由于胆脂瘤的临床侵袭性 ,通常被要求行手术治疗 ,而其中一部分可通过保守和 /或局部治疗获得缓解。该作者以往的研究发现胆脂瘤术后复发与乳突气体交换丧失密切相关 ,乳突气体交换是否存在和乳突气腔存在与否相辅相成。最近的研究还阐明了经过粘膜气体交换和通过咽鼓管均可使 Due to the clinical aggressiveness of cholesteatoma, surgical treatment is usually required, and some may be alleviated by conservative and / or local treatment. The authors previous study found that postoperative recurrence of cholesteatoma and mastoid gas exchange loss is closely related to the existence of mastoid gas exchange and presence or absence of mastoid air cavity complement each other. Recent studies have also demonstrated that gas can be exchanged through the mucosa and through the eustachian tube