[Comparison of the treatment effect for stage Ⅰepitympanic cholesteatoma with atticotomy and Bondy modified radical mastoidectomy].

To compare the efficacy and safety between Bondy modified radical mastoidectomy (BMRM) and atticotomy for stage Ⅰ epitympanic cholesteatoma. A retrospective analysis of 36 cases with stage Ⅰ epitympanic cholesteatoma was performed. According to different surgery methods, the cases were divided into the atticotomy group (21 cases) and the BMRM group (15 cases). Hearing function, the dry ear ratio after two months of the surgery, and the epithelial time were observed. The complications for the retraction of tympanic membrane, residual or recurrence of cholesteatoma, and otorrhea were analyzed. There was no significant difference between the two groups in average air-bone gaps (ABG) and ABG gain before and after surgery (>0.05). The preoperative hearing was preserved both in the atticotomy group and the BMRM group. However, more surgery time, lower ratio of the dry ear after two months of the surgery, and longer epithelial time were observed in the BMRM group than those in the atticotomy group(<0.05). No cholesteatoma residual or recurrence was observed in both groups. For stage Ⅰ epitympanic cholesteatoma lateral to an intact ossicular chain, atticotomy has the advantage of complete removal of the cholesteatoma matrix, avoiding big mastoidal cavity, keeping normal anatomical structure of external auditory canal, better hearing preservation, and faster healing. Therefore, atticotomy has better clinical and practical value.