十年来作者对胆脂瘤采用了关闭式操作。操作原则首先是干净彻底地切除中耳胆脂瘤,其次还要保存鼓环和外耳道后壁。注意要点是鼓室凿开要宽大,上鼓室外侧壁要重建,对镫骨脚已破坏的病例,用同种砧骨恢复听力。这种手术需分两期完成,中间相隔一年,效果良好,无并发症。 In the past decade, the author adopted a closed operation of cholesteatoma. The first principle of operation is clean and thorough removal of middle ear cholesteatoma, followed by preservation of the drum ring and the posterior wall of the external auditory canal. Note that the main point is to open the tympanum to be generous, on the outer wall of the drum to be rebuilt, tarsal foot damaged cases, using the same kind of incus recovery hearing. This surgery need to be completed in two phases, separated by one year, the effect is good, no complications.