Korean J Otolaryngol-Head Neck Surg.  1998 Nov;41(11):1481-1484.

A Case of Facial Nerve Schwannoma Extending into the Middle Cranial Fossa

• Chang KH
• Kim JS
• Kim YO
• Yeo SW

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

MeSH Terms

Cranial Fossa, Middle*
Facial Nerve*
Neurilemmoma*
Petrous Bone