临床资料一、性别与年龄31例中男性20例,女性11例,男多于女,男女之比为1.8:1;年龄;10岁～7例;20岁～4例;30岁～6例;40岁～9例;50岁～4例;61岁以上1例.最小年龄13岁.最大70岁.平均年龄37岁。二、部位:本组31例,左侧12例,右侧19例,左右无明显差异。临床检查以围绕耳垂为中心的腮 Clinical data First, the gender and age 31 cases of 20 males and 11 females, more men than women, male to female ratio was 1.8: 1; age 10 to 7 cases; 20 years to 4 cases; 30 years to 6 cases 40 years old to 9 years old, 50 years old to 4 years old, 1 case above 61 years old, the minimum age was 13 years old, the maximum was 70 years old, and the average age was 37 years old. Second, the site: The group of 31 cases, 12 cases of left and right in 19 cases, no significant difference between the left and right. Clinical examination around the earlobe as the center of the cheek