Staged surgery performed for cholesteatoma caters to the tendency of postoperative recidivism of this pathology and for 摘要针对胆脂瘤术后容易复发或残存的特性以及改善听力的目的,我们对胆脂瘤性慢性中耳炎216耳中的105耳(48.6%),施行阶段性手术。