患者、男、14岁。上腹隐疼反酸1年余。逐渐加重并呕吐5个月。体检:心肺无异常。上腹部剑下压疼,未扪及包块。实验室检查无特殊。X线:胃部大量潴留液。胃窦幽门前区有充盈缺损,大小约4×3cm。边缘尚光整。周围粘膜中断消失。局部胃壁硬且无蠕动。十二指肠无异常。诊断为胃窦部肿 Patient, male, 14 years old. Epigastric pain reversal more than one year. Gradually aggravate and vomit for 5 months. Physical examination: No abnormalities in heart and lungs. Stomach pressure under the upper abdomen, not palpable and mass. No special laboratory tests. X-ray: a large amount of fluid in the stomach. Gastric antrum has a filling defect in the anterior pyloric area, about 4×3cm in size. The edge is still bright. The disruption of the surrounding mucosa disappears. The local stomach wall is hard and there is no creep. No abnormal duodenum. Diagnosis of gastric antrum swelling