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P410: COMBINED EXPANDED ENDOSCOPIC ENDONASAL (EEA) AND TRANSORBITAL ONE-PIECE FRONTO-ORBITAL CRANIOTOMY FOR 360-DEGREE DECOMPRESSION OF OPTIC NERVE IN A PATIENT WITH A LARGE MULTICOMPARTMENTAL MENINGIOMA
Evangelos Drosos¹; Mahmoud Asad¹; Cristina Cernei¹; Camille K Milton²; Michelle Spear³; Warren Bennett¹; Kumar Abhinav¹; ¹Bristol Institute of Clinical Neurosciences, Department of Neurosurgery, Southmead Hospital, Bristol, UK; ²University of Tennessee, Semmes Murphey Clinic, Department of Neurosurgery; ³University of Bristol, Department of Anatomy

A 45-year-old man presented with right vision-loss from a large multicompartmental tentorial incisura meningioma. A two-stage approach was selected including expanded endoscopic endonasal for medial optic nerve and infra-chiasmatic decompression (stage-1) followed by extended orbito-zygomatic and anterior clinoidectomy (stage-2) to complete the decompression of the ipsilateral optic nerve and optic chiasm. The aim was for symptomatic management and optimal long-term outcome achieving post-operatively improvement of the vision.

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