頸静脈孔神経鞘腫の1手術例

Jugular Foramen Neurinoma:Report of a case

I．はじめに

　頸静脈孔神経鞘腫は比較的稀であり，Gerhardt^6）の報告をはじめとして，文献上現在までに57例報告され，わが国では7例の報告があるに過ぎない．

　最近，難聴を主訴とする右頸静脈孔神経鞘腫で，全摘出術後7カ月で聴力が改善された症例を経験したので，若干の文献的考察を行い報告する．

A case of jugular foramen neurinoma was presented in detail with a review of fifty-seven cases reported in the literature.

A thirty-six-year old man was admitted to the hospital with complaints of tinnitus and hearing loss on the right side with vertigo. Neuro-otological examination revealed the definite sensorineural hearing loss and the disturbance of vestibular function on the right. Cranial nerve palsy was not revealed except for the right eighth nerve. Craniotomogram and axial view showed enlargement of the right jugular foramen.