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. 2023 Jan 24;14:1065315. doi: 10.3389/fneur.2023.1065315

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Copyright © 2023 Xue, Zhou, Gao, Ji and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Nasoendoscopic transsphenoidal route: (a) Use nasendoscopy to pass through the nostril, resects part of the middle turbinatet, exposes the uncinate process and ethmoid bullae of maxillary sinus, and incises the lower 1/3 of the maxillary sinus to expose the maxillary sinus. (b) Resect the ethmoid and sphenoid sinuses, reveal the sphenoid plateau and sellar base, identify the optic nerve carotid crypts as well as the optic nerve bulging. (c) Chisel the medial and superior wall of optic nerve canal and make an incision from medial to lateral.