二阶段完壁式鼓室成形术是治疗中耳胆脂瘤的常用手术方法。第一阶段术后 ,鼓室和乳突腔经常有软组织生长 ,究竟是胆脂瘤、胆固醇性肉芽肿、肉芽组织、纤维结缔组织或中耳粘液分泌物 ,有文献认为 MRI对此有较高的辨别力。假若第一阶段术后 ,MRI对诊断胆脂瘤的复发和残余确有足够 Two-stage wall-wall tympanoplasty is a common surgical procedure for the treatment of middle ear cholesteatoma. After the first stage, tympanic and mastoid cavity often have soft tissue growth, whether it is cholesteatoma, cholesterol granuloma, granulation tissue, fibrous connective tissue or middle ear mucus secretions, the literature that the MRI has a higher Discernment. If the first stage after surgery, MRI diagnosis of cholesteatoma recurrence and residual really enough