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

A 51 year-old woman presented with an olfactory groove meningioma causing seizures, confusion, and anosmia. Due to the tumor’s large size and frontal lobe edema, a single-stage craniotomy risked brain injury from intraoperative retraction. Complete resection via endoscopic endonasal approach (EEA) alone was not feasible due to the tumor's lateral extent. A two-stage resection was performed, starting with an EEA for decompression and devascularization, followed by a fronto-temporo-parietal craniotomy 4.5 months later, minimizing retraction-related morbidity.

 

 

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