Ultra-Early Optic Nerve Decompression for the Resection of Anterior Clinoidal Meningioma

Soichi Oya; Toru Matsui

doi:10.1055/s-0038-1623521

Journal of Neurological Surgery Part B: Skull Base, Table of Contents

CC-BY-NC-ND 4.0 · J Neurol Surg B Skull Base 2018; 79(S 02): S231-S232
DOI: 10.1055/s-0038-1623521

Skull Base: Operative Videos

Georg Thieme Verlag KG Stuttgart · New York

Ultra-Early Optic Nerve Decompression for the Resection of Anterior Clinoidal Meningioma

Soichi Oya

¹Department of Neurosurgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan

,

Toru Matsui

¹Department of Neurosurgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan

› Author Affiliations

Abstract

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Keywords

meningioma - anterior clinoid - optic nerve - decompression - visual recovery

Fig. 1 (A) Coronal magnetic resonance (MR) images demonstrating a right anterior clinoidal meningioma with the hypertrophied anterior clinoid. (B) Coronal MR images obtained postoperatively showing gross total resection.

Fig. 2 Intraoperative views showing a wide extradural space (arrow) by aggressive drilling of the sphenoid bone and flattening of the anterior cranial base (A), optic sheath opening (B), and dissecting the tumor from the optic nerve (C) before tumor debulking, and complete resection of the tumor invading the optic canal (D).

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Figures

Fig. 1 (A) Coronal magnetic resonance (MR) images demonstrating a right anterior clinoidal meningioma with the hypertrophied anterior clinoid. (B) Coronal MR images obtained postoperatively showing gross total resection.

Fig. 2 Intraoperative views showing a wide extradural space (arrow) by aggressive drilling of the sphenoid bone and flattening of the anterior cranial base (A), optic sheath opening (B), and dissecting the tumor from the optic nerve (C) before tumor debulking, and complete resection of the tumor invading the optic canal (D).