1在开放式乳突根治后行鼓室成形术中,我们采用了自体乳突皮质骨粉重建上鼓室结构,获得了良好效果,现报告如下。1材料与方法本组40例中,男22例,女18例;年龄16～59岁,平均37.3岁;病程半年～30余年;双耳13例,左耳16例,右耳11例;左耳手术23例,右耳17例。病理诊断为慢性骨疡型中耳炎 1 in the radical mastoidectomy under tympanoplasty, we used the autologous mastoid cortical bone remodeling on the tympanic membrane structure, obtained good results, are as follows. 1 Materials and Methods The group of 40 patients, 22 males and 18 females; aged 16 to 59 years, mean 37.3 years; duration of six months to 30 years; 13 cases of binaural, left ear in 16 cases, right ear in 11 cases; left Ear surgery in 23 cases, 17 cases of right ear. Pathological diagnosis of chronic osteomyelitis otitis media