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[Trigeminal neurinoma in the cavernous sinus revealed by intratumoral hemorrhage: a case report].

Tatsuki Oyoshi, Kazuho Hirahara, Masaaki Niino, Kunihiko Hayashi, Minoru Tamura, Tetsuro Shimozuru, S Kasamo, K Kadota

Abstract

A case of trigeminal neurinoma located in the left cavernous sinus and revealed by intratumoral hemorrhage is reported. Preoperatively, magnetic resonance imaging provided the accurate localization of the lesion, allowing precise planning of the surgical approach. The neurinoma inside the cavernous sinus wall was removed successfully, and the patient developed no new neurological deficits except for anesthesia in the 1st division of the trigeminal nerve. The characteristic findings of magnetic resonance imaging of the trigeminal neurinoma in the cavernous sinus are reported.

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Available abstract

Key concepts: Cavernous sinus, Trigeminal nerve, Magnetic resonance imaging, Medicine, Lesion, Sinus (botany), Radiology, Anatomy