我院自1985～1988年收治胃平滑肌肉瘤并发急性上消化道大出血6例,均经手术和病理证实。结合文献对发生大出血的病理基础,术中鉴别胃癌的要点和选择手术方式的原则等作了讨论,并通过随访对术后5年生存率作了评价。临床资料男性3例,女性3例,年龄43～69岁,平均53岁。出血病史最长13天,最短7小时,5例在24小 In our hospital from 1985 to 1988, 6 cases of gastric leiomyosarcoma complicated with acute upper digestive tract bleeding were confirmed by operation and pathology. Combined with the literature, the pathological basis of major bleeding, the main points of intraoperative identification of gastric cancer and the principles of selecting surgical methods were discussed, and the 5-year survival rate was evaluated through follow-up. Clinical data were 3 males and 3 females, aged 43-69 years old, with an average age of 53 years. History of bleeding is as long as 13 days, the shortest 7 hours, 5 cases in 24 small