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KMID : 0361019980410111481
Korean Journal of Otolaryngology - Head and Neck Surgery
1998 Volume.41 No. 11 p.1481 ~ p.1484
A Case of Facial Nerve Schwannoma Extending into the Middle Cranial Fossa.
Chang Ki-Hong

Kim Jong-Soo
Kim Yong-Oh
Yeo Sang-Won
Abstract
Schwannomas of the facial nerve are uncommon tumors, accounting for about 0.8% of all intrapetrous mass lesion.1-3) Very rarely do these lesions acts as expansile tumors of the petrous bone that extend to involve the intracranial cavity.1-10) Recently we experienced 1 case of facial nerve schwannoma unusually extending into middle cranial fossa which was removed by transcochlear and middle fossa approach. So we report the case with review of literature.
KEYWORD
Facial nerve schwannoma, Middle cranial fossa, Trascochlear-middle fossa approach
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