耳甲腔成形术对乳突根治术疗效的影响

目的：探讨耳甲腔成形术对乳突根治术疗效的影响。方法：对１３３耳做耳甲腔成形术（成形组）及１８７耳未做耳甲腔成形术（对照组）的乳突极治术患者，进行疗效对比，结果：成形术后干耳时间平均为５．１周。术腔肉芽的发生率为６．４％，仅１例术后因残余胆脂瘤再次手术；对照组平均干耳时间为７．５周，术腔肉芽的发生率为２３．４％，有３例术后胆脂瘤复发，成形组无一例在冷空气环境中出现头晕，耳鸣，耳部不适等症状。结论：耳

The effects of the plasty of the cavity of auricular concha in the post-mastoidectomy

Objective:The purpose of this study was to compare the results of mastoidectomy with the plasty of the cavity of auricular concha and the counterpart of mastoidectomy without it at after for 2~6 years followup.Method:A retrospective analysis of 320 choleseatoma cases,surgically treated at the department of otorhinolaryngology head and neck surgery,Renji hospital affiliated to Shanghai No.2 Medical Univercity,over a 9 year period,is reported.Result:A satisfactory results from the follow up implicated that this procedure was important for epithelization of the mastoid cavity and the attaining of dry ear after mastoidectomy.Conclusion:The plasty of the cavity of auricular concha has an emphasized role in the post mastoidectomy and is clinically worthy to be applicated.