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乳突根治腔的重建是为了干耳及改善听力。作者回顾1970～1990年的214例,其中开放性鼓室成形7例(重建鼓膜及乳突尖部分填塞),外耳道重建8例(用骨浆及纤维胶固定骨及软骨,覆以大块筋膜移植)及充填式鼓室成形术199例。着重分析199例,仅2例为11岁以下儿童,绝大多数为21～40岁。大多数病人接受2次以上手术,最多的分别为17及18次。术时发现乳突腔充满胆脂瘤86耳,半规管瘘管11耳,咽鼓管胆脂瘤8耳及阻塞6耳,镫骨底板完全固定4耳,全聋3例(分别为耳毒性药滴耳、瘘管及底板脱位各1例)。手术分二
Mastoid radicalization of the cavity reconstruction is to dry ears and improve hearing. The authors reviewed 214 patients from 1970 to 1990, including open tympanoplasty in 7 cases (remodeling of tympanic membrane and mastoid tip partial filling) and reconstruction of external auditory canal in 8 cases (bone and cartilage were fixed with bone cement and fibrin glue, covered with large fascia Transplant) and filling tympanoplasty in 199 cases. Analysis of 199 cases, only 2 cases of children under the age of 11, the vast majority of 21 to 40 years old. Most patients underwent more than two surgeries, up to a maximum of 17 and 18, respectively. Surgery found that the mastoid cavity was filled with cholesteatoma 86 ears, semilunar canal fistula 11 ears, 8 cases of eustachian tube cholesteatoma and obstruction 6 ears, stapes floor completely fixed 4 ears, 3 cases of total deafness (respectively ototoxic drops Ear, fistula and floor dislocation in 1 case). Surgery divided into two