Abstract

Objective: Endonasal endoscopic transcribriform approaches aiming to manage various pathologies like olfactory groove meningiomas could reveal large craniotomies opening to the sinonasal cavity at the end of the procedure. Large defects created by this approach between two lamina papyracea could involve resection of crista galli and reveal challenges during reconstruction. The aim of this report is to emphasize the value of multilayer reconstruction techniques for watertight closure after endoscopic transcribriform approaches.

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