目的提高对胃平滑肌肉瘤的认识。方法 3例经手术病理证实的临床、影像学资料,并对其X线钡餐检查进行分析。结果影像学上钡餐检查,胃体小弯侧可见不规则之充盈缺损,边缘不整齐,局部黏膜不规则。2例肿瘤位于胃内,向腔内生长,1例肿瘤腔内、腔外同时生长。结论胃平滑肌肉瘤在X线钡餐检查上有一定特点,对其表现可以提高认识,有助于做出正确的诊断。 Objective To improve the understanding of gastric leiomyosarcoma. Methods Three cases were confirmed by clinical pathology and imaging data, and their X - ray barium meal examination was analyzed. The results of imaging barium meal examination, the lesser curvature side of the body can see irregular filling defects, irregular edges, local mucosal irregularities. Two tumors located in the stomach, growing to the cavity, one case of tumor cavity, extracavitary growth at the same time. Conclusions Gastric leiomyosarcoma has certain features on X-ray barium meal examination, which can improve its understanding and help to make the correct diagnosis.