患者,男,52岁。反酸、嗳气2月余,体检未发现明显异常。胃镜检查:胃窦区见巨大黏膜隆起,表面光滑质软,蠕动良好,色泽正常。诊断:胃平滑肌瘤。局部取活检提示:轻度慢性浅表性胃炎伴黏膜肌增生。CT所见:口服冷开水400ml后平扫见胃窦后部有一18mm×20mm×20mm类圆形低密度影,向腔内突入,边缘清楚光滑,密度均匀,周围胃壁无增 Patient, male, 52 years old. Acid reflux, belching more than 2 months, physical examination found no significant abnormalities. Gastroscopy: a large gastric mucosa uplift mucosal area, the surface smooth and soft, good peristalsis, normal color. Diagnosis: Gastric leiomyoma. Local biopsy tips: mild chronic superficial gastritis with mucosal hyperplasia. CT see: oral cold water after 400ml plain see the antrum in the back of a 18mm × 20mm × 20mm class of circular low density shadow, into the cavity into the clear, smooth edge, uniform density, no increase in the surrounding stomach