胆脂瘤型中耳炎是慢性中耳炎的一种常见类型,它能破坏中耳内结构及周围的颅骨,造成听力下降及严重的颅内并发症。现对于胆脂瘤型中耳炎采取手术治疗已经没有争议,其手术的目的在于:(1)彻底清除病变组织,包括鼓室、鼓窦和乳突腔内的胆脂瘤及病变的骨质和黏膜等;(2)重建听力。但 Cholesteatoma otitis media is a common type of chronic otitis media that destroys the structure of the middle ear and the surrounding skull, causing hearing loss and severe intracranial complications. Now for the treatment of cholesteatoma otitis media surgery has been no controversy, the purpose of its surgery is: (1) the complete removal of diseased tissue, including the tympanic cavity, the drum and the cholesteatoma in the mastoid cavity and lesions such as bone and mucosa ; (2) reconstruction of hearing. but