1980年至1989年10年间,我科手术治疗中耳乳突炎446例。其中75例并发耳源性颅内并发症,占中耳乳突手术16.82%。现报道如下, 临床资料一、性别与年龄:男性56例,女性19例,男女之比为2.9∶1;年龄最小6岁,最大50岁;其中11～20岁40例,～30岁16例,共占总数74.6%。二、中耳乳突病变及侧别:右侧35例,左侧40例,两侧无明显差异。75例慢性中耳乳突炎中,胆脂瘤性66例,占88%;骨疡性7例,占9.3%;慢性单纯性2例,占2.6%。三、发病地区:74例来自农村地区,1例为 During the 10 years from 1980 to 1989, 446 cases of otitis media were surgically treated in our department. Among them, 75 cases had otogenic intracranial complications, accounting for 16.82% of the mastoid process. Are reported as follows, clinical data, sex and age: 56 males and 19 females, male to female ratio of 2.9: 1; the youngest 6 years old, maximum 50 years; of which 40 cases of 11 to 20 years old, ~ 30 years old in 16 cases , A total of 74.6% of the total. Second, the middle ear papilla lesions and side: right in 35 cases, left 40 cases, no significant differences on both sides. In 75 cases of chronic otitis media, 66 cases were cholesteatoma, accounting for 88%; 7 cases were bone ulcer, accounting for 9.3%; 2 cases were chronic simple, accounting for 2.6%. Third, the incidence of areas: 74 cases from rural areas, 1 case