近年对胆脂瘤手术采用封闭抑开放式技术有很多讨论,所报告的成功与失败结果亦很不相同。作者报告1971～1983年间100例保存外耳道后壁的胆脂瘤手术随访13年的结果,并分析其成功、失败与中耳通气功能的关系。随访结果:38％属正常。62％失败,其中23％袋形内陷,21％袋形内陷以外耳道后壁缺损,10％袋形内陷和残留胆脂瘤上皮,7％发生残留胆 In recent years, the use of closed choke the open cholesteatoma open surgery have a lot of discussion, the reported success and failure results are very different. The authors reported the results of 13 years of follow-up of 100 cases of cholesteatoma preserved in the posterior wall of the external auditory canal from 1971 to 1983 and analyzed the relationship between success and failure and the ventilation of the middle ear. Follow-up results: 38% is normal. 62% failed, of which 23% bag-shaped invagination, 21% bag-shaped invagination outside the posterior wall of the defect, 10% bag-shaped depression and residual cholesteatoma, 7% residual gall