对于在非耳硬化症的病例中施行镫骨底板切除术和镫骨撼动术一向被人们视为畏途。为确切了解其对耳蜗的危险性,作者们回顾分析了此类手术60例,其中镫骨撼动术5例,镫骨底板切除术55例。患者年龄在8～65岁。平均年龄比同期所行344例耳硬化症手术患者的年龄要年青。病变类型分析如下: 1.耳部先天性畸形伴底板固定7例:年龄 For the case of non-otosclerosis stapes and stapes surgery has always been regarded as a dread. In order to understand their exact risk of cochlear, the authors reviewed 60 such surgeries, of which 5 were stapes shattering and 55 resection of the stapes. Patients aged 8 to 65 years old. The mean age was younger than the 344 patients with otosclerosis underwent over the same period. Analysis of the type of lesions are as follows: 1. Ear congenital anomalies with plate fixation in 7 cases: age