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胆脂瘤是长期以来耳科医生难以对付的一个问题。在过去的20年里,其发病率无大变化,在病因的基础研究和预防方面亦无新的发展。本文在复习了胆脂瘤的成因、分类和治疗发展史后,对1956～1970年间经病理证实的胆脂瘤应用两种手术方法,即经典的开放术和近20年发展起来的封闭术的术后效果进行了比较。其中在1964年以前全部病人皆用开放术,包括改良根治术和乳突根治术,1964年以后者大部分病例采用封闭术,即保留外耳道后壁的联合进路鼓室成形术。1,142例中成人1,044例,平均年龄28岁;儿童98例,平均年龄9岁。分别做如下统计:(1)穿孔部
Cholesteatoma is a problem that ear doctors have long had trouble coping with. In the past 20 years, its incidence has not changed greatly, and there is no new development in the basic research and prevention of etiology. After reviewing the genesis, classification and treatment history of cholesteatoma, we applied two kinds of surgical methods to pathologically confirmed cholesteatoma from 1956 to 1970, namely, classic open surgery and closed surgery developed in the past 20 years Postoperative effects were compared. Among them, all patients were treated with open surgery before 1964, including modified radical mastectomy and mastoidectomy. In most cases after 1964, occlusion was performed, that is, the combined approach of tympanoplasty retaining the posterior wall of external auditory canal. Among 1,142 adults, 1,044 were adults, with an average age of 28 years and 98 children, with an average age of 9 years. Do the following statistics: (1) perforation Department