直肠平滑肌肉瘤较为罕见，临床表现缺乏特征，因而常延误诊断和治疗。我院从1965年至1993年共收治15例，均经病理证实＿现将临床资料分析讨论如下临床资料本组男性10例，女性5例，男：女=2：1。年龄36岁至74岁，平均年龄为54.5岁。自发病至就医时间为2至24月，平均12.5月，其中 Rectal leiomyosarcoma is rare and lacks clinical features, which often delay diagnosis and treatment. In our hospital from 1965 to 1993 a total of 15 cases were admitted and confirmed by pathology _ clinical data analysis and discussion of the following clinical data in this group of 10 males and 5 females, male: female = 2:1. Ages 36 to 74, with an average age of 54.5. The time from onset to medical treatment is from 2 to 24 months, with an average of 12.5 months.