肠道平滑肌肿瘤较罕见,无论良性或恶性其X线表现较典型,尤其伴发溃疡瘘道者具有特殊改变,在诊断上有一定价值,故将我们遇到的两例小肠恶性平滑肌瘤和两例结肠平滑肌瘤报导如下例1,女性,41岁,住院号4654。因腹部坠痛伴右下腹块5个月入院。腹块约成人拳头大,可随体位移动、有腹泻史,无黑便,对症治疗无好转。一月来腹块明显增大,食纳差消瘦、气喘。 Intestinal smooth muscle tumors are rare, benign or malignant X-ray findings are more typical, especially in patients with ulcerated fistula have special changes, there is a certain value in the diagnosis, so we will encounter two cases of small intestinal malignant leiomyoma and Two cases of colonic leiomyoma were reported in Example 1, female, 41 years old, hospitalization number 4654. The lower abdomen was admitted to the hospital for 5 months due to abdominal pain. Abdominal mass about adult fist, can move with the body position, have a history of diarrhea, no melena, symptomatic treatment did not improve. The abdominal mass was significantly increased in January, and the appetite was thin and wheezing.