近亲婚配致先天性聋二例报告吴晶１陈安军２先证者，男，２２岁。因自幼耳聋，不会说话，于１９９３年１１月就诊，１０余岁时曾有过“链霉素”注射史，量不详。专科检查：双耳外耳道及鼓膜无异常发现，纯音测听示双耳仅５００～１０００Ｈｚ有８０～９０ｄＢＨＬ残余听力... Inbreeding caused by congenital deafness two cases report Wu Jing 1 Chen Anjun 2 proband, male, 22 years old. Because of childhood deafness, can not speak, in November 1993 for treatment, 10 years old had had “streptomycin” injection history, the amount is unknown. Specialist examination: no abnormalities in both ears, ear canal and tympanic membrane found, pure tone audiometry showed only 500 ~ 1000Hz ears with 80 ~ 90dBHL residual hearing ...