鼓室硬化系中耳慢性炎症后遗的黏膜或黏骨膜退行性病变,是引起传导性聋的一种常见原因。早期对鼓室硬化是否采用手术治疗存在争议,但近年来随着鼓室成形术的广泛开展,特别是人工听骨赝复物中部分听骨赝复物(partial os-sicular replacement prosthesis,PORP)和全部听骨赝复物(t Department of tympanic sclerosis in the middle ear chronic inflammation of the mucosa or mucoid degenerative disease, is caused by a common cause of conductive deafness. In the early stage, whether tympanosclerosis is treated surgically or not is controversial. However, with the extensive development of tympanoplasty in recent years, especially partial os-sicular replacement prosthesis (PORP) in artificial ossicular prostheses Bone prosthesis (t