目的 :探讨岩部胆脂瘤的临床特征及手术方法。方法 :经迷路前上径路手术治疗 1例 ,经迷路 耳蜗径路手术治疗 8例。结果 :术后 8例随访 2～ 9年 ,局部无胆脂瘤复发 ,其中 2例面神经全程减压 ,术后未能恢复 ;1例术后 2个月出现面肌运动 ,7个月后恢复正常。 1例术后仅 2个月 ,有待随访。结论 :根据病变部位及侵犯范围选择适当的手术途径 ;术腔内填塞脂肪 ,封闭外耳道可防止脑脊液外漏 Objective: To investigate the clinical characteristics and surgical methods of cholesteatoma in rock department. Methods: One case was surgically treated by laparotomy and 8 cases were treated by labyrinthine labyrinth. Results: Eight cases were followed up for 2 to 9 years. There was no local recurrence of cholesteatoma. Two cases of facial nerve decompression were performed after the procedure and failed to recover after operation. One case showed facial muscle movement at 2 months after operation and recovered after 7 months normal. One patient was only 2 months after operation and was to be followed up. Conclusion: According to the lesion and the scope of invasion, select the appropriate surgical approach; intraoperative fat filling, closing the external auditory canal can prevent cerebrospinal fluid leakage