作者报告七年间收治的100例术后上颌窦囊肿的临床观察结果,提出一些预防措施。一、一般情况:男59例、女41例,男女比例为1.4:1。左侧发病51例,右侧发病49例,约为1:1。发病年龄由20岁至71岁,30岁至39岁49例,40岁至49岁28例。检查发现本病至初次手术时间最短者为两年,最长者为50年,手术后11～20年 The authors report the clinical observation of 100 cases of maxillary sinus cysts treated in the past seven years and put forward some preventive measures. First, the general situation: 59 males and 41 females, male to female ratio of 1.4: 1. 51 cases of left side of the onset, the right side of the onset of 49 cases, about 1: 1. The age of onset ranged from 20 to 71 years, 49 from 30 to 39 years and 28 from 40 to 49 years. Check found that the disease to the time of the first operation for the shortest two years, the longest 50 years, 11 to 20 years after surgery