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一、江西医学院第二附属医院1958～1963年间经过手术证实的60例乳突胆脂瘤的发病年龄:10岁以下23%,11～20岁37%,21～30岁31%,31～40岁5%,40岁以上4%.即91%发生在30岁以前.发病性别:男性40例,女性20例.左右耳发病数:左37,右19,双耳4例.病程1年以下的1例,1年以上至5年的16例,5年以上至10年的13例,10年以上到20年的17例,20年以上的5例,病程不详8例. 二、60例的X线投照均以Law’s侧位及Mayer’s轴位为常规.其中3例加照Schüller’s位,4例加照
First, the Second Affiliated Hospital of Jiangxi Medical College from 1958 to 1963 confirmed by surgery 60 cases of mastoid cholesteatoma age of onset: 23 years of age less than 23%, 11 to 20 years old 37%, 21 to 30 years old 31%, 31 ~ 40% 5 years old, 40% 4% or 91% occurred before the age of 30. Incidence of gender: 40 cases of men and women in 20. Left and right ear incidence: left 37, right 19, binaural 4 cases. Duration of 1 year The following 1 cases, more than 1 year to 5 years in 16 cases, more than 5 years to 10 years in 13 cases, more than 10 years to 20 years in 17 cases, more than 20 years in 5 cases, 8 cases of unknown course of disease. Cases of X-ray projection are Law’s lateral and Mayer’s axis as a routine .Among them 3 cases Schüller’s position, 4 cases plus