面神经瘤（面神经鞘瘤及面神经纤维瘤）是一种发生于面神经的较少见的良性肿瘤，发病率0．4％－2．6％[1,2]。临床诊断较困难，其CT表现尚缺乏深入研究。我室1987－1992年共发现3例，经手术病理证实，现就CT表现分析如下。1临床资料例1，女，27岁，发作性头痛伴面瘫1年余，在耳 Facial neuroma (facial nerve sheath tumor and facial nerve fibroma) is a relatively rare benign tumor that occurs in the facial nerve with a prevalence of 0.4% -2.6% [1,2]. Clinical diagnosis is more difficult, its CT performance is still lack of in-depth study. My room from 1987 to 1992 were found in 3 cases, confirmed by surgery and pathology, CT performance analysis are as follows. 1 clinical data example 1, female, 27 years old, episodic headache with facial paralysis more than 1 year, in the ear