颞骨段面神经鞘瘤极为少见 ,临床表现多变 ,首发症状多为面瘫 ,早期诊断困难 ,常误诊为贝尔面瘫 ;如有耳漏史可误诊为中耳乳突炎并周围性面瘫 ,甚致侵入颅内致颅内并发症。部分病例可无面瘫表现 ,使诊断更加困难 ,延误治疗。本科 1 998年 9月收治 1例 ,误诊为胆脂瘤型中耳炎 , Temporal bone segment schwannoma is extremely rare, the clinical manifestations of change, the first symptom is mostly facial paralysis, early diagnosis is difficult, often misdiagnosed as Bell facial paralysis; if history of ear and ear can be misdiagnosed as otitis media and peripheral facial paralysis, even invading the skull Intracranial complications caused. Some cases may be no facial paralysis, making the diagnosis more difficult, delayed treatment. Undergraduate 1 September 1998 was treated in 1 case, misdiagnosed as cholesteatoma otitis media,