胃平滑肌肉瘤临床上较少见，因其缺乏典型症状及体征，误诊率较高。作者近十年来共收治28例，现分析如下。1临床资料本组28例中，男23例，女5例，年龄42～72岁，平均58．8岁。病程3月～8年，平均3～5年。首发症状和体征：有消化道出血史20例，其中出血史超过2年以上者10例，仅 Gastric leiomyosarcoma is rare in clinic because of its lack of typical symptoms and signs, and the rate of misdiagnosis is high. The author has treated 28 cases in the past 10 years. The analysis is as follows. 1 clinical data in this group of 28 cases, 23 males and 5 females, aged 42 to 72 years, an average of 58.8 years. The disease duration ranged from March to 8 years, with an average of 3 to 5 years. First symptoms and signs: There are 20 cases of history of gastrointestinal bleeding, including 10 cases of bleeding history exceeding 2 years, only