavi Arsalan¹; Genesis Liriano²; Andrew Kobets²; ¹Montefiore Medical Center, Albert Einstein College of Medicine; ²Department of Neurosurgery, Montefiore Medical Center

 

(P121) JUGULAR FORAMEN CHONDROSARCOMA MASQUERADING AS INTRACRANIAL VENOUS THROMBOSIS
Nathaniel Hunter¹; Jumah Ahmad, MD²; Ron Karni, MD³; Jacques Morcos, MD⁴; Vivian Kaul, MD³; ¹McGovern Medical School at UTHealth Houston; ²Department of Otolaryngology Head & Neck Surgery, University of Utah School of Medicine; ³Department of Otorhinolaryngology-Head and Neck Surgery, UTHealth Houston; ⁴Department of Neurosurgery, UTHealth Houston

 

(P122) SURGICAL ANATOMY OF THE ANTEROLATERAL APPROACH - STEP BY STEP DISSECTIONS
Flor Montilla; Maria Guevara; Davide Russo; Vinicios Rivelli; Juan Pablo Navarro; Joao Paulo Almeida, MD, PhD; Mayo Clinic Jacksonville, Florida

 

(P123) MANAGEMENT OF A LARGE JUGULAR FORAMEN SCHWANNOMA IN A YOUNG PATIENT
Olivia A Kalmanson, MD, MS; Ashley Nassiri, MD, MBA; University of Colorado School of Medicine

 

(P124) COMPLETE HEARING RECOVERY AFTER RETROSIGMOID RESECTION OF JUGULAR FORAMEN SCHWANNOMA WITH CONCURRENT IPSILATERAL VESTIBULAR SCHWANNOMA
Achilles A Kanaris, BS¹; Nicholas E Hac, MD²; Stephen T Magill, MD, PhD³; Kevin Y Zhan, MD⁴; ¹Northwestern University - Feinberg School of Medicine; ²Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, U.S.A.; ³Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, U.S.A.; ⁴Department of Otolaryngology-Head and Neck Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, U.S.A.

 

(P125) HEAD SCRATCHER: A SKULL BASE LESION WITHOUT DEFINITIVE DIAGNOSIS
Kelly R Sala, BS¹; Kurt C Mueller, MD¹; Samuel R Barber, MD²; Moises A Arriaga, MD¹; ¹Louisiana State University Health Sciences Center - New Orleans; ²Barrow Neurological Institute

 

(P126) ANATOMY OF THE PETROSAL FISSURE: IMPLICATIONS FOR SKULL BASE SURGERY
Maged T Ghoche, MD; Maria José Pachón-Londoño, MD; Vita A Olson; Estefana Bcharah; Abhijith R Bathini, MD; Charbel Moussalem, MD; Devi P Patra, MD; Bernard R Bendok, MD, MSCI; Mayo Clinic

 

(P127) RATES AND PREDICTORS OF FOLLOW-UP LOSS AFTER RADIOSURGERY FOR SPORADIC VESTIBULAR SCHWANNOMAS
Ramin Morshed¹; A. Yohan Alexander²; Mariagrazia Nizzola²; Megan Bauman²; Misha Amini²; Bruce E Pollock²; Matthew L Carlson²; Colin L Driscoll²; Paul Brown²; Michael Link²; ¹UCSF; ²Mayo Clinic

 

(P128) CRANIAL NERVE FUNCTION PRESERVATION IN SURGICAL RESECTION OF TUMORS WITH JUGULAR FORAMEN EXTENSION: A SYSTEMATIC REVIEW
Abigail R Salas, BS¹; Alejandra Rodas, MD²; Leonardo Tariciotti, MD²; Roberto M Soriano²; Jackson R Vuncannon, MD²; Juan M Revuelta-Barbero, MD, PhD²; Edoardo Porto, MD²; Biren K Patel, MD²; Emily Barrow, MD²; Tomas Garzon-Muvdi, MD²; Gustavo Pradilla, MD²; C. Arturo Solares, MD²; ¹Boston University Chobanian and Avedisian School of Medicine; ²Emory University

 

(P129) CYSTIC MASS IN THE CEREBELLOPONTINE ANGLE AFTER PRIOR VESTIBULAR SCHWANNOMA RESECTION IN SETTING OF NEWLY DIAGNOSED HIV
Krish Suresh, MD; Erika Woodson, MD; Southern California Permanente Medical Group

 

(P130) AN ADULT PATIENT WITH INITIAL PRESENTATION OF MYXOPAPILLARY EPENDYMOMA AT THE CEREBELLOPONTINE ANGLE
Marcin Marciniak, BS; Lorenzo Munoz, MD; Elias Michaelides, MD; Rush University

 

(P131) PRIMARY MASTOID CONGENITAL CHOLESTEATOMA WITH SKULL BASE INVOLVEMENT: A CASE REPORT
Diego Gamoneda, BS¹; Rohan A Patel, MD²; Juan Carlos Yanez-Siller, MD, MPH²; Arnaldo L Rivera, MD²; ¹University of Missouri School of Medicine; ²University of Missouri Department of Otolaryngology- Head and Neck Surgery

 

(P132) POSTOPERATIVE EFFECTS OF THE POSTERIOR PETROSAL APPROACH FOR CEREBELLO-PONTINE ANGLE MENINGIOMAS
Takuma Kodama, MD; Osamu Akiyama, MD, PhD; Ryo Miyahara, MD; Yuzaburo Shimizu, MD, PhD; Mario Suzuki, MD, PhD; Shinichiro Teramoto, MD, PhD; Akihide Kondo, MD, PhD; Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, JAPAN

 

(P133) VESTIBULAR TESTING AND LENGTH OF STAY AFTER TRANSLABYRINTHINE RSECTION OF VESTIBULAR SCHWANNOMA
Robert M Conway, DO¹; Mas Kato, MD¹; Ethan Dimock, BS²; Shiv Goel³; Robert S Hong, MD, PhD¹; Seilesh C Babu, MD¹; ¹Michigan Ear Institute; ²Oakland University School of Medicine; ³Saint Louis University

 

(P134) MALIGNANT OTITIS EXTERNA: IS IT BEING OVERDIAGNOSED?
Nicholas P Randolph, BS¹; Christopher Z Wen, MD²; Kevin M Guy, MD²; Marcelina Puc, MS³; Adam C Kaufman, MD, PhD²; ¹University of Maryland School of Medicine; ²Department of Otorhinolaryngology-Head and Neck Surgery, University of Maryland School of Medicine; ³Thomas F. Frist, Jr. College of Medicine, Belmont University

 

(P135) CAN VASCULAR COMPRESSION BE RELIABLY IDENTIFIED ON PRE-OPERATIVE IMAGES IN MICROVASCULAR DECOMPRESSION CASES?
William Coggins, MD¹; Andrew P Mathews¹; Dane G Richey¹; Julie C Necarsulmer, PhD²; Shobhit Sharma, MD¹; Prashanth D Reddy, MD¹; Satya N Patro, MD¹; Deanna Sasaki-Adams, MD¹; ¹University of Arkansas for Medical Sciences (UAMS); ²University of North Carolina Chapel Hill

 

(P137) DISTINCT RADIOGRAPHIC PHENOTYPE OF LOW-GRADE MENINGIOMAS
Abraham Dada; Aymen Kabir; Rithvik Ramesh, BS; Daniel Quintana, BA; Christian Jimenez, BS; Wesley Shoap, MD; Ezequiel Goldschmidt, MD, PhD; University of California, San Francisco

 

(P138) SURGICAL OUTCOMES OF THE PETROCLIVAL MENINGIOMAS RELATED TO TUMOR TYPE: CLASSIC TUMOR CLASSIFICATION AND RECENT UPDATED SURGICAL APPROACHES
Dong-Won Shin¹; Chang-Ki Hong²; ¹Gachon University Gil Medical Center; ²Asan Medical Center

 

(P140) HYPOFRACTIONATED RADIOSURGERY FOR INTRACRANIAL MENINGIOMA - A SYSTEMATIC REVIEW AND META-ANALYSIS OF LITERATURE
Vinay Jaikumar, MD; Jaims Lim, MD; Seth Schrader, BS, MBA; Michael Liu, BS; Naomi Joseph, BS; Hanna N Algattas, MD; Jason M Davies, MD, PhD; Kenneth V Snyder, MD, PhD; Elad I Levy, MD, MBA; Adnan H Siddiqui, MD, PhD; University at Buffalo Neurosurgery

 

(P141) COMPLICATION ANALYSIS AFTER RESECTION OF PARASAGITTAL AND SUPERIOR SAGITTAL SINUS MENINGIOMAS
Ivo Petoe, MD¹; Elliot G Pressman, MD²; Keaton F Piper, MD²; Gabriel Milan-Flores, MD²; Casey Ryan, MD²; Gavin Lockard²; Jonah Gordon²; Adam Alayli²; Harry R van Loveren, MD²; Siviero Agazzi, MD²; ¹University of Pittsburgh Medical Center; ²University of South Florida

 

(P142) THE MULTIPLE FACES OF MENINGIOMAS: DEMONSTRATING ATYPICAL APPEARANCES OF MENINGIOMAS
Florian Stumpf, MD; Daniel Wang, MD; Ann K Jay, MD; Rashmi S Thakkar, MBBS; MedStar Georgetown University Hospital

 

(P143) CHARACTERIZING PATIENT POPULATIONS AT RISK FOR POSTOPERATIVE SEIZURE AFTER PRIMARY MENINGIOMA RESECTION
Mehek Dedhia¹; Emery Monnig¹; Akhil Rao¹; Alex Devarajan²; Ansley Unterberger¹; Emily K Chapman¹; Corey Gill³; Jonathan Dullea⁴; John W Rutland⁵; Margaret Pain¹; Joshua Bederson¹; Raj K Shrivastava¹; ¹Department of Neurosurgery, Icahn School of Medicine at Mount Sinai; ²Icahn School of Medicine at Mount Sinai; ³Department of Emergency Medicine, UPMC-Harrisburg; ⁴Department of Internal Medicine, Icahn School of Medicine at Mount Sinai; ⁵Department of Plastic and Reconstructive Surgery, Medstar Hospital

 

(P144) DEPRESSION AND ANXIETY DO NOT PROLONG LENGTH OF STAY AFTER MENINGIOMA RESECTION
Anne R Lally, BA; Sayak R Ghosh, BS; Isabella L Pecorari, BS; Vijay Agarwal, MD; Albert Einstein College of Medicine

 

(P145) MENINGIOMA SIZE AND ASSOCIATED EDEMA NON-CONTRIBUTORY TO 30-DAY READMISSION RATES OR EXTENDED LENGTH OF STAY
Luke Silveira, MD; Elnur Delahmetovic, MS; William Parkinson, MD; Bruce Tranmer; Brandon Liebelt, MD; University of Vermont Medical Center

 

(P146) SURGICAL MANAGEMENT OF A PAINFUL TEMPORAL BONE EN-PLAQUE MENINGIOMA: A CASE REPORT AND REVIEW OF THE LITERATURE
Prishae Wilson, BS¹; Alok A Bhatt, MD²; Mark A Edgar, MD³; Alfredo Quinones-Hinojosa, MD⁴; Joao Paulo Almeida, MD, PhD⁴; Mallory Raymond, MD¹; ¹Department of Otolaryngology - Head and Neck Surgery, Mayo Clinic Florida; ²Department of Radiology, Mayo Clinic Florida; ³Department of Laboratory Medicine and Pathology, Mayo Clinic Florida; ⁴Department of Neurosurgery, Mayo Clinic Florida

 

(P147) INVESTIGATING THE RELATIONSHIP BETWEEN EXOGENOUS HORMONE THERAPIES AND MENINGIOMA INCIDENCE AMONG WOMEN
Lily Huo, MScGH; Audrey Lee, BS; Adam Eberle, BS; Raj K Shrivastava, MD; Icahn School of Medicine at Mount Sinai

 

(P148) THE IMPACT OF MEDICAID EXPANSION ON INTRACRANIAL MENINGIOMA INCIDENCE
Ryan Armijo, BA¹; Alexander Homer, BA²; Carl Heilman, MD³; Kathryn Noonan, MD⁴; ¹Tufts University School of Medicine; ²Warren Alpert Medical School of Brown University; ³Tufts Medical Center, Department of Neurosurgery; ⁴Tufts Medical Center, Department of Otolaryngology-Head and Neck Surgery

 

(P149) DISTINGUISHING MENINGIOMA VERSUS NONLESIONAL TISSUE AND PREDICTING TUMOR GRADE INTRAOPERATIVELY USING MACHINE LEARNING AND NON-CONTACT FLUORESCENCE SPECTROSCOPY
Syed M Adil, MD; Tanner J Zachem, BSE; Pranav Warman, BS; Jihad Abdelgadir, MD; Benjamin Wissel, MD, PhD; Daniel Sexton, MD; Timothy Dunn, PhD; Ralph Abi Hachem, MD; C Rory Goodwin, MD, PhD; Gerald Grant, MD; Anoop Patel, MD; Allan Friedman, MD; Jordan Komisarow, MD; Ali Zomorodi, MD; Patrick Codd, MD; Duke University Medical Center

 

(P150) A LARGE POPULATION-BASED STUDY ON PATIENTS WITH MENINGIOMA USING THE SURVEILLANCE, EPIDEMIOLOGY AND END RESULTS DATABASE
Abhishek S Bhutada, MD; Srijan Adhikari, MD; Joshua A Cuoco, DO; Austin R Hoggarth, MD; Cara M Rogers, DO; Mark R Witcher, MD, PhD; Eric A Marvin, DO; Carilion Clinic

 

(P151) HISTOLOGICAL FACTORS CONTRIBUTING TO THE VISCOELASTICITY OF INTRACRANIAL MENINGIOMAS ANALYZED BY ATOMIC FORCE MICROSCOPY
Juliette Fournier-Loiselle¹; Théophraste Lescot, Msc²; Stephan Saikali, MD, PHD³; Martin Côté, MD, FRCSC¹; Marc-André Fortin, PhD²; Pierre-Olivier Champagne, MD, FRCSC, PhD¹; ¹Neurosurgery Department, CHU de Québec - Université Laval, Québec, Québec, Canada; ²Materials engineering, CHU de Québec - Université Laval, Québec, Québec, Canada; ³Department of Pathology, CHU de Québec - Université Laval, Québec, Québec, Canada

 

(P152) ANALYSIS OF SURVIVAL AND PREDICTION OF RECURRENCE OF ATYPICAL AND ANAPLASTIC MENINGIOMAS BASED ON TUMOR LOCATION
Peter Erickson, BA; Rafael Martinez-Perez; Geisinger Medical Center

 

(P153) INTRASELLAR MENINGIOMAS: A CASE SERIES AND SYSTEMATIC REVIEW OF LITERATURE
Harshit Arora¹; Saksham Gupta²; Jeffery P Guennete²; Timothy Smith²; Omar Arnaout²; ¹University of Kentucky; ²Brigham and Women's Hospital

 

(P155) SKULL BASE PETROCLIVAL MENINGIOMA: CASE MANAGEMENT AND STRATEGY
Agung Budi Sutiono, MD, PhD; Department of Neurosurgery Hasan Sadikin Hospital, Bandung Indonesia Padjadjaran University

 

(P156) FOUR HAND TECHNIQUE IN PETROCLIVAL MENINGIOMA SURGERY: RESULTS FROM 44 DANISH PATIENTS
Lars Poulsgaard, MD; Jacob Springborg, MD, PhD; Kaare Fugleholm Buch, MD; University Clinic of Neurosurgery, Rigshospitalet, Copenhagen

 

(P157) MULTIVARIATE AND VOLUMETRIC ANALYSIS INDICATES ROBUST TUMOR CONTROL FOLLOWING RADIOTHERAPY FOR SKULL BASE MENINGIOMAS
Akhil Rao, BA¹; Rui Feng, MD, MS²; Ansley Unterberger, MD²; Alex Devarajan, MD¹; Mehek Dedhia, BA¹; Jack Zhang, BA¹; Devarshi Vasa, BA¹; Vikram Vasan, BA¹; Jon Dullea, MD¹; Joshua Bederson, MD²; Paul Gliedman, MD³; Raj Shrivastava, MD²; ¹Icahn School of Medicine at Mount Sinai; ²Icahn School of Medicine at Mount Sinai, Department of Neurosurgery; ³Icahn School of Medicine at Mount Sinai, Department of Radiation Oncology

 

(P158) THE UTILITY OF HEMATOLOGIC INVESTIGATIONS AS A MARKER FOR SPHENO-ORBITAL MENINGIOMA INVASION
Youssef M Zohdy; Razan Faraj; Alejandra Rodas; Leonardo Tariciotti; Justin Maldonado; J. Manuel Revuelta Barbero; Biren K Patel; Megan Cosgrove; Erion De Andrade; Gustavo Pradilla; Tomas Garzon-Muvdi; Emory University

 

(P159) DIFFERENTIATING MENINGIOMA FROM PRIMARY BRAIN MELANOMA: A CASE REPORT OF A DIAGNOSTIC CHALLENGE IN STAGE IV NSCLC
Maxwell A Marino, DO, MPH¹; Ali O Jamshidi, MD²; Fernando A Torres, MD³; ¹Riverside University Health System, Moreno Valley; ²Kaiser Permanente Medical Center, Woodland Hills; ³Kaiser Permanente Medical Center, Los Angeles

 

(P160) ASSOCIATION BETWEEN VESTIBULAR SCHWANNOMA, MENINGIOMA, AND BREAST CANCER: A TWO-PATIENT CASE STUDY
Maxwell A Marino, DO, MPH¹; Ali O Jamshidi, MD²; Fernando A Torres, MD³; ¹Riverside University Health System, Moreno Valley; ²Kaiser Permanente Medical Center, Woodland Hills; ³Kaiser Permanente Medical Center, Los Angeles

 

(P161) MENINGIOMA EN PLAQUE ASSOCIATED WITH CEREBROSPINAL FLUID RHINORRHEA: A CASE REPORT WITH SYSTEMATIC REVIEW
Moataz Abouammo, MD, MSc¹; Mohammad Bilal Alsavaf, MD¹; Maithrea S Narayanan, MBBS, MMED²; Guilherme Mansur, MD³; Chandrima Biswas³; Rodrigo D Gehrke, MD¹; Mahmoud F Abdelaziz, MD, PhD⁴; Magdy E Saafan, MD, PhD⁴; Joshua Vignolles-Jeong, BA⁵; Noha E Shalaby, MD, MSc⁶; Mohamed Ammo, PharmB⁷; Ahmed N Elguindy, MD, MSc⁸; Kyle C Wu, MD³; Kyle K VanKoevering, MD¹; Daniel M Prevedello, MD, MBA³; Ricardo L Carrau, MD, MBA¹; ¹Department of Otolaryngology-Head and Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA; ²Department of Otolaryngology and Head-Neck Surgery, Hospital Kuala Lumpur, Jalan Pahang 50586 Kuala Lumpur, Wilayah Persekutuan Kuala Lumpur, Malaysia; ³Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA; ⁴Department of Otorhinolaryngology-Head and Neck Surgery, Tanta University, Tanta, Egypt; ⁵The Ohio State University, Wexner Medical Center; ⁶Faculty of Medicine, Tanta University, Tanta, Egypt; ⁷The University of Western Ontario; ⁸Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA

 

(P162) CLINICAL, RADIOLOGIC, AND PATHOLOGICAL IMPLICATIONS OF THE DURAL TAIL SIGN IN INTRACRANIAL MENINGIOMAS: A SYSTEMIC REVIEW.
Jun Ma, MD; Jakub Jarmula; Mohamed El-Abtah; Tianqi Xiao; Hana Hallak; Pranay Soni; Pablo F Recino; Varun R Kshettry; Cleveland Clinic Foundation

 

(P163) ENDOSCOPIC ENDONASAL TRANSCRIBIFORM APPROACH FOR RESECTION OF OLFACTORY GROOVE MENINGIOMA
Rodrigo Alves C Cavalcante, MD, PhD¹; Luiz Alves Vieira Netto, MD²; André V Siqueira, MD³; ¹Department of Neurological Surgery, Federal University of Goiás, Goiânia, Brazil; ²Department of Neurological Surgery, Clinics Hospital of the Faculty of Medicine - University Federal of Minas Gerais; ³ICL Otorrino, Goiânia, Brazil

 

(P164) PETROCLIVAL MENINGIOMAS. EXPERIENCE IN ARGENTINIAN CENTER
Andres Cervio, Neurosurgeon¹; Mauro E Ruella, Neurosurgeon¹; Lucila Domecq, MD¹; Jazmin A Fraire, MD¹; Ricardo Marengo²; Ruben Mormandi, Neurosurgeon¹; ¹Fleni; ²Cemic

 

(P165) "SKULL BASE CHONDROSARCOMA" ANALYZING A RARE PATHOLOGY.
Andres Cervio, Neurosurgeon¹; Mauro E Ruella, Neurosurgeon¹; Jazmin A Fraire, MD¹; Lucila Domecq, MD¹; Ruben Mormandi, Neurosurgeon¹; Francisco Marco del Pont, Neurosurgeon¹; Ricardo Marengo, ENT²; ¹Fleni; ²Cemic

 

(P166) SKULL BASE INFLAMMATION: DIAGNOSTIC AND THERAPEUTIC CHALLENGES WITH AN EMPHASIS ON RADIOLOGIC MANIFESTATIONS.
Daniel Wang, MD; Ann Jay, MD; Rashmi Thakkar, MD; Medstar Georgetown University Hospital

 

(P167) SURGICAL RESECTION OF A LARGE BRAIN METASTASIS IN A PATIENT WITH METASTATIC OSTEOSARCOMA: A CARE REPORT. FAREED JUMAH, MD, RAVI NUNNA, MD, ROHAN PATEL, MD, ARNALDO RIVERA, MD, ANDREW YOUKILIS, MD
Fareed Jumah, MD; Ravi Nunna, MD; Rohan Patel, MD; Arnaldo River, MD; Andrew Youkilis, MD; University of Missouri, Columbia, MO

 

(P168) JUVENILE NASOPHARYNGEAL ANGIOFIBROMA (JNA): A SIMPLIFIED RADIOLOGICAL STAGING BASED ON DIFFERENT GROWTH PATTERNS
Douglas Pinheiro Cavalcanti, MD; Fernando Luiz Dias; Marcos Decnop; Terence Pires de Farias; Emilio A. Arteaga; Eduardo Triani Alvarez; Luiza Seganfredo Mainardi; Eduardo Calheiros de Moraes; Pedro Nunes Bernotavicius Araujo; Maria Cristina Traiano Beal; INCA

 

(P169) ASSESSING THE DIAGNOSTIC POWER AND MANAGEMENT RECOMMENDATIONS OF CHATGPT-4 VISION ON ORBITAL FRACTURE IN CT SCAN
Omar Sadat, MD; Kareem Ibrahim-Bacha, BS; Diane Wang, MD; Richard Cui, PhD; John N Nguyen, MD; West Virginia University

 

(P170) MANAGEMENT OF SEVERE CEREBRAL COMPRESSION IN EXTENSIVE CRANIOFACIAL FIBROUS DYSPLASIA
Ludovica Pasquini, MD¹; Guilherme Mansur, MD¹; Marcus Zachariah, MD, PhD²; Daniel Prevedello¹; ¹The Ohio State University; ²University of Mississippi

 

(P171) TWO CASES OF VESTIBULAR NERVE HYBRID NERVE SHEATH TUMOURS AND LITERATURE REVIEW
Celine D Hounjet, MD, BSc; John Maguire, MB, BCh, FRCPC; Brian D Westerberg, MD, MHSc, FRCSC; Ryojo Akagami, MD, BSc, MHSc, FRCSC; University of British Columbia

 

(P172) OPIOID PRESCRIPTION POST-PITUITARY SURGERY: UNVEILING DEMOGRAPHIC DISPARITIES AND TRENDS FROM 2011-2023
Shreya Vinjamuri; Maxwell Pickles; David Bray; James J Evans; Thomas Jefferson University

 

(P173) EARLY EXPERIENCE OF ENDOSCOPIC ENDONASAL APPROACH FOR CRANIOPHARYNGIOMAS AND COMPARISON WITH SUPRAORBITAL KEYHOLE APPROACH: A CASE SERIES
Youngbeom Seo¹; Yoon-Hee Choo²; ¹Yeungnam University Hospital; ²Seoul St.Mary's Hostpital, The catholic University of Korea

 

(P174) CHARACTERIZATION OF LANGERHANS CELL HISTIOCYTOSIS: ANALYSIS OF A CASE SERIES.
Grace Toro, MD¹; Camilo Montaña, MD²; Homero Sariego, Otolaryngologist³; Matías Gómez, Otolaryngologist³; ¹Hospital del Salvador; ²Hospital Roberto del Río; ³Instituto de neurocirugía Dr. Alfonso Asenjo

 

(P175) MOLECULAR MARKERS IN GLIOMAS: A PRACTICAL REVIEW AND ALGORITHM PROPOSAL
Maria I Ocampo-Navia, MD; Felipe Marín Navas, MD; Mariana Agudelo-Arrieta, MD; Alex Taub-Krivoy, MD; Oscar H Feo Lee; Pontificia Universidad Javeriana

 

(P176) CRANIAL NODULAR FASCIITIS: CASE REPORT AND SYSTEMATIC REVIEW OF THE LITERATURE
Mariana Agudelo, MD; Sergio Chacón; Wilfran Perez-Mendez; Manuel Vergara; Hospital Universitario San Ignacio

 

(P178) FUNCTIONAL OUTCOME AFTER SURGICAL TREATMENT OF CAVERNOUS MALFORMATION INVOLVING OCULAR MOTOR CRANIAL NERVES: A SYSTEMATIC REVIEW
Kyoung Su Sung, MD, PhD¹; Ju Hyung Moon, MD, PhD²; Jaejoon Lim, MD, PhD³; ¹Dong-A University Hospital, Dong-A University, College of Medicine; ²Severance Hospital, Yonsei University, College of Medicine; ³Bundang CHA medical center, CHA University College of Medicine

 

(P179) MANIPULATION OF LOWER CRANIAL NERVES AND JUGULAR BULB IN EN BLOC SUBTOTAL TEMPORAL BONE RESECTION FOR ADVANCED SQUAMOUS CELL CARCINOMA OF THE EXTERNAL AUDITORY CANAL: ANATOMICAL CONSIDERATION AND SURGICAL STRATEGIES.
Noritaka Komune¹; Daisuke Kuga²; Satoshi Matsuo³; Osamu Akiyama⁴; Joe Iwanaga⁵; R. Shane Tubbs⁵; Takashi Nakagawa¹; ¹Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University; ²Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University; ³Department of Neurosurgery, Fukuoka Tokushukai Hospital; ⁴Department of Neurosurgery, Juntendo University Faculty of Medicine; ⁵Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine

 

(P181) OPTIMIZING IMAGING QUALITY IN ENDOSCOPIC ENDONASAL SURGERY: A COMPARISON OF THREE TECHNIQUES
Heros Almeida, MD; Dan Zimelewicz Oberman, MD, MSc; Maria Guevara, MD; Bianca Gomes, MD; João Paulo Almeida, MD, PhD; Department of Neurosurgery, Mayo Clinic, Jacksonville, FL

 

(P182) DECLINING MEDICARE REIMBURSEMENT TRENDS IN LATERAL SKULL BASE AND NEUROTOLOGIC PROCEDURES FROM 2000 TO 2024
Masanari G Kato, MD¹; Zachary Buxo²; Robert Hong, MD¹; ¹Michigan Ear Institute; ²Wayne State University School of Medicine

 

(P184) CANCER IS NOT THE ANSWER - GETTING UPSET BY PET FALSE POSITIVES IN THE HEAD, NECK AND SKULL BASE
Artineh Hayrapetian, MD; Claudia F Kirsch, MD, PhD, Candidate; Yale Department of Radiology and Biomedical Imaging

 

(P185) DETERMINING TRENDS IN SKULL BASE NEUROSURGERY USING NATURAL LANGUAGE PROCESSING AND MACHINE LEARNING
Ali A Mohamed, MS¹; Emma Sargent, BS¹; Brandon Lucke-Wold, MD, PhD²; ¹Charles E. Schmidt College of Medicine, Florida Atlantic University; ²Lillian S. Wells Department of Neurosurgery, University of Florida

 

(P187) A 15-YEAR SINGLE CENTER EXPERIENCE ON THE SURGICAL MANAGEMENT OF ADULT INTRACRANIAL EPENDYMOMAS
Elliot Pressman, MD; Samantha Schimmel; Maya Toothman; Emma Dunn; Siviero Agazzi, MD, MBA; Harry van Loveren, MD; Kunal Vakharia, MD; University of South Florida

 

(P188) CORTICOBULBAR MOTOR EVOKED POTENTIALS FOR FACIAL AND LOWER CRANIAL NERVES: A SYSTEMATIC REVIEW OF APPLICATIONS AND LIMITATIONS
Casey A Jarvis, MD¹; Ruchit Patel, BS¹; James T McMahon, MD¹; Matthew Toczylowski, CNIM²; Mitali Bose, CNIM²; Wenya L Bi, MD, PhD¹; ¹Brigham and Women's Hospital; ²Specialty Care

 

(P189) EVALUATION OF NAMED ENTITY RECOGNITION FOR AUTOMATED EXTRACTION OF PRESENT TUMOUR SIZE AND PERSONAL NAMES FROM RADIOLOGY REPORTS USING SPACY
Lorena Garcia-Foncillas Macias¹; Theodore Barfoot¹; Tom Vercauteren¹; Jonathan Shapey, PhD, FRCS (Neuro.Surg)²; ¹School of Biomedical Engineering & Imaging Sciences, King's College London; ²Department of Neurosurgery, King's College Hospital NHS Foundation Trust

 

(P190) SKULL BASE SURGERY OUTCOMES: A FIVE-YEAR RETROSPECTIVE STUDY OF ENDONASAL ENDOSCOPIC PROCEDURES
Guilherme Mansur, MD; Guilherme Veloso, MD; Guilherme Batista, MD; Wellington Botelho, MD; Bruna A Carvalho, MD; João Tiago A Belo, MD; Lucas R Lima, MD, PhD; Rodrigo M Faleiro, MD; Hospital Felicio Rocho

 

(P191) COURTHOUSES AND CRANIOTOMIES: MEDICAL MALPRACTICE INDEMNITY PAYMENTS AND LITIGATION VERDICTS IN SKULL BASE AND CEREBROVASCULAR NEUROSURGICAL PRACTICE IN THE 21ST CENTURY
Danner W Butler; Mehdi Khaleghi; Garrett Dyess; Maxon Bassett; Nathan Ashburn; Lake Higdon; Adnan Shahid; Jai D Thakur, MD, FAANS; University of South Alabama

 

(P192) ANALYSIS OF GLUCAGON-LIKE PEPTIDE-1 RECEPTOR AGONIST (GLP-1-RA) USE IN PATIENTS WITH IDIOPATHIC INTRACRANIAL HYPERTENSION (IIH)
Amanda Bingaman, BA, MS¹; Preston Carey, BS¹; India Shelley, BS¹; Roger Murayi, MD¹; Mindy Rabinowitz, MD²; Gurston Nyquist, MD²; Marc Rosen, MD²; Elina Toskala, MD²; David Bray, MD¹; James J Evans, MD¹; ¹Department of Neurological Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States; ²Department of Otolaryngology, Thomas Jefferson University Hospital, Philadelphia, PA, United States

 

(P194) EMBRYONAL TUMORS WITH MULTILAYERED ROSETTES: A COMPREHENSIVE CASE REPORT AND SYSTEMATIC REVIEW
Joshua Marquez, MSc¹; Tom Limanovich, BS¹; Mia Lobitz, BA¹; Kylee Taylor, BS¹; Stephen Glennon, MD²; Evan Courville, MD³; James Botros, MD³; Ariana Barkley, MD³; ¹University of New Mexico School of Medicine; ²University of Iowa Hospitals and Clinics; ³University of New Mexico Hospital

 

(P196) PEDIATRIC SINONASAL CHONDROMESENCHYMAL HAMARTOMAS: CASE REPORT AND OPERATIVE CONSIDERATIONS FOR CRANIOFACIAL GROWTH OPTIMIZATION IN EXPANDED ENDONASAL APPROACHES
Elaina J Wang, MD¹; Natalie Amaral-Nieves, MD¹; Mattthew Kovoor, BA¹; Peter Steinwald, MD²; Maria Koenigs, MD¹; Basit Jawad, MD¹; Christine K Lee, MD, PhD¹; ¹Brown University; ²Tufts Medical Center

 

(P197) TRANSORAL RESECTION OF A SYMPTOMATIC PEDIATRIC ODONTOID PROCESS ANEURYSMAL BONE CYST
Akshay V Save, MD; Michael Jin; Elad Mashiach; Michael Montalbaron, MD; Michael Persky, MD; David Harter, MD; Christina E Sarris, MD; NYU Langone Health

 

(P198) TECTAL GLIOMA WITH CONCURRENT INTRACEREBRAL ABSCESS SECONDARY TO INFECTED SPHENOID ENCEPHALOCELE
Alexander R Evans; Jack E Stanfield; Edward El Rassi, MD; Karl E Balsara, MD; University of Oklahoma

 

(P199) PRIMARY GIANT CELL TUMOR OF THE SKULL BASE WITH HMGA::NCOR2 FUSION, AN ULTRA-RARE ENTITY IN THE YOUNG PEDIATRIC PATIENT
Kelly A Shaftel, MD¹; Smruti K Patel, MD²; ¹Henry Ford Health; ²Cincinnati Children's Hospital Medical Center

 

(P200) ETIOLOGY AND MANAGEMENT OF RECURRENT HEMIFACIAL SPASM - A SINGLE-CENTER EXPERIENCE
Mariam A Al Mutawa, MD¹; Werner Hosemann²; Chia Jung-Busch, MD³; Henry W Schroeder¹; ¹Department of Neurosurgery, University Medicine Greifswald; ²ENT Department, Klinikum Stralsund; ³ENT Department, University Medicine Greifswald

 

(P203) SPONTANEOUS SUBAPONEUROTIC FLUID COLLECTION IN AN INFANT
Ali A Mohamed, MS¹; Leana Pinas-Zade, BS²; Emma Sargent, BS¹; Paul Christakis, MD¹; Brandon Lucke-Wold, MD, PhD³; ¹Charles E. Schmidt College of Medicine, Florida Atlantic University; ²College of Medicine, Florida State University; ³Lillian S. Wells Department of Neurosurgery, University of Florida

 

(P204) SKULL BASE MALIGANCY MIMICKING OSTEOMYELITIS IN A 6-YEAR OLD
Avraham Adelman, BS; Nikita Chapurin, MD, MHS; Brian Lobo, MD; Si Chen, MD; University of Florida

 

(P205) OUTCOMES OF A MODERN TREATMENT APPROACH: ENDOSCOPIC ENDONASAL AND TRANSMAXILLARY RESECTION FOR ADVANCED JUVENILE NASOPHARYNGEAL ANGIOFIBROMA
Ali A Alattar, MD, MAS; Madison Remick, MD; Joseph Garcia, MD; David Fernandes-Cabral, MD; Georgios Zenonos, MD; Garret Choby, MD; Amanda Stapleton, MD; Eric W Wang, MD; Carl Snyderman, MD, MBA; Paul A Gardner, MD; Michael M McDowell, MD; University of Pittsburgh Medical Center

 

(P206) HEADACHE AS AN INDICATION FOR SURGERY IN NON-FUNCTIONING PITUITARY ADENOMA AND RATHKE'S CLEFT CYST: A SYSTEMATIC REVIEW
Adrianna Wierzbicka, MD¹; Hediye Gholamshahi, MD, MPH²; Alireza Soltani Khaboushan, MD, MPH²; Farhang Rashidi, MD, MPH²; Mohammadmahdi Sabahi, MD, MPH¹; Mohammad Mofatteh, PhD, MPH, PGCert, TLHE, MSc^3,4; Anam Baig, DO⁵; Badih Adada, MD¹; Hamid Borghei-Razavi, MD¹; ¹Department of Neurological Surgery, Pauline Braathen Neurological Center, Cleveland Clinic Florida, Weston, FL, USA; ²Department of Neurosurgery, Tehran University of Medical Sciences, Tehran, Iran; ³School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, UK; ⁴Neuro International Collaboration (NIC), London, UK; ⁵Department of Neurology, Pauline Braathen Neurological Center, Cleveland Clinic Florida, Weston, FL, USA

 

(P207) MULTI-FACTOR PREDICTION MODEL FOR ESTIMATING SURGICAL REMISSION IN ACROMEGALY PATIENTS
Biren K Patel, MBBS, MS, MCh; Leonardo Tariciotti; Alejandra Rodas; Youssef Zohdy; J. Manuel Revuelta Barbero; Erion Jr De Andrade; Justin Maldonado; Samir Lohana; Rodrigo Uribe-Pacheco; Hanyao Sun; Roberto Soriano; Tomas Garzon-Muvdi; C.Arturo Solares; Gustavo Pradilla; Emory University

 

(P208) GENDER DISPARITY IN PITUITARY ADENOMA CLINICAL TRIALS MAY UNINTENTIONALLY BIAS RESULTS AND APPLICATION TO CLINICAL SCENARIOS
Alexa R Lauinger¹; Suguna Pappu, MD²; Ann Stroink³; ¹Carle Illinois College of Medicine; ²Department of Neurosurgery, Carle Foundation Hospital; ³Illinois State University

 

(P209) COMPARISON OF STOP-BANG SCORES BETWEEN PATIENTS UNDERGOING ENDOSCOPIC ENDONASAL APPROACH SURGERY FOR RESECTION OF PITUITARY ADENOMA
Edward A Harwick, BS¹; Nathan T Zwagerman, MD¹; Lauren M North, MD²; ¹Department of Neurosurgery, Medical College of Wisconsin & Froedtert Hospital, Milwaukee, WI, USA; ²Department of Otolaryngology, Medical College of Wisconsin & Froedtert Hospital, Milwaukee, WI, USA

 

(P210) MULTIFACETED PRESENTATION OF THE GH-POSITIVE PIT-1 LINEAGE PITUITARY TUMORS: LITERATURE REVIEW AND REPRESENTATIVE CASES
Abigail K Peterson; Hailey Mattheisen; Kelly Mrachek; Nathan Zwagerman; Adriana Iaochimescu, Dr; Stephanie Cheok; Medical College of Wisconsin

 

(P211) A COMPARATIVE ANALYSIS OF GROWTH HORMONE-SECRETING MIXED GANGLIOCYTOMA-PITUITARY ADENOMAS AND PURE GROWTH HORMONE PITUITARY ADENOMAS
Hailey Mattheisen, MS; Abigail K Peterson, BS; Abdullah Memon, BS; Margaret Allen, BS; E. Kelly S Mrachek, MD, MS; Samon Tavakoli, MD; Nathan Zwagerman, MD; Stephanie Cheok, MD; Medical College of Wisconsin

 

(P212) ANALYSIS OF GLUCAGON-LIKE PEPTIDE AGONIST USE IN PATIENTS WITH TRANSSPHENOIDAL SURGERY OF THE PITUITARY ADENOMA OVER TIME
Maxwell W Pickles, BA¹; Fox Ryker, BS²; Shreya Vinjamuri, BS¹; Preston Carey, BS¹; Thomas Rohan, BS¹; India Shelley, BA¹; Amanda Bingaman, BS³; Roger Murayi, MD⁴; David Bray, MD⁴; James J Evans, MD⁴; ¹Sidney Kimmel Medical College; ²Philadelphia College of Osteopathic medicine; ³Lewis Katz School of Medicine; ⁴Department of Neurological Surgery Thomas Jefferson University Hospital

 

(P213) RISK OF POSTOPERATIVE COMPLICATIONS IN PATIENTS WHO UNDERWENT TRANSSPHENOIDAL PITUITARY SURGERY TREATED WITH GLUCAGON-LIKE PEPTIDE AGONISTS (TRINETX)
Maxwell W Pickles, BA¹; Fox Ryker, BS²; Shreya Vinjamuri, BS¹; Preston Carey, BS¹; Thomas Rohan, BS¹; India Shelley, BA¹; Amanda Bingaman, BS³; Roger Murayi, MD⁴; David Bray, MD⁴; James J Evans, MD⁴; ¹Sidney Kimmel Medical College; ²Philadelphia College of Osteopathic medicine; ³Lewis Katz School of Medicine; ⁴Department of Neurological Surgery Thomas Jefferson University Hospital

 

(P214) CONCURRENT WHO GRADE 1 MENINGIOMA AND SOMATOTROPH PITUITARY NEUROENDOCRINE TUMOR: A CASE REPORT AND LITERATURE REVIEW
Chenyi Yang; Joshua Kurtz, MD; Nischal Acharya; Jordan Davies; Frank Hsu; UCI

 

(P215) SOCIOECONOMIC FACTORS AND HEALTH DISPARITIES IN PATIENTS WITH PITUITARY APOPLEXY.
Amanda Bingaman, BA, MS¹; India Shelley, BS¹; Gabriel Levis, BS¹; Shiv Patil, BS²; Roger Murayi, MD¹; David Bray¹; James J Evans, MD¹; ¹Department of Neurological Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States; ²Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, United States

 

(P216) ENDOSCOPIC TRANSSEPTAL TRANSSPHENOIDAL SURGERY FOR PITUITARY TUMORS: A DOUBLE-CENTER PRELIMINARY EXPERIENCE
Alessio Iacoangeli¹; Maurizio Gladi¹; Fabio Greco²; Denis Aiudi¹; Fabiola Cappella¹; Love Chibuzor Ilochonwu¹; Klaudia Mustekja¹; Maurizio Iacoangeli¹; ¹Polytechnic University of Marche; ²Policlinico Campus Bio-Medico di Roma

 

(P217) FEASIBILITY OF SPATIAL GENOMIC ANALYSIS ON PITUITARY ADENOMAS FOR UNDERSTANDING TUMOR MICRO-ENVIRONMENT
Zachary Sorrentino, MD, PhD; Steven Roper, MD; Christopher Vulpe, MD, PhD; Brandon Lucke-Wold, MD, PhD; University of Florida College of Medicine, Gainesville, FL, USA

 

(P218) SOCIAL DETERMINANTS OF HEALTH IN PITUITARY SURGERY: A CASE SERIES OF 48 PATIENTS
Emmajane G Rhodenhiser, BS; Cordelia M Orillac, MD; Carter Suryadevara, MD, PhD; Kenar Gelman, BA; Liya S Madhok; Alec E Vaezi, MD, PhD; Ricky Madhok, MD; NYU Langone Health

 

(P219) EFFECT OF AN ENHANCED RECOVERY PROTOCOL ON LENGTH OF STAY AND READMISSION RATE FOLLOWING ENDOSCOPIC ENDONASAL RESECTION OF PITUITARY ADENOMAS AT A LARGE TERTIARY CARE CENTER
Carter M Suryadevara, MD; Rajeev Sen, MD; Akshay Save, MD; Karenna J Groff; Demetria Walker; Ilona Cazorla-Morales; Seth M Lieberman, MD; Richard A Lebowitz, MD; Dimitris G Placantonakis, MD; Chandra N Sen, MD; John G Golfinos, MD; Donato Pacione, MD; NYU Langone Health

 

(P220) REGRESSION OF PITUITARY MACROADENOMA AFTER ENDOVASCULAR EMBOLIZATION OF THORACIC CSF-VENOUS FISTULA FOR SYMPTOMATIC INTRACRANIAL HYPOTENSION
Carter M Suryadevara, MD; Albert Liu, MD; Rajeev Sen, MD; Karenna J Groff; Ilona Cazorla-Morales; Demetria Walker; Ayaz Khawaja, MD; Joseph Boonsiri, MD; Eytan Raz, MD; Donato Pacione, MD; NYU Langone Health

 

(P221) LONG-TERM VISUAL FIELD OUTCOMES FOLLOWING ENDOSCOPIC TRANSSPHENOIDAL SURGERY FOR PITUITARY ADENOMAS
Rishi Katragadda, BS; Ross Rosen; John Richter Jr.; Daniel Karasik; Claudia I Cabrera, MD, MS; Kenneth Rodriguez, Dr; Sanjeet V Rangarajan; Brian D D'Anza, Dr; University Hospitals

 

(P222) SOCIOECONOMIC DISPARITIES IN PITUITARY ADENOMAS OUTCOMES
Ross S Rosen¹; John Richter¹; Daniel Karasik¹; Rishi Katragadda²; Claudia I Cabrera, MD¹; Kenneth Rodriguez, MD¹; Sanjeet V Rangarajan, MD¹; Brian D'Anza, MD¹; ¹University Hospitals Cleveland Medical Center Department of Otolaryngology-Head and Neck Surgery; ²Case Western Reserve University School of Medicine

 

(P224) INTRAOPERATIVE VENOUS AIR EMBOLISM DURING ENDOSCOPIC TRASSPHENOIDAL SURGERY: A CASE REPORT AND RECOMMENDATIONS FOR MANAGEMENT
Thomas Hanks, BS; Kyly Hiatt, BS; Spencer Raub, BA; Jessica Eaton, MD; Dominic Nistal, MD; Kaity Hartl, MS, PAC; Fatima El-Ghazali, MD; Aria Jamshidi, MD; Samuel Emerson, MD, PhD; Manuel Ferreira, MD, PhD; Jacob Ruzevick, MD; University of Washington

 

(P226) EXPLORING THE RELATIONSHIP BETWEEN SERUM MARKERS, IMMUNOHISTOCHEMISTRY MARKERS, AND CLINICAL OUTCOMES FOLLOWING ENDOSCOPIC ENDONASAL RESECTION OF PITUITARY NEUROENDOCRINE TUMORS: INSIGHTS FROM A SINGLE-CENTER EXPERIENCE IN LATIN AMERICA
Edgar G Ordonez-Rubiano, MD, PhDc; Laura F Bonilla-Mendoza, MD; Julian D Barraza-Diaz, MD; Luis E Umana-Laiton, MD, MSc; Oscar F Zorro-Guio, MD; Martin Pinzon, MD; Javier G Patiño-Gomez, MD; Fundacion Universitaria de Ciencias de la Salud

 

(P228) PROLACTINOMA LOCALIZATION BY INFERIOR PETROSAL SINUS SAMPLING: ILLUSTRATIVE CASE
A. Karim Ahmed, MD; Philippe Gailloud, MD; Sachin K Gujar, MBBS; Calixto-Hope G Lucas, MD; Amir H Hamrahian, MD; Roberto Salvatori, MD; Masaru Ishii, MD, PhD; Gary L Gallia, MD, PhD; Johns Hopkins University

 

(P229) AGGRESSIVE PITUITARY ADENOMAS: CLINICAL PREDICTORS FOR RAPIDLY RECURRENT PITUITARY ADENOMAS - LOOKING BEYOND PROLIFERATIVE MARKERS
Christoph Wipplinger, MD; Yuki Shinya, MD; Salomon Cohen Cohen, MD; Charbel Moussalem, MD; Tamara M Wipplinger, MSc; Delal Bektas, MD; Ugur T Sener, MD; Irina Bancos, MD; Dana Erickson, MD; John L Atkinson, MD; Jamie J Van Gompel, MD; Mayo Clinic

 

(P230) SOCIAL VULNERABILITY IS POSITIVE CORRELATED WITH NUMBER OF CANCELLED POSTOPERATIVE APPOINTMENTS FOLLOWING PITUITARY ADENOMA RESECTION
Sayak R Ghosh, BS; Anne Lally, BS; Isabella L Pecorari, BS; Vijay Agarwal, MD; Montefiore Medical Center

 

(P231) VISION LOSS AT PRESENTATION IS ASSOCIATED WITH INCREASED LIKELIHOOD OF PITUITARY TUMOR RECURRENCE
Sayak R Ghosh, BS; Anne Lally, BS; Isabella L Pecorari, BS; Vijay Agarwal, MD; Montefiore Medical Center

 

(P232) FACTORS ASSOCIATED WITH PITUITARY TUMOR VOLUME: SOCIAL VULNERABILITY AND BMI
Sayak R Ghosh, BS; Anne Lally, BS; Isabella L Pecorari, BS; Vijay Agarwal, MD; Montefiore Medical Center

 

(P233) OLDER PATIENTS WITH PITUITARY ADENOMAS ARE MORE LIKELY TO PRESENT WITH VISION LOSS
Sayak R Ghosh, BS; Anne Lally, BS; Isabella L Pecorari, BS; Vijay Agarwal, MD; Montefiore Medical Center

 

(P234) BLACK PATIENTS WITH PITUITARY TUMORS HAVE GREATER KI67 LEVELS, WHICH IS INDEPENDENTLY ASSOCIATED WITH INCREASED TUMOR VOLUME
Sayak R Ghosh, BS; Anne Lally, BS; Isabella L Pecorari, BS; Vijay Agarwal, MD; Montefiore Medical Center

 

(P235) PROGNOSTICATION OF BIOCHEMICAL REMISSION FOLLOWING PITUITARY ADENOMA RESECTION IN CUSHING'S DISEASE USING POSTOPERATIVE CORTISOL TRAJECTORIES
Rushmin Khazanchi¹; Sachin Govind¹; Joshua Vignolles-Jeong²; Vikas Munjal²; Stephen T Magill¹; Daniel M Prevedello²; ¹Northwestern University; ²Ohio State University

 

(P236) IMPACT OF LESION SIZE ON POSTOPERATIVE OUTCOMES IN A LARGE SINGLE INSTITUTIONAL COHORT OF SOMATOTROPH TUMORS RECEIVING TRANSSPHENOIDAL SURGERY
Sean Lyne, MD; Kaasinath P Balagurunath, BA; Christopher S Hong, MD; Jakob Gerstl, MBBS; Ryan Chrenek, MD; Noah L Nawabi, BS; Rania A Mekary, PhD; Timothy R Smith, MD, PhD; Brigham and Women's Hospital

 

(P237) PATIENT-REPORTED OUTCOME MEASURES IN ENDONASAL SKULL BASE SURGERY (PROMESS)— PROSPECTIVE MULTI CENTRE VALIDATION STUDY
Joachim Starup-Hansen, BMBS¹; John G Hanrahan, MBBS, BSc¹; Danyal Z Khan, MRCS¹; Simon C Williams, MRCS, BMedSci, MBChB²; Jonathan Funnell, MRCS³; Chan Hee Koh, MRCS¹; George E Richardson, MBChB, MRes¹; Stephanie E Baldeweg, FRCP⁴; Hani J Marcus, PhD, FRCS¹; Promess Consortium⁵; ¹The National Hospital for Neurology and Neurosurgery, London, UK.; ²The Royal London Hospital, London, UK; ³Kings College Hospital, London, UK; ⁴University College London Hospitals NHS Foundation Trust,; ⁵Promess Consortium

 

(P238) COMPARISON OF PREOPERATIVE IMAGING FEATURES AND POSTOPERATIVE OUTCOMES BETWEEN NULL-CELL AND SILENT NONFUNCTIONING PITUITARY ADENOMAS
Kevin L Webb, PhD¹; Ramin A Morshed, MD²; Miguel Saez-Alegre, MD, PhD¹; Mickayla L Hinkle, PAC¹; Yuki Shinya, MD, PhD¹; Jamie J Van Gompel, MD¹; ¹Mayo Clinic; ²University of California, San Francisco

 

(P240) FROM PRIMARY TO PITUITARY: SKULL BASE TUMOR-TO-TUMOR METASTASIS INSIGHTS AND SYSTEMATIC REVIEW
Guilherme Mansur, MD; Mohammad B Alsavaf, MD; Ludovica Pasquini, MD; Moataz D Abouammo, MD, MSc; Chandrima Biswas, MD; Pavnesh Kumar, MD; Raju R Raval, MD; Peter Kobalka, MD; Ricardo L Carrau, MD; Daniel M Prevedello, MD; The Ohio State University

 

(P241) FUNCTIONING ADENOMA WITH CAVERNOUS INVASION - MANAGING CAVERNOUS SINUS DISEASE AS NEW FACULTY
M. Salman Ali, MD; Kenneth Byrd, MD; Fernando Vale, MD; Medical College of Georgia at Augusta University

 

(P242) USING THE NOSE-PERF SCALE FOR SYMPTOM ASSESSMENT AFTER TRANSSPHENOIDAL APPROACH TO THE PITUITARY GLAND
Pedro Lanca Gomes, MD; Gaurav Jategaonkar; Jess Qu; Nitish Kumar, MBBS, MS; Amar Miglani, MD; Devyani Lal, MD; Stephen F Bansberg, MD; Michael J Marino, MD; Mayo Clinic Arizona

 

(P243) NEGATIVE PITUITARY MRI FINDINGS IN CUSHING'S DISEASE DO NOT LEAD TO INFERIOR RATES OF LONG-TERM REMISSION FOLLOWING TRANSSPHENOIDAL SURGERY-A SINGLE CENTER EXPERIENCE
William Burns; Gurkirat Kholi, MD; Tharan Mungara; Nicolas Contento, MD; Prasanth Romiyo, MD; Rohin Singh, MD; Ismat Shafiq, MBBS; Edward Vates, MD, PhD; URMC

 

(P244) PITUITARY APOPLEXY PRECIPITATED BY NON-CRANIAL SURGERIES
Sonia Ajmera, MD¹; Kristen Park²; Claudia Hejazi-Garcia²; Millie Huang²; David Lerner, MD³; Alan D Workman, MD³; Sanjana Salwi, MD¹; Rashad Jabarkheel, MD¹; Timothy Darlington, MD¹; Alex Vaz, MD, PhD¹; M Sean Grady, MD¹; Neil Malhotra, MD¹; Dmitriy Petrov, MD¹; Daniel Yoshor, MD¹; Nithin Adappa, MD³; James N Palmer, MD³; Christina Jackson, MD¹; ¹University of Pennsylvania Health System, Department of Neurosurgery; ²Perelman School of Medicine, University of Pennsylvania; ³University of Pennsylvania Health System, Department of Otolaryngology

 

(P245) ONODI CELL DEHISCENCE:A RARE CAUSE OF OPHTHALMIC ARTERY INJURY IN ENDONASAL SURGERY
Rajesh Chhabra, Professor¹; Apinderpreet Singh, MS, Mch²; ¹PGIOMER; ²PGIMER

 

(P246) PITUITARY APOPLEXY: NAVIGATING THE ONGOING DILEMMA OF SURGICAL VS. CONSERVATIVE MANAGEMENT
Rajesh Chhabra, Professor; Apinderpreet Singh, MD; PGIMER

 

(P248) LIMITED ACCURACY AND UTILITY OF SURGEON'S ESTIMATE OF GROSS TOTAL RESECTION FOLLOWING ENDOSCOPIC ENDONASAL TRANSSPHENOIDAL SURGERY FOR NON-HORMONE PRODUCING PITUITARY MACROADENOMAS
Jesse D Lawrence, MD; Parsa Nilchian, BS; Jeffrey Shi, BS; Steven Zeldin; Rupen Desai, MD; Theodore H Schwartz, MD; Weill Cornell Medicine

 

(P249) ANGIOGRAPHIC RISK FACTORS FOR MISLATERALIZATION WITH INFERIOR PETROSAL SINUS SAMPLING IN CUSHING'S DISEASE
Nicole M De La Pena, MD; Michael Martini, MD, PhD; R. Chase Ransom, MD, PhD; Ramin Morshed, MD; Derek O'Keeffe, MD, PhD; William Young Jr., MD; John Atkinson, MD; Lorenzo Rinaldo, MD, PhD; Harry Cloft, MD, PhD; Jamie Van Gompel, MD; Mayo Clinic Hospital

 

(P251) TWO RARE CASES OF CUSHING'S DISEASE IN FUNCTIONAL PLEURIHORMONAL PITUITARY NEUROENDOCRINE TUMORS POSITIVE FOR TPIT, ACTH AND FSH
Alexander S Himstead, MD¹; Aaron McBride²; Ameera Shareef, BS³; Gianna M Fote, MD, PhD¹; Mari Perez-Rosendahl, MD¹; Aaron B Simon, MD, PhD¹; Edward C Kuan, MD¹; Frank P Hsu, MD, PhD¹; Ahmed Mohyeldin, MD, PhD¹; ¹University of California, Irvine; ²North Carolina Agricultural and Technical State University; ³University of California, San Diego

 

(P252) CLINICAL CHARACTERISTICS AND POSTOPERATIVE OUTCOMES IN A LARGE COHORT OF PATIENTS WITH PROLACTIN COSTAINING SOMATOTROPH TUMORS
Kaasinath P Balagurunath, BA¹; Christopher S Hong, MD¹; Jakob V Gerstl, MBBS¹; Ryan Chrenek, MD¹; Sean Lyne, MD¹; Noah L Nawabi, BS¹; Rania A Mekary²; Timothy R Smith, MD, PhD¹; ¹Brigham and Women's Hospital; ²School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University

 

(P253) LONG-TERM RADIOGRAPHIC CHANGES OF VASCULARIZED PEDICLED NASOSEPTAL FLAPS AFTER ENDOSCOPIC ENDONASAL SKULL BASE SURGERY
Alexander Himstead; Nolan K Winslow; Jeremy Guinn; Joseph Lockwood; Ben Bitner; Frank Hsu; Edward Kuoy; Edward Kuan; University of California Irvine

 

(P254) POSTOPERATIVE CSF LEAKS IN 1,119 TRANSSPHENOIDAL SURGERY PATIENTS: A SINGLE INSTITUTIONAL EXPERIENCE OVER TIME
Kaasinath P Balagurunath, BA¹; Christopher S Hong, MD¹; Jakob V Gerstl, MBBS¹; Ryan Chrenek, MD¹; Sean Lyne, MD¹; Noah L Nawabi, BS¹; Rania A Mekary, PhD²; Timothy R Smith, MD, PhD¹; ¹Brigham and Women's Hospital; ²School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences (MCPHS) University

 

(P255) PEDICLED NASOSEPTAL FLAP AFTER ENDOSCOPIC ENDONASAL RESECTION OF SKULL BASE TUMORS: A COMPARATIVE META-ANALYSIS WITH OTHER MODALITIES OF RECONSTRUCTION
Adriano Lino-Filho¹; Rodrigo Cavalcante, PhD¹; Mateus Fernandes¹; Otávio Teixeira¹; Júlia Gomes²; Weder Borges-Júnior¹; Leandro Camargo, PhD³; ¹Division of Neurosurgery, Department of Surgery, Medical School, Clinics Hospital, Federal University of Goiás, Goiânia, Goiás, Brazil; ²Department of Otorhinolaryngology, General Hospital of Goiânia, Goiás, Brazil.; ³Division of Otorhinolaryngology, Department of Surgery, Medical School, Clinics Hospital, Federal University of Goiás, Goiânia, Goiás, Brazil

 

(P256) DELAYED CEREBROSPINAL FLUID LEAK FOLLOWING ENDOSCOPIC TRANSNASAL SKULL BASE SURGERY: ASSOCIATION BETWEEN RECONSTRUCTION METHOD AND RADIATION THERAPY
Motoyuki Umekawa, MD¹; Hirotaka Hasegawa¹; Yuki Shinya¹; Masahiro Shin²; Nobuhito Saito¹; ¹The University of Tokyo Hospital; ²Teikyo University Hospital

 

(P258) CSF LEAK ASSOCIATED WITH POEMS SYNDROME
Joshua Pasol, MD¹; Roy Casiano, MD²; ¹Bascom Palmer Eye Institute University of Miami Miller School of Medicine; ²University of Miami Miller School of Medicine Department of Otolaryngology

 

(P259) TECHNIQUE TO ADD SUPERIOR AND LATERAL REACH OF THE NASOSEPTAL FLAP FOR FRONTAL SINUS POSTERIOR TABLE SKULL BASE DEFECTS: THE ORBITO-FRONTAL RECESS EXPANSION.
Axel Renteria, MD, MS¹; Maxime Fieux, MD, PhD¹; Lirit Levi, MD¹; Cecilia Rosso, MD²; Lya Mont'Alverne, MD³; Zechariah Franks, MD, MPH¹; Michael Chang, MD¹; Jayakar Nayak, MD, PhD¹; Peter Hwang, MD¹; Juan-Carlos Fernandez-Miranda, MD¹; Zara Patel, MD¹; ¹Stanford University; ²University of Milan, Milan, Italy; ³Hospital de Clínicas da Unicamp, Sao Paolo, Brazil

 

(P260) REPAIR OF CEREBROSPINAL FLUID LEAKS OF THE TEMPORAL BONE VIA A TRANS-MASTOID APPROACH: AN UPDATED SINGLE CENTER'S EXPERIENCE
Andres Restrepo¹; Leonard Verhey¹; Macy Mitchell²; Gregory Artz¹; Todd Vitaz¹; ¹Corewell Health; ²Michigan State University- College of Human Medicine

 

(P262) PATIENT REPORTED OUTCOMES ASSOCIATED WITH VIRTUAL SURGICAL PLANNING OF NASOSEPTAL FLAP RECONSTRUCTION OF SELLAR AND SUPRASELLAR LESIONS: PRELIMINARY ANALYSIS
Ryan A Rimmer, MD; S. Bulent Omay, MD; Yale School of Medicine

 

(P263) PLATE GOING ROGUE? DELAYED WOUND COMPLICATIONS FOLLOWING REABSORBABLE MESH CRANIOPLASTY
Camille Sluder, MD¹; J W Kutz, MD²; Isaac Rutel, PhD, DABR¹; Alexander Bien, MD¹; ¹University of Oklahoma Health Science Center; ²UT Southwestern

 

(P264) INNOVATIVE CUSTOMIZATIONS TO POROUS POLYETHYLENE CRANIOPLASTY IMPLANTS FOR ENHANCED COSMESIS IN ANTERIOR SKULL BASE RECONSTRUCTION
Bethany J Andrews, MD¹; Olivia E Gilbert, MD¹; Brian Thorp, MD, FACS¹; Carolyn Quinsey, MD²; ¹University of North Carolina; ²University of Missouri

 

(P266) ASSOCIATION OF TEMPORAL BONE ENCEPHALOCELES AND CHRONIC OTITIS MEDIA
Neal Jackson, MD, MBA, FACS; Tulane University

 

(P267) ANTERIOR SKULL BASE RECONSTRUCTION FOR THE MANAGEMENT OF CSF LEAKS: A TECHNICAL SERIES OF 221 FRONTAL CRANIOTOMIES
Malia McAvoy, MD, MS¹; Zachary Abecassis, MD¹; Varadaraya Shenoy, MD¹; Rajeev Sen, MD²; Kristin Moe, MD³; Laligam Sekhar, MD¹; ¹University of Washington, Department of Neurological Surgery; ²New York University, Department of Neurosurgery; ³University of Washington, Department of Otolaryngology

 

(P268) MULTIPLE SPONTANEOUS SKULL BASE CEREBROSPINAL FLUID LEAKS: A SINGLE INSTITUTION EXPERIENCE CONSIDERING RISK FACTORS, RECURRENCE, AND SURGICAL CONSIDERATIONS
Patrick Opperman, MD; William Thorell, MD; Daniel Surdell, MD; University of Nebraska Medical Center

 

(P269) ENDONASAL FLAPS FOR VASCULARIZED VENTRAL SKULL BASE RECONSTRUCTION IN THE SETTING OF OSTEORADIONECROSIS
Farhoud Faraji, MD, PhD; Angel Perez; Thomas L Beaumont; Carol H Yan; Adam S DeConde; UC San Diego Health

 

(P270) ENDOSCOPIC REPAIR OF SKULL BASE DEFECTS USING FREE TISSUE TRANSFER: A CASE SERIES
Eric Nisenbaum, MD, MSc; Joseph Lee, MD; Ricardo Carrau, MD; Kyle VanKoevering, MD; The Ohio State University Wexner Medical Center Department of Otolaryngology - Head and Neck Surgery

 

(P271) GLOBAL PREVALENCE, RECURRENCE, AND RISK FACTORS ASSOCIATED WITH SPONTANEOUS CSF RHINORRHEA - A SYSTEMATIC REVIEW AND META-ANALYSIS
Srivatsa Surya Vasudevan, MD, MS; Amir Kaskas, MD; Michael Yim, MD; LSU Health Shreveport

 

(P272) ENDONASAL ENDOSCOPIC MULTILAYER REPAIR STARTING WITH UNDERLAY BONY GRAFT AS A LONG-TERM SUCCESSFUL MANAGEMENT OF CSF RHINORRHEA
Mohamed Elkahwagi, MD; Mansoura university Egypt

 

(P273) A CASE SERIES OF 6 PEDIATRIC PATIENTS WITH LATERAL SKULL BASE ENCEPHALOCELE REPAIRS INCLUDING STERNOCLEIDOMASTOID FLAP AS AN OPTION
Neal Jackson, MD; John Cadigan, BS; Tulane University School of Medicine

 

(P274) PREVALENCE OF PNEUMOCEPHALUS IN PATIENTS WITH IDIOPATHIC CEREBROSPINAL FLUID RHINORRHEA WHO UTILIZE CONTINUOUS POSITIVE AIRWAY PRESSURE FOR OBSTRUCTIVE SLEEP APNEA
Viraj N Shah, MD¹; Sofia E Olsson, BS²; Matthew Ryan, MD¹; Bradley Marple, MD¹; Sei Y Chung, MD¹; ¹University of Texas Southwestern; ²TCU Burnett school of medicine

 

(P275) DELAYED POSTOPERATIVE CEREBROSPINAL FLUID RHINORRHEA IN PATIENTS ON BEVACIZUMAB
Somtochi Okafor, MD; Eseosa Odigie, MD; Anthony Ghanem, MD; Patrick Codd, MD; Ralph Abi Hachem, MD, MSc; David W Jang; Duke University Hospital

 

(P276) UPFRONT ANTEROLATERAL THIGH FREE FLAP RECONSTRUCTION AFTER POSTERIOR FOSSA SKULL BASE TUMOR RESECTION
Thomas Hamre¹; Tyler Lazaro, MD²; Benjamin Lovin, MD³; Alex Sweeney, MD⁴; Akash Patel, MD⁵; Andrew Huang, MD⁴; ¹Baylor College of Medicine; ²University of Washington; ³ENT, UVA Health; ⁴ENT, Baylor College of Medicine; ⁵Neurosurgery, Baylor College of Medicine

 

(P277) ENDONASAL RESECTION OF LARGE AND GIANT PEDIATRIC CRANIOPHARYNGIOMA: TREATMENT AND OUTCOMES IN PATIENTS WITH HI-FLOW CSF LEAKS.
Michael Brandel, MD, MAS¹; Danielle Levy²; Javan Nation¹; John Crawford³; Michael L Levy¹; Vijay Patel¹; ¹UCSD; ²USC; ³CHOC

 

(P278) CONSIDERATION OF DIFFERENT SELLAR RECONSTRUCTION TECHNIQUES BASED ON PRESENCE OF INTRAOPERATIVE CSF LEAK DURING ENDONASAL TRANSSPHENOIDAL SURGERY
Jensen Ang, BMedSci, MBChB, FRCSEd¹; Sophie Jia Qian Koh, MBBS¹; Kaijun Tay, MBBS, MMed, FAMS²; Jia Xu Lim, MBBS, FRCSEd¹; Ramez W Kirollos, MBChB, MD, FRCS, FEBNS¹; Beng Ti Christopher Ang, MBBS, FRCS, FAMS¹; Neville Wei Yang Teo, MBBS, MRCS, MMed²; ¹National Neuroscience Institute; ²Singapore General Hospital

 

(P279) EFFECTIVENESS OF SURGICAL VS. CONSERVATIVE MANAGEMENT IN TEMPORAL BONE FRACTURES WITH CSF LEAKS
Caroline Bonaventure, MD; Nina Gallo, MD; Ashley Kraft, MD; Rahul Mehta, MD, FRCS; LSU Health Science Center New Orlens

 

(P280) THE RECONSTRUCTION OF SKULL BASE - HEALING AND PITFALL AND PEARLS DURING RECONSTRUCTION OF SKULL BASE
Jan Hemza, MD, PhD, et, PhD, MPA; Faculty Hospital at saint Ann, Dpt. of Neurosurgery

 

(P281) INTRODUCTION OF A NOVEL TECHNIQUE FOR MUCOSAL SUTURING OF THE NASAL SEPTUM IN ENDOSCOPIC ENDONASAL SURGERY: A STEP-BY-STEP DESCRIPTION
Tancredo Alcantara; Jerold Justo, MD, MBA; Jonathan Chainey; Arianna Fava; Tingting Jiang; Thibault Passeri; Sebastien Froelich; Assistance Publique-Hôpitaux de Paris, Hôpital Lariboisière

 

(P282) TYPE OF ENDOSCOPIC DRILL SHAFT DOES NOT PREDICT NASOSEPTAL FLAP NECROSIS.
Zechariah G Franks, MD, MPH; Vladimir A Ljubimov, MD, MS; Jayakar Nayak, MD, PhD; Michael C Chang, MD; Peter H Hwang, MD; Juan Carlos Fernandez-Miranda, MD; Zara M Patel, MD; Stanford University

 

(P283) VARIOUS SELLAR RECONSTRUCTION TECHNIQUES IN CASES WITH GRADE 1 & 2 CSF LEAKAGE DURING ETSA.
Hyukjin Oh¹; Kyung Hwan Kim²; ¹Soonchunhyang University Cheonan Hospital, Korea; ²Chungnam National University Hospital, Korea

 

(P285) SUBTOTAL PETROSECTOMY AND EUSTACHIAN TUBE OBLITERATION FOR LIFE-THREATENING PNEUMOCEPHALUS AND CEREBROSPINAL FLUID LEAK
Hailey Mattheisen, MS; Abigail Peterson, BS; Nathan Zwagerman, MD; Michael Harris, MD; Stephanie Cheok, MD; Medical College of Wisconsin

 

(P286) PETROUS TEMPORAL BONE DEHISCENCES: OUR EXPERIENCE AND A CADAVERIC CASE ILLUSTRATION
Ludovica Pasquini, MD; Chandrima Biswas, MD; Joshua Vignolles-Joeng, BA; Robert Macialek, MD; Kyle Wu, MD; Oliver Adunka, MD; Daniel Prevedello, MD; The Ohio State University

 

(P287) TRANSFORMATION VERSUS ASCERTAINMENT BIAS OF A SUPRASELLAR LESION- A HISTOPATHOLOGIC CONUNDRUM: BRAF V600E POSITIVE PAPILLARY CRANIOPHARYNGIOMA VERSUS RATHKE'S CLEFT CYST WITH SQUAMOUS METAPLASIA
Hailey Mattheisen, MS; Samon Tavakoli, MD; E. Kelly S. Mrachek, MD; Stephanie Cheok, MD; Nathan Zwagerman, MD; Medical College of Wisconsin

 

(P288) SURGICAL STRATEGIES FOR ENDOSCOPIC ENDONASAL ACCESS TO THE RETROSELLAR REGION: EVALUATING THE TYPE OF PITUITARY TRANSPOSITION TECHNIQUE BASED ON DISEASE
Ludovica Pasquini, MD; Chandrima Biswas, MD; Guilherme Finger, MD; Matthieu Weber; Ricardo Carrau, MD; Daniel Prevedello, MD; The Ohio State University

 

(P291) ENHANCING TRACT PATENCY AND PREVENTING RECURRENCE IN RECURRENT RATHKE'S CLEFT CYSTS: A NOVEL SURGICAL APPROACH USING FREE MUCOSAL GRAFTS AND BIOABSORBABLE STEROID-ELUTING STENTS WITH LONG-TERM OUTCOMES
Jonathan Tangsrivimol, MD; Nader Delavari, MD; Michael Ye, MD; Ashutosh Kacher, MD; Theodore H Schwartz, MD; Weill Cornell Medicine

 

(P292) ANALYSIS OF RISK FACTORS FOR CEREBROSPINAL FLUID LEAKAGE IN ENDOSCOPIC ENDONASAL SURGERY FOR NEUROENDOCRINE PITUITARY TUMORS.
Andres Cervio, Neurosurgeon; Martin A Monsalve, MD; Mauro E Ruella, Neurosurgeon; Lucila Domecq, MD; Guido Caffaratti, Neurosurgeon; Fleni

 

(P293) INTRA-INFUNDIBULAR EPIDERMOID CYSTS - A RARE AND DISTINCT ENTITY
Chandrima Biswas, MD; Ludovica Pasquini, MD; Guilherme Mansur, MD; Moataz D Abouammo, MD; Mohammad Bilal Alsavaf, MD; Kyle C Wu, MD; Daniel M Prevedello, MD, MBA; Ricardo L Carrau, MD, MBA; The Ohio State University Wexner Medical Center

 

(P297) NAVIGATING THE CHALLENGE: ENDOSCOPIC ENDONASAL APPROACH TO INTRAVENTRICULAR CRANIOPHARYNGIOMA - A TECHNICAL NOTE ON OVERCOMING LIMITATIONS IN SELECTED CASES
Raywat Noiphithak, MD¹; Juan Carlos Yanez-Siller, MD, MPH²; ¹Department of Surgery, Division of Neurosurgery, Thammasat University; ²Department of Otolaryngology-Head and Neck Surgery, Division of Rhinology & Skull Base Surgery, Northwestern University

 

(P298) OUR EXPERIENCE OF THE EXPANDED ENDOSCOPIC ENDONASAL APPROACH TO SUPRASELLAR TUMOURS AND PATHOLOGY.
Paris Bruno, MD¹; Salma Mohammed, MD, FRCS¹; Mustafa Motiwala, MD²; Kumar A Abhinav, MD, FRCS³; Warren Bennett, MD, MBBS, MA (OXON), FRCS (ORL-HNS)¹; ¹Dept of ENT, University Hospitals Bristol and Weston NHS Foundation Trust; ²Dept of Neurosurgery, University of Tennessee Health Science Center; ³Dept of Neurosurgery, North Bristol NHS Trust

 

(P299) ECTOPIC PITUITARY NEURO-ENDOCRINE TUMORS: A CASE REPORT AND LITERATURE REVIEW
Muhammad Babar Khan; Jeremy Lewis; West Virginia University

 

(P300) MANAGEMENT OF LARGE AND COMPLEX SELLAR AND SUPRASELLAR PATHOLOGY - EXTENDED ENDONASAL APPROACHES
Mlamuli M Mkhaliphi, MD/MBBCH; Mohau Makaepea, MD/MBBCH; Lethuxolo Dhludhlu, MD/MBCHB; Rodrigue Mingambengele, MD/MBBS; Jean Bigirwanayo , MD/MBBS; Christos Profyris, MD, AProf; Helen Joseph Hospital/ Netcare Milpark Hospital

 

(P301) IATROGENIC OPTIC CHIASM COMPRESSION PRESENTING AS PITUITARY MASS RECURRENCE: FINDINGS DURING REVISION EXTENDED ENDONASAL APPROACH AFTER SURGERY AT OUTSIDE INSTITUTION
Diana Bigler, MD; Brooke Sligh; James K Byrd, MD; Medical College of Georgia

 

(P303) COMPARATIVE ANALYSIS OF ENDOSCOPIC ENDONASAL VERSUS OPEN TRANSCRANIAL MICROSURGERY FOR RESECTION OF CRANIOPHARYNGIOMAS: A SINGLE-INSTITUTION 20-YEAR EXPERIENCE
Justin Maldonado, MD; Youssef Zohdy, MD; Arman Jahangari, MD, PhD; Erion de Andrade Jr, MD; Biren Patel, MD; Edoardo Porto, MD; Juan Manuel Revuelta-Barbero, MD, PhD; Uday Thakar; Chris Kim; Peter Daring, MS; Leonardo Tariciotti, MD; Alejandra Rodas, MD; Gustavo Pradilla, MD; Tomas Garzon-Muvdi, MD, MSc; Emory University

 

(P304) LOCAL PAPAVERINE AS A NOVEL ADJUNCT FOR DELAYED VISION LOSS AFTER TUBERCULUM SELLAE MENINGIOMA RESECTION
Mélyssa Fortin, MD; Sylvie Nadeau, MD, FRCSC; Martin Côté, MD, FRCSC; Pierre-Olivier Champagne, MD, PhD, FRCSC; Laval University Medical Center

 

(P305) PERSISTENT CENTRAL HYPERCORTISOLEMIA FOLLOWING PITUITARY STALK TUMOR RESECTION: CASE LESSON
Patrick Toyota, MD; Kristen Marciniuk, MD, PhD; Devon Houdek, MD; Neil Arnstead, MD; Amit R Persad, MD; Luke Hnenny, MD; University of Saskatchewan

 

(P306) SUPRASELLAR HEMANGIOBLASTOMA DURING PREGNANCY: CASE REPORT
Patrick Toyota, MD¹; Michael McKenzie, MD²; Jason R Shewchuk, MD²; Ryojo Akagami, MD²; Peter Gooderham, MD²; Stephen Yip, MD, PhD²; Peter Schutz, MD, PhD²; ¹University of Saskatchewan; ²University of British Columbia

 

(P307) POST-OPERATIVE ENDOCRINOPATHY INCIDENCE FOLLOWING CRANIOPHARYNGIOMA RESECTION
Samuel R Shing, BS, BA¹; Claire M Christman, BS²; Rabiul Rafi, BS²; Shreya Mandloi, BS¹; David P Bray, MD, MS²; Peter A Benedict, MD¹; Mindy R Rabinowitz, MD¹; Elina A Toskala, MD, PhD, MBA¹; Marc R Rosen, MD¹; Christopher J Farrell, MD²; Gurston G Nyquist, MD¹; James J Evans, MD²; ¹Thomas Jefferson University Department of Otolaryngology - Head and Neck Surgery; ²Thomas Jefferson University Department of Neurological Surgery

 

(P308) ENDOSCOPIC ENDONASAL APPROACH IN PEDIATRIC OPTIC PATHWAY-HYPOTHALAMIC GLIOMA: CASE REPORT AND SYSTEMATIC REVIEW
Edgar G Ordonez-Rubiano, MD, PHDc¹; Nicolas Rincon-Arias, MD¹; Paula A Pulido, MD¹; Yamila M Zampini²; Nicolas Llanos-Orozco³; ¹Fundacion Universitaria de Ciencias de la Salud; ²Universidad De Buenos Aires; ³Universidad De Los Andes

 

(P309) DELAYED CSF LEAK WITH ENCEPHALOCELE AFTER RATHKE'S CLEFT CYST FENESTRATION
Zachary Christian, MD¹; Kevin L Li¹; Tran Locke¹; Meha Fox¹; William Yao²; Ali Jalali¹; Kathleen K Gallagher¹; ¹Baylor College of Medicine; ²University of Texas Houston

 

(P310) SINONASAL MALIGNANCIES WITH METASTASIS TO THE SUBGLOTTIS AND TRACHEA: A CASE SERIES
Zachary K Christian¹; Shirley Su²; ¹Baylor College of Medicine; ²MD Anderson

 

(P311) THE ROLE OF P16 EXPRESSION IN RESPONSE TO INDUCTION CHEMOTHERAPY IN SINONASAL MALIGNANCIES
Joseph Lee, MD; Mohammad Bilal Alsavaf; Matthew Marquardt; Eric Nisenbaum, MD; Ricardo Carrau, MD; Kyle VanKoevering, MD; The Ohio State University Department of Otolaryngology

 

(P313) RECURRENT CALCIFYING EPITHELIAL ODONTOGENIC TUMOR WITH MALIGNANT TRANSFORMATION, ORBITAL EXTENSION, AND PULMONARY METASTASIS: A RARE CASE REPORT AND LITERATURE REVIEW
Zachary A Wykoff, BS¹; Joseph Lee, MD²; Kyle VanKoevering, MD²; ¹The Ohio State University College of Medicine; ²The Ohio State University Wexner Medical Center

 

(P314) MODIFIED FRAILTY INDEX FOR RISK STRATIFICATION IN PATIENTS UNDERGOING SKULL BASE SURGERY FOR SINONASAL MALIGNANCY
Phiwinhlanhla Ndebele-Ngwenya¹; Kamdili Ogbutor¹; Samuel R Shing²; Srihari Daggumati, MD²; Pablo Llerena²; Mindy Rabinowitz, MD²; Marc Rosen, MD²; James J Evans, MD²; Gurston G Nyquist, MD²; ¹Howard University College Of Medicine; ²Thomas Jefferson University Department of Otolaryngology

 

(P315) RESPONSIVENESS OF GLOMANGIOPERICYTOMA TO INDUCTION CHEMOTHERAPY
Hannah Casteel, BA; Alexander Sokohl, MD; Peter Hunt, MD; Justin Morse, MD; Associates in ENT

 

(P316) TREATMENT MODALITIES AND OUTCOMES IN EARLY-STAGE OLFACTORY NEUROBLASTOMA: EXTENT OF RESECTION AND POSTOPERATIVE RADIOTHERAPY
Minju Kim, MD¹; Sung Woo Cho, MD, PhD²; Chae-Seo Rhee, MD, PhD²; Tae-Bin Won, MD, PhD³; ¹National Medical Center, Seoul, Korea; ²Seoul National University Bundang Hospital; ³Seoul National University Hospital, Seoul, Korea

 

(P317) HUMAN PAPILLOMAVIRUS IS NOT ASSOCIATED WITH OLFACTORY NEUROBLASTOMA DESPITE EXPRESSION OF P16: FINDINGS FROM A SINGLE-INSTITUTION STUDY
Gary Gallia; A. Karim Ahmed; Lydia J Bernhardt; Nyall R London, Jr; Masaru Ishii; Lisa M Rooper; Justin A Bishop; Johns Hopkins Hospital

 

(P318) RADIOTHERAPY-RELATED FRONTAL LOBE ENCEPHALOCELE FOLLOWING ANTERIOR CRANIAL FOSSA TUMOR RESECTION: A CASE STUDY
Mariana Agudelo-Arrieta; Nayeh Arana; Alfredo Herrera; Oscar Hernando Feo-Lee; Department of Neurosurgery, Hospital Universitario San Ignacio, Pontificia Universidad Javeriana

 

(P319) DELAY IN TREATMENT IS NOT ASSOCIATED WITH WORSE OUTCOMES IN SINONASAL SQUAMOUS CELL CARCINOMA
Alison Yu, MD¹; Isha Thapar, BS¹; Shravan Asthana, BS²; Maria Espinosa, MD¹; Jennifer Douglas, MD¹; Michael Kohanski, MD, PhD¹; James Palmer, MD¹; Nithin Adappa, MD¹; ¹University of Pennsylvania; ²Northwestern University

 

(P320) SINONASAL CANCER: A 7-YEAR EXPERIENCE AT A SINGLE INSTITUTION INCLUDING SURGICAL MANAGEMENT OF ADVANCED CANCER STAGES
Valentina Montanez-Azcarate, MD; Alexandra Scheiflinger, MD; Peter Nagy, MD; Scharukh Jalisi, MD, MBA, FACS; Beth Israel Deaconess Medical Center

 

(P321) INDUCTION AND ADJUVANT CHEMOTHERAPY SIDE EFFECTS IN NASOPHARYNGEAL CARCINOMA PATIENTS
Matthew D Marquardt¹; Mohammad Bilal Alsavaf, MD²; Moataz D Abouammo, MD²; Dukagjin Blakaj, MD³; Priyanka Bhateja, MD⁴; Ricardo L Carrau, MD, MBA²; Marcelo Bonomi, MD⁴; Kyle VanKoevering, MD²; ¹The Ohio State University College of Medicine; ²The Ohio State University Wexner Medical Center Department of Otolaryngology; ³The Ohio State University Wexner Medical Center Department of Radiation Oncology; ⁴The Ohio State University Wexner Medical Center Division of Medical Oncology

 

(P322) A COMPARISON OF SURGICAL OUTCOMES OF PATIENT-SPECIFIC 3D MAXILLA MODELS FOR INTRAOPERATIVE USE DURING MAXILLECTOMY
Matthew D Marquardt¹; Mohammed Bilal Alsavaf, MD²; Joseph Lee, MD²; Amanda Pancake²; Kyle VanKoevering, MD²; ¹The Ohio State University College of Medicine; ²The Ohio State University Wexner Medical Center Department of Otolaryngology-Head and Neck Surgery

 

(P323) RE-CLASSIFICATION OF HISTORIC CASES OF SINONASAL UNDIFFERENTIATED CARCINOMA USING CONTEMPORARY DIAGNOSTIC UNDERSTANDING - A 24-YEAR EXPERIENCE
Blake M Lindsay, BSci, Adv, Hons, I, MD¹; Peta-Lee Sacks, BMed, MD¹; Jamie Brown, MD²; Minh Anh Nguyen, MD³; Ruta Gupta, MBBS, MD, FRCPA³; Peter Earls, MBBSHons, DipRACOG, FRACGP, FRCPA, FIA²; Larry Kalish, MBBS, Hons, I, MS, MMed, Clin, Epi, FRACS¹; Richard Harvey, MD, PhD, FRACS¹; Raewyn Campbell, FRACS, BMedHons, BAppScPhysio, GradDipE¹; ¹Rhinology and Skull Base Research Group, St Vincent's Centre for Applied Medical Research; ²SydPath, St Vincent's Hospital; ³Royal Prince Alfred Hospital, Sydney

 

(P325) OUTCOMES OF CRANIOFACIAL RESECTION IN ELDERLY PATIENTS: A 12-YEAR REVIEW FROM TWO CENTRES
Deepika Gunda, Dr¹; Samuel Sharp, Dr²; Andrew Gogos, Dr²; Benjamin Dixon, AProf²; ¹Epworth Healthcare, Richmond; ²St Vincent's Health Melbourne

 

(P326) OUTCOMES OF SURGICAL RESECTION OF SINONASAL MALIGNANCY VARY BY AGE
Kamdili Ogbutor, BS¹; Phiwinhlanhla Ndebele-Ngwenya, BS¹; Samuel Shing, BS²; Srihari Daggumati, MD²; Pablo Llerena, BS²; James Evans, MD²; Mindy Rabinowitz, MD²; Marc Rosen, MD²; Gurston Nyquist, MD²; ¹Howard University College of Medicine; ²Thomas Jefferson University, Department of Otolaryngology

 

(P328) CASE REPORT: PAPILLARY TUMOR OF THE PINEAL REGION (PTRP)
Mateus N Reghin, Neurosurgeon¹; Heros M Almeida, Neurosurgeon²; Matheus F Lourenço, DDS³; ¹Instituto de Ciências Neurologicas, Beneficiencia Portuguesa, Servidor Publico; ²Instituto de Ciências Neurologicas, Beneficiencia Portuguesa; ³Ac Camargo Cancer Center

 

(P329) A REVIEW ON THE SURGICAL INDICATIONS FOR PETROSAL FISSURE SPLITTING
Vita Olson, BA; Maria José Pachón-Londoño, MD; Maged T Ghoche, MD; Estefana Bcharah; Charbel Moussalem, MD; Devi P Patra, MD; Bernard R Bendok, MD MSCI; Mayo Clinic

 

(P330) UNDERSTANDING SURGEON DECISION-MAKING BETWEEN ENDOSCOPIC ENDONASAL AND OPEN TRANSCRANIAL APPROACHES FOR CRANIOPHARYNGIOMA: A SYSTEMATIC REVIEW OF IMAGING AND TUMOR CHARACTERISTICS
Geena Jung; Joshua Cohen; David Oriko; Anne Lally; Emery Buckner-Wolfson; Margaret Keymakh; Hailey Reisert; Timothy Kim; Ryan Fatemi; Andres Pasuizaca; Seyed Ahmad Naseri Alavi; Genesis Liriano; Andrew Kobets; Albert Einstein College of Medicine/Montefiore Medical Center

 

(P332) SUBCRANIAL APPROACH: A SURGICAL ALTERNATIVE FOR THE RESECTION OF ANTERIOR SKULL BASE TUMORS
Douglas Pinheiro Cavalcanti, MD; Fernando Luiz Dias; Terence Pires de Farias; Luiza Seganfredo Mainardi; Marcos Decnop; Eduardo Calheiros de Moraes; Emilio A. Arteaga; Eduardo Triani Alvarez; Pedro Nunes Bernotavicius Araujo; Maria Cristina Traiano Beal; INCA

 

(P333) MINIMALLY INVASIVE COLLOID CYST RESECTION WITH EXPANDABLE TUBULAR RETRACTOR FOR SMALL VENTRICULAR SYSTEMS: MORPHOMETRIC ANALYSIS IN 4 CADAVERIC SPECIMENS
John Na, MS; Joel Kaye, MD; Abby Zack, BS; Norberto Andaluz, MD; Jonathan A Forbes, MD; Department of Neurosurgery, University of Cincinnati College of Medicine

 

(P337) HEADS-UP-DISPLAY (HUD) ACCURACY IN THE RETROSIGMOID NEUROSURGICAL APPROACH: A SINGLE CENTER EXPERIENCE
Rui Feng, MD, MSc; Ansley Unterberger, MD; Tirone Young; Emery Monnig; Holly Oemke; Christina Rossitto, MD; Leslie Schlachter; Joshua Bederson, MD; Icahn School of Medicine at Mount Sinai

 

(P338) THE ENDOSCOPIC SUBLABIAL ANTERIOR TRANSMAXILLARY APPROACH: MIDDLE MENINGEAL ARTERY AS A LANDMARK TO THE PARAPHARYNGEAL INTERNAL CAROTID ARTERY
Liang Xia^1,2; Jiabin Zhan^1,3,4; I-sorn Phoominaonin^1,4; Kyle Affolter¹; Maria Karampouga¹; Carl H Snyderman⁵; Eric W Wang⁵; Garret W Choby⁵; Georgios A Zenonos¹; Paul A Gardner¹; ¹Department of Neurological Surgery, University of Pittsburgh, School of Medicine, Pittsburgh, Pennsylvania, United States; ²Department of Neurosurgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, China; ³Department of Otorhinolaryngology Head and Neck Surgery, Hainan Affiliated Hospital of Hainan Medical University (Hainan General Hospital), Haikou, China; ⁴Faculty of Science and Health Technology, Navamindradhiraj University; ⁵Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States

 

(P339) TWO TRIANGLES AS LANDMARKS FOR THE UPPER PARAPHARYNGEAL INTERNAL CAROTID ARTERY: SURGICAL ANATOMY AND RELEVANCE FOR THE ENDOSCOPIC ANTERIOR TRANSMAXILLARY AND ENDONASAL APPROACHES TO THE INFRATEMPORAL FOSSA AND PARAPHARYNGEAL SPACE
Liang Xia^1,2; Jiabin Zhan^1,3; I-sorn Phoominaonin^1,4; Kyle Affolter¹; Maria Karampouga¹; Carl H Snyderman^3,4; Eric W Wang⁵; Garret W Choby^3,4; Georgios A Zenonos^3,4; Paul A Gardner¹; ¹Department of Neurological Surgery, University of Pittsburgh, School of Medicine, Pittsburgh, Pennsylvania, United States; ²Department of Neurosurgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China; ³Department of Otorhinolaryngology Head and Neck Surgery, Hainan Affiliated Hospital of Hainan Medical University (Hainan General Hospital), Haikou, China; ⁴Faculty of Science and Health Technology, Navamindradhiraj University, Bangkok, Thailand; ⁵Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States

 

(P340) USING AUTOMATED IMAGE PROCESSING FOR CLOT DETECTION DURING CEREBRAL ANGIOGRAPHY
Heather C Grimaudo, MD¹; Ayberk Acar, BS²; Dewei Hu, MS²; Rohan Chitale, MD³; Ipek Oguz, BS, MS, PhD⁴; ¹University of South Florida; ²Vanderbilt Institue for Surgery and Engineering; ³Vanderbilt University Medical Center; ⁴Vanderbilt University School of Engineering

 

(P343) DEEP LEARNING FOR AUTOMATIC SEGMENTATION OF PITUITARY ADENOMAS: A VIDEOMICS STUDY
Edoardo Agosti¹; Alberto Paderno²; Andrea Pagnoni¹; Vittorio Rampinelli¹; Pier Paolo Panciani¹; Alessandro Fiorindi¹; Cesare Piazza¹; Marco Maria Fontanella¹; ¹University of Brescia; ²Humanitas University of Rozzano

 

(P347) THE TRAGUS-FACIAL ANGLE: PROPOSITION OF A NEW METHOD TO ESTIMATE THE TRAJECTORY OF THE FRONTAL BRANCH OF THE FACIAL NERVE
Guilherme Gago, MD; Antonio Strangio, MD; Martin Côté, MD; Pierre-Olivier Champagne, MD, PhD; Université Laval

 

(P348) BEYOND TRADITIONAL BOUNDARIES: A SKULL BASE MORPHOMETRIC CADAVERIC STUDY OF THE NOVEL CONTRALATERAL NASOFRONTAL TREPHINATION APPROACH TO THE LATERAL RECESS OF THE SPHENOID SINUS
Guilherme Mansur, MD¹; Moataz D Abouammo, MD, MSc¹; Mohammad B Alsavaf, MD¹; Chandrima Biswas, MD¹; Rodrigo Gehrke, MD¹; Claudio Callejas, MD¹; Maithrea S Narayanan, MBBS, MMED²; Guilherme Finger, MD, MSc¹; Kyle Wu, MD¹; Kathleen Kelly, MD¹; Ricardo L Carrau, MD¹; Daniel M Prevedello, MD¹; ¹The Ohio State University; ²Hospital Kuala Lumpur

 

(P349) ENDOSCOPIC APPROACH TO TUMORS OF THE PETROUS APEX, 10 YEARS OF EXPERIENCE
Ignacio Cifuentes, MD¹; Fernanda De Amesti, MD¹; Francisco Ringler²; Katherine Walker²; Homero Sariego²; Matías Gómez, MD²; ¹Universidad de Chile; ²Instituto de Neurocirugía Dr. Asenjo

 

(P350) PREDICTION OF CONSISTENCY IN PITUITARY NEUROENDOCRINE TUMORS (PITNET) USING MRI-BASED RADIOMICS AND MACHINE LEARNING: A SYSTEMATIC REVIEW AND META-ANALYSIS
Maria I Ocampo-Navia, MD; Mariana Agudelo-Arrieta, MD; Wilfran Perez-Mendez, MS; Alex Taub-Krivoy, MD; Nayeh Arana-Isaac, MS; Oscar H Feo-Lee, MD; Pontificia Universidad Javeriana

 

(P351) UNVEILING HIDDEN POTENTIAL: USING COST-EFFECTIVE VINTAGE OPERATIVE MICROSCOPES FOR ADVANCED MICROSURGERY PRACTICE IN LMICS
Abdullah Keles, MD¹; Yannick C Kessely, MD²; Oluwole O Oyeleye, MD³; Alpha B Bah, MD⁴; Huseyin E Ak, MD¹; Mustafa K Baskaya, MD¹; ¹Department of Neurological Surgery, University of Wisconsin School of Medicine and Public Health; ²Department of Surgery, Hopital de la Renaissance, N'Djamena, Chad; ³Federal Teaching Hospital, Ido Ekiti, Ekiti, Nigeria; ⁴Department of Neurological Surgery Donka Hospital, Conakry, Guinea

 

(P355) "FROM ABOVE AND BELOW": THE SURGICAL ANATOMY OF INTERHEMISPHERIC TRANSTENTORIAL AND SUPRACEREBELLAR INFRATENTORIAL APPROACHES TO ACCESS THE PINEAL REGION - A CADAVERIC DISSECTION
Bianca Wanderley, MD; Maria Guevara, MD; Dan Oberman, MD; Joao Paulo Almeida, PhD; Mayo Clinic

 

(P356) INDICATIONS AND OUTCOMES OF ENDOSCOPIC ENDONASAL APPROACHES FOR TRIGEMINAL SCHWANNOMA BASED ON TUMOR CHARACTERISTICS: A MULTICENTER CASE SERIES STUDY OF 20 CASES
Abdulaziz Almusa¹; Won jae Lee²; Ho Jun Seol²; Yong Hwy Kim³; Young Hoon Kim⁴; Doo-sik Kong²; ¹Prince Sultan Medical Military City, Samsung Medical Center; ²Samsung Medical Center, Sungkyunkwan University; ³Seoul National University College of Medicine; ⁴Asan Medical Center

 

(P358) AUTOMATIC STANDBY TECHNOLOGY CAN SIGNIFICANTLY REDUCE RISK OF PATIENT INJURY AND SURGICAL DRAPE BURNS FROM NASAL ENDOSCOPES
Tyler Merrill, MD¹; Matthew J Kabalan, MD²; Raj Sindwani, MD²; ¹University of Arkansas; ²Cleveland Clinic Foundation

 

(P359) AUGMENTED REALITY IN SKULL BASE ONCOLOGY: A PILOT STUDY FOCUSED ON TUMOR RESECTION AND SKULL BASE RECONSTRUCTION
Paolo Palmisciano; Brandon Strong; Edward Strong; Kiarash Shahlaie; University of California, Davis

 

(P360) IMPLEMENTING AUGMENTING REALITY IN CRANIOMAXILLOFACIAL RECONSTRUCTIVE SURGERY: AN EARLY INSTITUTIONAL SERIES IN A TRAUMA I CENTER
Paolo Palmisciano; Brandon B Strong; Anuj Patel; Kiarash Shahlaie; Edward Strong; University of California, Davis

 

(P362) ANATOMICAL STEP-BY-STEP DISSECTION OF COMPLEX SKULL BASE APPROACHES FOR TRAINEES: SURGICAL ANATOMY OF THE TRANSMASTOID HIGH CERVICAL APPROACH TO THE JUGULAR FORAMEN AND C1-C2 JUNCTION
Amedeo Piazza, MD, PhDs; Yohan A Alexander, BA; Fabio Torregrossa, MD; Luciano L Leonel, PhD; Michael Link, MD; Maria Peris Celda; Mayo Clinic

 

(P363) UNILATERAL MEDIAL TRANS-PALPEBRAL TRANSFRONTAL INTERHEMISPHERIC APPROACH TO THE FRONTAL POLE AND THE ANTERIOR SKULL BASE.
Amedeo Piazza, MD, PhDs; Yohan A Alexander, BA; Fabio Torregrossa, MD; Luciano Leonel, PhD; Carlos D Pinheiro Neto, MD, PhD; Maria Peris Celda, MD, PhD; Mayo Clinic

 

(P364) ANALYSIS OF MANEUVERABILITY AT THE PETROCLIVAL REGION: A CADAVERIC ANATOMICAL STUDY OF THE TRANSCOCHLEAR AND ENDOSCOPIC ENDONASAL TRANSCLIVAL APPROACH
Alejandra Rodas, MD; Leonardo Tariciotti, MD; Youssef M Zohdy, MD; Roberto M Soriano, MD; Edoardo Porto, MD; Jackson R Vuncannon, MD; Juan M Revuelta-Barbero, MD, PhD; Biren K Patel, MD; Emily Barrow, MD; Tomas Garzon-Muvdi, MD; Gustavo Pradilla, MD; C. Arturo Solares, MD; Emory University

 

(P365) THE TRANS-ZYGOMATIC TRANS-MANDIBULAR APPROACH: A STEP-BY-STEP CADAVERIC STUDY AND REVIEW OF THE LITERATURE
Alejandra Rodas, MD; Leonardo Tariciotti, MD; Juan M Revuelta-Barbero, MD, PhD; Youssef M Zohdy, MD; Edoardo Porto, MD; Roberto M Soriano, MD; Biren K Patel, MD; Jackson R Vuncannon, MD; Emily Barrow, MD; Tomas Garzon-Muvdi, MD; Gustavo Pradilla, MD; C. Arturo Solares, MD; Emory University

 

(P366) ADVANTAGES OF EXOSCOPE FOR SKULL BASE SURGERY
Kyoichi Tomoto, MD¹; Kentaro Watanabe, MD²; Nobuyuki Watanabe, MD¹; Michihiro Tanaka, MD¹; Yuichi Murayama, MD²; ¹Kameda Medical Center, Chiba, Japan; ²Jikei University School of Medicine, Tokyo, Japan

 

(P368) INDOCYANINE GREEN (ICG) USE FOR OPHTHALMIC ARTERY IDENTIFICATION AND SAFE OPTIC CANAL OPENING DURING EXPANDED ENDOSCOPIC ENDONASAL APPROACHES
Hussain Shallwani, MBBS¹; Muhammad Waqas, MD¹; Jason M Davies, MD, PhD¹; Ryan McSpadden, MD²; Ayham Al-Afif, MD²; Hanna N Algattas, MD¹; ¹University at Buffalo - Neurosurgery; ²Roswell Park Comprehensive Cancer Center

 

(P370) COMBINED DIRECT TUMORAL PUNCTURE EMBOLIZATION WITH ONYX AND TRANSARTERIAL EMBOLIZATION FOR SINONASAL AND SKULL BASE TUMORS
K Al-Mulki¹; M Chaskes²; C Tong²; D Golub²; E Dowlati²; A Dehdashti²; A Patsalides²; J Fastenberg²; ¹Montefiore / Einstein; ²Northwell

 

(P371) DELAYED SEVERE DIZZINESS DUE TO ELECTRODE PADDLE MIGRATION AFTER AUDITORY BRAINSTEM IMPLANTATION: A CASE REPORT
Michael Bartellas; Justin Cottrell; Sean McMenomey; John Golfinos; J. Thomas Roland Jr.; NYU Langone

 

(P372) ENDOSCOPIC ENDONASAL TRANSPTERYGOID APPROACH FOR VASCULAR DECOMPRESSION OF V3 WITH SIGNIFICANT RELIEF OF FACIAL PAIN
Syed M Adil, MD; Jihad Abdelgadir, MD; Jordan K Hatfield, MD; Tanner J Zachem, BSE; Philip Chapman, MD; Ralph Abi Hachem, MD; Ali Zomorodi, MD; Duke University Medical Center

 

(P373) ENDOSCOPIC ENDONASAL TRANSCAVERNOUS SURGERY FOR PITUITARY ADENOMA RESECTION: ARTIFICIAL INTELLIGENCE ANALYSIS OF SURGICAL TECHNIQUE
Jonathan B Lamano, MD, PhD; Ana Sofia Alvarez, MD; Dhiraj J Pangal, MD; Michael T Chang, MD; Juan Carlos Fernandez-Miranda; Stanford University

 

(P374) CLINICAL EVALUATION OF SLAM-BASED TRACKERLESS SURGICAL NAVIGATION IN THE LATERAL SKULL BASE
Ryan A Bartholomew, MD¹; Haoyin Zhou, PhD²; Jakob Gerstl, MBBS²; Maud Boreel, MD²; Timothy R Smith, MD, PhD, MPH²; Jeffrey P Guenette, MD²; Jayender Jagadeesan, PhD²; C. Eduardo Corrales, MD²; ¹Mass Eye and Ear; ²Brigham and Women's Hospital

 

(P375) TROUSERS-SHAPED TEFLON FIBERS IN MICROVASCULAR DECOMPRESSION: TECHNICAL INSIGHTS
Mohammadmahdi Sabahi, MD, MPH¹; Mohammad Samadian, MD²; Najma Ahmed³; Brandon Kaye⁴; Badih Adada, MD¹; Hamid Borghei-Razavi, MD¹; ¹Department of Neurological Surgery, Pauline Braathen Neurological Center, Cleveland Clinic Florida; ²Department of Neurosurgery, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran; ³GKT School of Medical Education, Faculty of Life Sciences and Medicine, King's College London, UK.; ⁴Dr. Kiran C. Patel College of Allopathic Medicine, Nova Southeastern University, Davie, FL, USA

 

(P376) APPLICABILITY OF A DEXTERITY-ENHANCING HANDHELD ROBOT FOR 360° ENDOSCOPIC SKULL BASE APPROACHES: AN EXPLORATORY CADAVER STUDY
Joachim Starup-Hansen, BMBS¹; Dan Zimelewicz Oberman, MD, MSc²; John G Hanrahan, MBBS, BSc¹; Emmanouil Dimitrakakis, PhD³; Hani J Marcus, PhD, FRCS¹; Joao Paulo Almeida, MD, PhD²; ¹The National Hospital for Neurology and Neurosurgery, London, UK.; ²Department of Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA.; ³Panda Surgical Limited

 

(P378) BONE CEMENT VS BONE FLAP REPLACEMENT: A COMPARATIVE META-ANALYSIS OF POSTERIOR FOSSA CRANIOTOMY COMPLICATIONS
Ryan Neill, MS¹; Peter Harris, MD²; Lekhaj Daggubati, MD²; ¹The George Washington University School of Medicine and Health Sciences; ²The George Washington University Hospital Department of Neurosurgery

 

(P379) INCIDENCE OF DOMINANT OCCIPITAL SINUS VARIANTS AND ITS IMPLICATIONS DURING THE MICROSURGICAL MANAGEMENT OF POSTERIOR FOSSA SKULL BASE LESIONS: CASE ILLUSTRATIONS AND RESULTS FROM THE ANALYSIS OF 430 CEREBRAL ANGIOGRAMS AND MAGNETIC RESONANCE VENOGRAMS.
Varadaraya S. Shenoy, MD¹; Craig Heflick, MS²; Satyanarayana Shenoy, MD³; Basavaraj Ghodke, MD¹; Laligam N. Sekhar, MD¹; ¹Harborview Medical Center, University of Washington, Seattle; ²WSU Elson S. Floyd College of Medicine; ³Tarun Neuro Clinic, Thane - 400604

 

(P380) ENDOSCOPIC VENTRICULOCYSTOCISTERNOSTOMY WITH WALL RESECTION FOR RECURRENT SUPRASELLAR ARACHNOID CYST
Ryan Neill, MS¹; Myra Zaheer, BA¹; Peter Harris, MD²; Daniel Donoho, MD³; ¹The George Washington University School of Medicine and Health Sciences; ²The George Washington University Hospital Department of Neurosurgery; ³Children's National Hospital

 

(P381) MICROSURGICAL RESECTION OF A GIANT RHABDOID MENINGIOMA ENCASING THE CAVERNOUS CAROTID ARTERY COMPLICATED BY POSTOPERATIVE VASOSPASM
Varadaraya S. Shenoy, MD; Kate T Carroll, MD; Laligam N Sekhar, MD; Univ. of Washington, Seattle

 

(P382) MICROSURGICAL GROSS TOTAL RESECTION OF A COMPLEX CLINOIDAL AND OPTIC CANAL MENINGIOMA
Varadaraya S. Shenoy, MD; Zachary Abecassis, MD; Emma Celano, MD; Laligam N Sekhar, MD; University of Washington

 

(P383) CHIARI MALFORMATION: MINIMALLY INVASIVE DECOMPRESSION WITH DUROPLASTY
Preston D'Souza, MD; Matias L Costa, MD; Patrick J Karas, MD; The University of Texas Medical Branch

 

(P384) PETROUS TENTORIAL ARTERIOVENOUS MALFORMATION RESECTED VIA EXPANDED RETROSIGMOID APPROACH
Jeffrey M Breton, MD¹; Ehsan P Dowlati, MD²; Samir Sur, MD¹; ¹MedStar Georgetown University Hospital; ²Northwell Health Neurosurgery

 

(P386) SINGLE-STAGE DUAL CRANIOTOMY TO CLIP SEVEN ANEURYSMS
Matias L Costa; Brian T Oliver, MD; Christopher Young, MD, PhD; Peter Kan; University of Texas Medical Branch

 

(P387) ENDOSCOPIC ENDONASAL VERSUS TRANSCRANIAL RESECTION OF TUBERCULUM SELLA MENINGIOMAS: AN APPROACH COMPARISON IN TWO PATIENTS
Wesley Shoap, MD¹; Maximiliano Nunez, MD²; Jose Gurrola, MD³; Ivan El-Sayed, MD³; Ezequiel Goldschmidt, MD, PhD⁴; ¹LSU New Orleans Department of Neurosurgery; ²Stanford University School of Medicine Department of Neurosurgery; ³University of California San Francisco School of Medicine Department of Otorhinolaryngology; ⁴University of California San Francisco School of Medicine Department of Neurosurgery

 

(P388) COMBINED TRANSCORTICAL ENDOSCOPIC AND OPEN APPROACH FOR RESECTION OF PEDIATRIC CRANIOPHARYNGIOMA
Casey A Jarvis, MD; Lissa C Baird, MD; Boston Children's Hospital

 

(P390) A TALE OF TWO ETIOLOGIES: UNI-NARIAL, ENDONASAL TRANSFRONTAL APPROACH FOR EVACUATION OF FRONTAL SINUS MUCOCELE
Muhammad Waqas, MD¹; Hussain Shallwani, MD¹; Jaims Lim, MD¹; Jason M Davies, MD, PhD¹; Ryan McSpadden, MD²; Ayham Al Afif, MD, MSc²; Hanna N Algattas, MD¹; ¹University at Buffalo Jacobs School of Medicine; ²Roswell Park Cancer Institute

 

(P391) ENDOSCOPIC ENDONASAL INTRADURAL PITUITARY HEMITRANSPOSITION IN PEDIATRIC RETROINFUNDIBULAR CRANIOPHARYNGIOMA: TECHNICAL NUANCES
Mehdi Khaleghi, MD¹; Monirah Albathi, MD, MPH²; Patrick Walz, MD, FAAP²; Daniel M Prevedello, MD¹; ¹Ohio State University, Wexner Medical Center; ²Ohio State University, Nationwide Children Hospital

 

(P392) TRANSCILLIARY LATERAL MICRO-ORBITOTOMY FOR AN ORBITAL APEX HEMANGIOMA: TECHNICAL STEPS
Mehdi Khaleghi, MD; Lucas P Carlstrom, MD, PhD; Amanda Zakeri, MD; Raymond Chu, MD; Daniel M Prevedello, MD; Ohio State University, Wexner Medical Center

 

(P393) ENDOSCOPIC RESECTION OF A PINEAL SARCOMA
Nataniel J Mandelberg, MD, PhD¹; Ilona Carzola-Morales, BA²; Demetria Walker³; Donato Pacione, MD¹; ¹New York University Grossman School of Medicine Department of Neurosurgery; ²Hackensack Meridian School of Medicine; ³Morehouse School of Medicine

 

(P394) ENDOSCOPIC ENDONASAL TRANSCLIVAL TRANSPETROSAL APPROACH FOR REMOVAL OF SPHENOPETROCLIVAL CHONDROSARCOMA: TECHNICAL CONSIDERATIONS
Mehdi Khaleghi, MD; Adnan Hussain Shahid; Sudhir Suggala; Ursula Hummel; Danielle Chason; Jai Deep Thakur; University of South Alabama

 

(P395) SUPERIOR EYELID INCISION TRANSORBITAL APPROACH (SETOA) RESECTION OF A RECURRENT SPHENO-ORBITO INFRATEMPORAL MENINGIOMA - "INSIDE-OUT COZ"
Milan Samarage, MD; Gregory Lekovic; Timothy Florence; UCLA

 

(P396) DRAF TYPE III REVISION USING FLAPS AND STEROID-ELUTING STENT
Gloria Schiavo; Mario Turri-Zanoni; Marco Valentini; Sara Gotti; Paolo Battaglia; UNINSUBRIA

 

(P397) CASE OF A MASSIVE JUVENILE NASOPHARYNGEAL ANGIOFIBROMA INVOLVING THE CAVERNOUS SINUS AND MIDDLE CRANIAL FOSSA
Jessa Miller, MD; Jakob Fischer, MD; Won Kim, MD; Jivianne Lee, MD; University of California, Los Angeles

 

(P398) ENDOSCOPIC ASSISTED SUPRAORBITAL MINI ORBITOZYGOMATIC CRANIOTOMY FOR THE ANTERIOR FOSSA
Katherine W Zerebiec, MD; Luke A Silveira, MD; Brandon Liebelt; University of Vermont Medical Center

 

(P400) VESTIBULAR SCHWANNOMA - SURGICAL TECHNIQUE
Carolina Junger, MD; Eduardo Vellutini, PhD; Vinicius Trindade, MD; Marcelo Prudente, PhD; USP

 

(P401) TRANSNASAL TRANSCLIVAL APPROACH FOR RESECTION OF CLIVAL CHORDOMA
Abdullah Alobaid; Razan Almufarriji; King Fahad Medical City

 

(P402) NAVIGATING CHALLENGES IN SKULL BASE CHONDROSARCOMAS
Shivakumar Thiagarajan, Prof; Aliasgar Moyadi, Prof; Linu Thomas; Tata Memorial Centre

 

(P404) SURGICAL TREATMENT OF SUPRASELLAR DERMOID CYST VIA ENDOSCOPIC ENDONASAL APPROACH
Anna McCracken, BHSc¹; Rebecca Yakubov, BHSc, MSc¹; Jonathan Chainey, MD, MSc²; Gelareh Zadeh, MD, PhD¹; ¹MacFeeters Hamilton Neuro-Oncology Program, Princess Margaret Cancer Centre, University Health Network and University of Toronto, ON, Canada.; ²Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, ON, Canada.

 

(P405) COMBINED TRANSCRANIAL, ENDONASAL, ENDORBITAL CRANIOFACIAL RESECTION OF INVASIVE SINONASAL UNDIFFERENTIATED CARCINOMA
Abhiram Cherukupalli, MD, MHSc, MSE; Anas Gomati, MB, BCh, FRCSEd; Jeremy Kam, MBBS, FRACS; Vivian Yin, MD, FRCSC; Serge Makarenko, MD, FRCSC; Arif Janjua, MD, FRCSC; University of British Columbia

 

(P407) INTERNAL CAROTID ARTERY INJURY IN TRANSSPHENOIDAL SURGERY-HOW TO AVOID AND COPE WITH SERIOUS COMPLICATION, JAPANESE SINGLE-CENTER EXPERIENCE AND EXPERTS' OPINION
Masahiro Hirayama, MD¹; Hideki Shiramizu²; Shozo Yamada²; Seigo Matsuo²; Takashi Moriyama²; Juan carlos F Miranda¹; ¹Stanford Medicine, Department of Neurosurgery; ²Moriyama Memorial Hospital

 

(P408) MIDDLE CRANIAL FOSSA DEFECT INTO THE MAXILLARY SINUS: RECONSTRUCTION WITH A NASOSEPTAL FLAP
Christopher Jabbour, MD; Carlos Pinheiro-Neto, MD, PhD; Mayo Clinic

 

(P410) TRANSORBITAL APPROACH FOR RESECTION OF MEDIAL TEMPORAL GBM
Panayiotis E Pelargos, MD, MD; Alexander T Yahanda, MS; Chrisine Ryu, MD; Robi N Maamari, MD; Dimitrios Mathios, MD; Washington University in St. Louis

 

(P411) TRANSORBITAL APPROACH FOR RESECTION OF SPHENOID WING MENINGIOMA
Panayiotis E Pelargos, MD, MD; Christine Ryu, MD; Steven Couch, MD; Dimitrios Mathios, MD; Washington University in St. Louis

 

(P412) ENDOSCOPIC ENDONASAL SKULL BASE SURGERY USING THE STEERABLE INSTRUMENTS
Masaaki Taniguchi, MD, PhD; Osaka Neurological Institute

 

(P413) RESCUE M2-A2 BYPASS FOR A LARGE COMPLEX RECURRENT ANTERIOR COMMUNICATING ARTERY ANEURYSM
Sean Himel, MD; Jahangir Sajjad, MBBS, PhD; Cristina Cernei, MBBCh; Richard Edwards, MD; Richard Nelson; Mario Teo, MBChB, PhD; Southmead Hospital North Bristol Trust

 

(P414) MICROSURGICAL RESECTION OF BRAIN STEM GLIOMA: 2-DIMENSIONAL OPERATIVE VIDEO
Christina La Gamma, MD¹; Philip B Ostrov, MD²; Raja Jani, DO²; Brian J Williams, MD²; ¹Penn State College of Medicine; ²University of Louisville Department of Neurosurgery

 

(P415) FAR LATERAL APPROACH WITH C-SHAPED INCISION TO RESECT A C2 SCHWANNOMA
Bryan A Clampitt, BS¹; Jacob Parker, BS¹; Maryam Kazelka, BS¹; Davide Croci, MD²; ¹USF Health Morsani College of Medicine, Tampa, Florida, USA; ²Department of Neurosurgery and Brain Repair, University of South Florida, Morsani College of Medicine, Tampa, Florida, USA

 

(P416) SUBOCCIPITAL CRANIECTOMY AND C1-C2 LAMINECTOMIES FOR RESECTION OF DENSELY CALCIFIED INTRADURAL-EXTRAMEDULLARY MENINGIOMA WITH ARTERIAL ENCASEMENT OF PICA
Kara A Parikh, MD; Emal Lesha; Alexandra H Kramer; Nickalus R Khan, MD; University of Tennessee/Semmes Murphey

 

(P417) THE EFFECT OF THE NEUROSURGERY RESEARCH AND EDUCATION FOUNDATION (NREF) ON SKULL BASE NEUROSURGERY CAREERS
Kara A Parikh, MD; Mustafa Motiwala, MD; Sean Himel, MD; John Dugan, BA; L. Madison Michael 2nd, MD; Nickalus R Khan, MD; University of Tennessee/Semmes Murphey

 

(P419) ICA INJURY IN ENDOSCOPIC ENDONASAL SURGERY: AN INTERPROFESSIONAL TEAM SIMULATION MODEL
Akshaya Raman, BA¹; Benita Valappil, MPH²; Carl H Snyderman, MD, MBA²; ¹University of Pittsburgh School of Medicine; ²Department of Otolaryngology, Eye & Ear Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA

 

(P421) CEREBRAL ANEURYSM SURGICAL TRAINING IN THE NEUROENDOVASCULAR ERA AND ITS IMPACT ON THE PRODUCTION OF COMFORTABLE ANEURYSM SURGEONS
Michael Ortiz¹; Kaushik Ravipati, MD²; Jakov Tiefenbach³; Hunter Brooks²; Bharat Guthikonda¹; Farhan Siddiq²; ¹LSU Health Shreveport; ²University of Missouri Columbia; ³University of Illinois Chicago

 

(P423) PERSPECTIVE AS A NEW SKULL BASE FACULTY - COMPLEX CASES, APPROACHES, AND COMPLICATION MANAGEMENT
M. Salman Ali, MD¹; Paul Gardner, MD²; Nick Thomas, MBBS³; Matthew Howard, MD⁴; Fernando Vale, MD¹; ¹Medical College of Georgia at Augusta University; ²University of Pittsburgh Medical Center; ³King's College Hospital, London, England; ⁴University of Iowa Hospitals and Clinics

 

(P424) ANTEROLATERAL SKULL BASE SURGERY; PERSONAL PERSPECTIVE AFTER FELLOWSHIP TRAINING
Bahaeddin A Muhsen, MBBS, MRCSI, FEBNS; Dr. Sulaiman Al Habib Hospital

 

(P425) LEVERAGING MACHINE LEARNING FOR INTUITIVE 3D VISUALIZATION IN SKULLBASE NEUROSURGERY TRAINING
Kiefer J Forseth, MD, PhD¹; Michael G Brandel, MD¹; Plonsker H Jillian, MD²; Jeffrey A Steinberg, MD¹; Michael Levy¹; Alexander A Khalessi, MD, MBA¹; ¹University of California San Diego; ²Lurie Children's Hospital of Chicago

 

(P426) THE ROLE OF SIMULATION IN ENDOSCOPIC TRANSSPHENOIDAL SURGICAL TRAINING
Cesare Zoia¹; Luca Perna²; Pier Paolo Mattogno³; Fabio Pagella⁴; Giannantonio Spena⁵; Federico Nicolosi⁶; Mario Rigante³; Francesco Doglietto³; ¹Ospedale Moriggia Pelascini; ²Ospedale San Leonardo, Castellammare di Stabia, Italy; ³Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; ⁴Università di Pavia, Pavia, Italy; ⁵IRCCS Fondazione Policlinico San Matteo, Pavia, Italy; ⁶Università di Milano-Bicocca, Milan, Italy

 

(P427) WHAT DOES IT TAKE TO BE A NASBS PRESIDENT: A CROSS SECTIONAL STUDY OF ATTRIBUTES AND ACADEMIC HISTORY OF PRESIDENTS OF THE NORTH AMERICAN SKULL BASE SOCIETY
Danner W Butler; Mehdi Khaleghi; Adnan Shahid; Garrett Dyess; John Citrin; Maxon Bassett; Jai D Thakur; University of South Alabama

 

(P428) UNDERSTANDING SKULL BASE SYMPTOM BURDEN FROM THE PATIENT'S PERSPECTIVE - DEVELOPING A SYMPTOM BURDEN MEASUREMENT FOR PATIENTS WITH COMPLEX MALIGNANT AND BENIGN SKULL BASE TUMORS
Shirley Y. Su; Matheus Sewastjanow-Silva, MD; Loretta A Williams; The University of Texas MD Anderson Cancer Center

 

(P429) PATIENT-REPORTED SYMPTOMS: A CRUCIAL ASPECT OF SKULL BASE OSTEORADIONECROSIS ASSESSMENT AND MONITORING
Lirit Levi¹; Amir Levi, PhD²; Michael T Chang, MD¹; Jayakar Nayak, MD, PhD¹; Zara M Patel, MD¹; Quynh-Thu Le, MD³; Juan C Fernandez-Miranda, MD⁴; Peter H Hwang, MD¹; ¹Department of Otolaryngology - Head & Neck Surgery, Stanford University; ²Department of Physiology, University of California, San Francisco; ³Department of Radiation Oncology, Stanford University; ⁴Department of Neurosurgery, Stanford University

 

(P431) AN ENHANCED RECOVERY AFTER SURGERY PATHWAY FOR PITUITARY SURGERY: PILOT ASSESSMENT
Saksham Gupta; Neel Mehta; Matt O'Connor; Jordan Muse; Rachel O'Connor; Carleton Corrales; Chris Hong; Timothy R Smith; Omar Arnaout; Brigham and Women's Hospital

 

(P432) SHORT- AND LONG-TERM QUALITY OF LIFE AND NEUROLOGIC OUTCOMES AFTER AN ENDOSCOPIC ENDONASAL TRANSPTERYGOID APPROACH
Sophie Peeters, MD; Rita Snyder; Franco DeMonte; Ehab Hanna; Shirley Su; Shaan Raza; MD Anderson

 

(P434) DURAL-BASED POSTERIOR FOSSA CAVERNOUS MALFORMATION: A CASE REPORT
Sonia Ajmera, MD¹; Antonio Corral Tarbay, BS²; Rachel Blue, MD¹; M Sean Grady, MD¹; ¹University of Pennsylvania Health System, Department of Neurosurgery; ²Perelman School of Medicine, University of Pennsylvania

 

(P435) MANAGEMENT OF CRANIOCERVICAL JUNCTION ARTERIOVENOUS FISTULA FED BY THE RADICULAR AND SPINAL ARTERIES DRAINING INTO A COMMON INTRADURAL VEIN: A CASE REPORT
Satoshi Matsuo¹; Kenta Hara¹; Akifumi Yokomizo¹; Noritaka Komune²; Osamu Akiyama³; Toru Hasegawa¹; Hidenori Yoshida¹; Kiyotaka Fujii¹; ¹Department of Neurosurgery, Fukuoka Tokushukai Hospital; ²Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan; ³Department of Neurosurgery, Juntendo University Faculty of Medicine, Tokyo, Japan

 

(P436) SUDDEN ONSET HEARING LOSS REVEALING A TERMINAL UNRUPTURED ANTERIOR INFERIOR CEREBELLAR ARTERY ANEURYSM IN THE INTERNAL AUDITORY CANAL.
Silvia M Vergara, MD¹; Jorge Cespedes, MD²; Fernando Ahumada, MD³; Jorge E Alvernia, MD⁴; Orlando Diaz⁵; ¹Tulane University; ²Universidad Autonoma de Centro America; ³Universidad del Norte; ⁴Brain and Spine Associates; ⁵Houston Methodist

 

(P437) 3D CTA RECONSTRUCTION OF THE MAXILLARY ARTERY IN THE PERCUTANEOUS APPROACH TO FORAMEN OVALE , AND THE ANATOMO- RADIOLOGIC CORRELATION USING THE INVERTED PYRAMID CONCEPT.
Jorge E Alvernia, MD¹; Silvia M Vergara, MD²; Marc Sindou, MD³; ¹Brain and Spine Associates; ²Tulane University; ³University of Lyon

 

(P438) MACROVASCULAR DECOMPRESSION OF CRANIAL NERVES 7 & 8 WITH PEXY OF THE LEFT VERTEBRAL ARTERY
Emma C Celano, MD¹; Varadaraya Shenoy, MD¹; Caroline Hadley, MD²; Laligam Sekhar, MD¹; ¹University of Washington; ²University of New Mexico

 

(P439) COMBINED MICROSURGICAL DECOMPRESSION FOR TRIGEMINAL NEURALGIA AND HEMIFACIAL SPASM - CASE PRESENTATION, SURGICAL APPROACH, OPERATIVE VIDEO AND OUTCOME
M. Salman Ali, MD; Fernando L Vale, MD; Medical College of Georgia at Augusta University

 

(P440) STENT ASSISTED STA-MCA BYPASS SUTURING TECHNIQUE- CASE REPORT
Freddie Rodriguez Beato, MD¹; Huy Duong, MD²; ¹University of California, Davis; ²Kaiser Permanente, Sacramento

 

(P441) SALVAGE VERTEBRAL ARTERIOTOMY FOR MICRO GUIDEWIRE RETRIEVAL IN A PATIENT WITH BASILAR ARTERY STENOSIS, A RARE CASE REPORT
Abilash Haridas, Dr¹; Sabareesh Natarajan, Dr²; Ankit Pansara, Dr³; Arman Sourani, Dr⁴; ¹Astra Neurosurgical Institute; ²Brain, Spine and Vascular Neuroscience Instituite; ³South Florida Baptist's Hospital; ⁴Neurosurgery department, Isfahan University of Medical Sciences

 

(P442) EXPLORING THE INFLUENCE OF DUAL REVASCULARIZATION TECHNIQUES ON PREOPERATIVE MIDDLE MENINGEAL ARTERY COLLATERAL NETWORKS IN MOYAMOYA ANGIOPATHY
Alexander F Kuffer, MD, DMD, PhD¹; Danielle Golub, MD¹; Eric T Quach²; Jeffrey M Katz, MD¹; Athos Patsalides, MD, MPH¹; Amir R Dehdashti, MD¹; ¹North Shore University Hospital; ²Temple Neurosurgery, Philadelphia

 

(P443) THE EXTENDED ENDOSCOPIC ENDONASAL APPROACH FOR THE TREATMENT OF INTRACRANIAL ANEURYSMS: INDICATIONS, TECHNICAL NUANCES, AND RESULTS GLEANED FROM TWO DECADES OF CLINICAL EXPERIENCE.
Maria Karampouga, MD¹; Garret W Choby, MD²; Eric Wang, MD²; Carl H Snyderman, MD, MBA²; Paul A Gardner, MD¹; Georgios A Zenonos, MD¹; ¹Department of Neurological Surgery, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA; ²Department of Otolaryngology, Center for Cranial Base Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA

 

(P444) THE SURGICAL OUTCOMES AND NUANCES OF THE TELOVELAR APPROACH FOR PONTINE AND MEDULLARY CAVERNOUS MALFORMATIONS: A MULTI-INSTITUTIONAL CASE SERIES
Kyung Hwan Kim, MD, PhD¹; Hyuk-Jin Oh, MD, PhD²; Sae Min Kwon, MD, PhD³; ¹Chungnam National University Hospital, Chungnam National University School of Medicine; ²Soonchunhyang University Cheonan Hospital; ³Dongsan Medical Center, Keimyung University Schoool of Medicine

 

(P445) EFFECTS OF SUPERFICIAL TEMPORAL ARTERY BRANCH MANAGEMENT ON CEREBRAL BYPASS BLOOD FLOW
Samuel Tenhoeve; Kyril Cole; Michael Bounajem; Karol Budohoski; Craig Kilburg; Ramesh Grandhi; William Couldwell; Robert C Rennert; University of Utah

 

(P446) SYSTEMATIC REVIEW WITH ILLUSTRATIVE CASE EXAMPLE OF SALVAGE OCCIPITAL ARTERY-MIDDLE CEREBRAL ARTERY BYPASS FOR MOYAMOYA DISEASE
David Cho, BS; Cory Greer, BS; Vincent Dieu, MS; Gerardo Duran, BS; Andrew M Bauer, MD; Christopher S Graffeo, MD, MS; University of Oklahoma College of Medicine

 

(P447) PITUITARY APOPLEXY RESULTING IN MASSIVE BILATERAL STROKES AND BRAIN DEATH
Hailey Mattheisen, MS; Abigail Peterson, BS; Stephanie Cheok, MD; Nathan Zwagerman, MD; Medical College of Wisconsin

 

(P448) BREAKING THE IMPENETRABLE FORTRESS: THE INFRATRIGEMINAL-SUPRAFLOCCULAR APPROACH TO PONTINE LESIONS
Alex Roman¹; Rudolfh Batista ARend, MS²; Bruno Peroni²; ¹INCC - Instituto de Neurocirurgia e Cirurgia de Coluna; ²UFFS - Universidade Federal Fronteira Sul

 

(P449) HYPERSPECTRAL IMAGING FACILITATES EARLY DETECTION OF INTRA-OPERATIVE ISCHAEMIA DURING NEUROVASCULAR SURGERY
Oscar J MacCormac¹; Conor C Horgan²; Zhonghao Wang¹; Matthew Elliot¹; Dale Waterhouse²; Sebastien Ourselin¹; Michael Ebner²; Christos Tolias³; Ahilan Kailaya-Vasan³; Tom Vercauteren¹; Jonathan Shapey¹; ¹King's College London; ²Hypervision Surgical Ltd.; ³King's College Hospitals NHS Foundation Trust

 

(P452) MASSIVE VESTIBULAR SCHWANNOMA REQUIRING SERIAL DEBULKINGS AND RADIOSURGERY
Douglas J Totten, MD, MBA; Hunter L Elms, MD; Evan C Cumpston; Charles W Yates, MD; Indiana University

 

(P453) MAPPING THE CLINICAL PATHWAY FOR PATIENTS UNDERGOING VESTIBULAR SCHWANNOMA RESECTION
Siddharth Sinha, MRCS; Simon C Williams, MRCS; John G Hanrahan, MRCS; William R Muirhead, MD, FRCS; James Booker, MRCS; Sherif Khalil, MD, FRCS, ORL; Neil Kitchen, FRCS, SN; Nicola Newall, MBBS; Rupert Obholzer, FRCS, ORLHNS; Shakeel R Saeed, MD, FRCS, ORL; Hani J Marcus, PhD, FRCS, SN; Patrick Grover, FRCS, SN; National Hospital Neurology and Neurosurgery

 

(P454) MANAGEMENT OF DURAL VENOUS SINUS THROMBOSIS FOLLOWING MICROSURGICAL RESECTION OF VESTIBULAR SCHWANNOMA
Evangeline Bambakidis, BS¹; Dana Defta, MD²; Sepideh Amin-Hanjani, MD²; Sarah Mowry, MD³; Nicholas Bambakidis, MD²; ¹Case Western Reserve University School of Medicine; ²University Hospitals Department of Neurosurgery; ³University Hospitals Department of Otolaryngology

 

(P455) COMPARATIVE ANALYSIS OF ADVERSE OUTCOMES IN VESTIBULAR SCHWANNOMA TREATMENT: STEREOTACTIC RADIOSURGERY VS. SURGERY
Praneet C Kaki¹; Hani Samarah, BS²; Julian Jackson²; Kalena Liu²; Jacob B Hunter, MD²; ¹Sidney Kimmel Medical College; ²Thomas Jefferson University Hospital Department of Otolaryngology

 

(P456) PREDICTING POST-OPERATIVE OUTCOMES OF VESTIBULAR SCHWANNOMA RESECTION UTILIZING THE RISK ANALYSIS INDEX: A PROPENSITY-MATCHED NATIONAL READMISSIONS DATABASE ANALYSIS
Anubhav Chandla; Mahlet Mekonnen, BS; Yelena Malkhasyan, BS; Gabrielle Hovis, BS; Isaac Yang, MD; UCLA

 

(P457) USE OF JUGULAR VENOUS PRESSURE TO OPTIMIZE OUTCOMES OF VESTIBULAR SCHWANNOMA RESECTION: A REVIEW OF THE LITERATURE AND PROOF OF CONCEPT
Benjamin Brakel, BHSc¹; Jessica Wang, MD²; Jeremy Kam, MBBS²; Henrik Huttunen, MD³; Bali Dhaliwal, MD³; Jon McEwen, MD³; Brian Westerberg, MD⁴; Serge Makarenko, MD²; Ryojo Akagami, MSc, MD²; ¹Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; ²Division of Neurosurgery, Department of Surgery, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada; ³Division of Neuroanesthesia, Department of Anesthesiology, Pharmacology & Therapeutics, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada; ⁴Division of Otolaryngology, Department of Surgery, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada

 

(P460) A COMPARATIVE STUDY OF FRAME-BASED VS MASK-BASED FIXATION FOR GAMMA KNIFE TREATMENT OF VESTIBULAR SCHWANNOMA
Ishav Shukla, BS; Jeffrey I Traylor, MD; Zabi Wardak, MD; Rance Fujiwara, MD; Walter Kutz, MD; Brandon Isaacson, MD; Ankur Patel, MD; Samuel Barnett, MD; University of Texas Southwestern Medical Center

 

(P461) VESTIBULAR SCHWANNOMA SURGERY. TREATMENT OF CEREBROSPINAL FLUID LEAK
Eduard Zverina, Prof, PhD; Dept. of ENT Head an Neck Surgery, Charles University

 

(P462) ASSESSING PATIENT OUTCOMES OF VESTIBULAR SCHWANNOMA PATIENTS FOLLOWING LINEAR ACCELERATOR STEREOTACTIC RADIOTHERAPY
Hariteja Ramapuram¹; Yifei Sun¹; Travis Atchley²; Erika Walsh³; John Fiveash⁴; Philip Schmalz²; Winfield Fischer²; Dagoberto Estevez-Ordonez²; ¹Heersink School of Medicine, University of Alabama, Birmingham; ²Department of Neurosurgery, University of Alabama at Birmingham, Alabama; ³Department of Otolaryngology, University of Alabama at Birmingham, Birmingham, Alabama; ⁴Department of Radiation Oncology, University of Alabama at Birmingham, Birmingham, Alabama

 

(P463) THE RELATIONSHIP BETWEEN PREGNANCY AND VESTIBULAR SCHWANNOMA: A HISTORICALLY IGNORED ASPECT OF TUMOR MANAGEMENT
Nathan T Zwagerman, MD, FAANS; Michael S Harris, MD; Karl Doerfer, MD; Erin Harvey, MD; Ahmed M Alnemari, MD, MPH, FRCSC; Medical College of Wisconsin

 

(P464) CROSSMODA COMPUTATIONAL COMPETITION: EVOLUTION OF CROSS-MODALITY DOMAIN ADAPTATION TECHNIQUES FOR VESTIBULAR SCHWANNOMA AND COCHLEA SEGMENTATION FROM 2021 TO 2023
Navodini Wijethilake¹; Reuben Dorent²; Marina Ivory¹; Aaron Kujawa¹; Jonathan Shapey³; Tom Vercauteren¹; ¹King's College London, London, United Kingdom; ²Harvard Medical School, USA; ³King's College Hospital, London, United Kingdom

 

(P465) TIMING OF INTERVENTION AND ADVERSE OUTCOMES IN ACOUSTIC SCHWANNOMAS WITH HEARING LOSS: A RETROSPECTIVE STUDY
Hani Samarah, BS; Julian Jackson, BS; Praneet Kaki, BS; Kalena Liu, BS; Jacob Hunter, MD; Thomas Jefferson University

 

(P466) RETROLABYRINTHINE ENDOSCOPIC ASSISTED APPROACH FOR RESECTION OF ACOUSTIC NEUROMA
Lawrance Lee, MD; Arman Saeedi, MPH; Nauman F Manzoor; Virginia Commonwealth University

 

(P468) RACE AND SOCIOECONOMIC STATUS IN THE MANAGEMENT OF VESTIBULAR SCHWANNOMAS: INTERACTIONS AND TRENDS OVER THE PAST 20 YEARS
Victoria Dreyer, BS; Peter Harris, MD; Lekhaj Daggubati, MD; The George Washington University School of Medicine

 

(P471) CURRENT STATE OF INTRAOPERATIVE NEUROMONITORING OF THE FACIAL NERVE DURING SKULL BASE SURGERY: A SCOPING REVIEW
Jihad Abdelgadir, MD¹; Tanner J Zachem, BSE¹; Syed M Adil, MD¹; Jordan K Hatfield¹; Joshua Woo, BS¹; Brandon Lee, BS²; Kaela Drummond¹; Emma Schlumbom¹; Samantha Kaplan, PhD¹; Ralph A Hachem, MD¹; Patrick J Codd, MD¹; Ali Zomorodi, MD¹; Rory Goodwin, MD, PhD¹; ¹Duke University; ²University of North Carolina

 

(P472) COMPARING OUTCOMES OF SOLO NEUROSURGICAL VERSUS MULTIDISCIPLINARY APPROACHES IN RETROSIGMOID RESECTION OF VESTIBULAR SCHWANNOMAS
Kurbaan S Shergill; Brian D Westerberg, MD, MHSc, FRCSC; Ryojo Akagami, MD, BSc, MHSc, FRCSC; Serge Makarenko, MD, FRCSC; University of British Columbia

 

(P473) HEAR, HEAR—DIFFERENTIAL HEARING OUTCOMES AFTER WAIT-AND-SCAN VERSUS UP-FRONT STEREOTACTIC RADIOSURGERY FOR INITIAL MANAGEMENT OF SPORADIC VESTIBULAR SCHWANNOMA: SYSTEMATIC REVIEW AND META-ANALYSIS
MacGregor C Thomas, BS; Matthew Burris, BS; Tyler Gunter, MD; Ozer Algan, MD; Alexander G Bien, MD; Ian F Dunn, MD; Christopher S Graffeo, MD, MS; The University of Oklahoma Health Sciences Center

 

(P474) AUTOMATED OPERATIVE WORKFLOW RECOGNITION IN VESTIBULAR SCHWANNOMA RESECTION: DEVELOPMENT AND PRECLINICAL EVALUATION OF A DEEP LEARNING NEURAL NETWORK (IDEAL STAGE 0)
Simon C Williams, Mr¹; Dorothée Duvaux, Miss²; Adrito Das, Mr²; Siddharth Sinha, Mr¹; Hugo Layard Horsfall, Mr¹; Jonathan P Funnell, Mr¹; John G Hanrahan, Mr¹; Danyal Z Khan, Mr¹; William R Muirhead, Mr¹; Neil Kitchen, Mr¹; Francisco Vasconcelos, Dr²; Sophia Bano, Dr²; Danail Stoyanov, Prof²; Patrick Grover, Mr¹; Hani J Marcus, Mr¹; ¹The National Hospital For Neurology and Neurosurgery; ²Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS)

 

(P475) SPECTRUM OF BURDEN OF DISEASE IN PATIENTS WITH NEUROFIBROMATOSIS TYPE 2 UNDER THE UPDATED DIAGNOSTIC CRITERIA
Maya Harary; Alexandra White, MD; P. Leia Nghiemphu, MD; Richard Everson; UCLA

 

(P476) CONTINUOUS FACIAL NERVE MONITORING WITH DIRECT BALL-TYPED ELECTRODE STIMULATION DURING THE VESTIBULAR SCHWANNOMA SURGERY
Wan-Soo Yoon, MD, PhD; Yeo Song Kim, MD; Dong-Sup Chung, MD, PhD; Incheon St. Mary's Hospital, The Catholic University of Korea

 

(P477) TRANSPALPEBRAL SUPRAORBITAL CRANIOTOMY FOR RESECTION OF ANTERIOR SKULL BASE MENINGIOMA
Carter M Suryadevara, MD, PhD; John N Muller, MD; James Ryoo, MD; David A Staffenberg, MD; Donato Pacione, MD; NYU Langone Health