本文报道近5年收治的胃肠道平滑肌肉瘤28例。男:女=3.7:1,平均年龄53岁。临床表现以消化道出血和腹部包块为主。诊断要点应注意消化道出血的有关检查,强调X线检查的价值和内镜检查的配合应用。分析了肿瘤的生长方式与临床的关系及误诊原因,阐述了合理手术原则。 This article reports 28 cases of gastrointestinal leiomyosarcoma treated in the past 5 years. Male: Female = 3.7:1, average age 53 years old. The clinical manifestations were mainly gastrointestinal bleeding and abdominal mass. Diagnostic guidelines should pay attention to the relevant examination of gastrointestinal bleeding, emphasizing the value of X-ray examination and the application of endoscopy. The relationship between the growth pattern of the tumor and the clinic and the reasons for misdiagnosis were analyzed. Reasonable surgical principles were described.