保留外耳道后壁乳突切除与鼓室成形术 (CAP)在治疗胆脂瘤型慢性化脓性中耳炎上已得到了肯定的疗效 ,而对非胆脂瘤型慢性化脓性中耳炎 ,以往多采取保守治疗 ,但由于鼓室、鼓窦和乳突存在炎性肉芽、息肉 ,故保守治疗常常无效。我科自1998年以来 ,对保守治疗无效的非胆脂瘤型慢性 Preservation of the posterior wall of the external auditory canal mastoid excision and tympanoplasty (CAP) in the treatment of cholesteatoma chronic suppurative otitis media has been affirmed the efficacy of non-cholesteatoma chronic suppurative otitis media, in the past to take more conservative treatment, However, due to the tympanic cavity, the sinuses and the mastoid inflammatory granulation, polyps, so conservative treatment is often ineffective. Our department since 1998, the conservative treatment of non-cholesteatoma invalid