1病例介绍患者男,73岁,主因恶心、呕吐、吞咽困难半月余收住入院。入院前半月余无明显诱因开始出现恶心、呕吐,呕吐发生在进食后30~60min,呕吐物为所进食物及黏液,无血性物,伴反酸、嗳气,感胸骨后不适,吞咽困难;有上腹部不适,无明显疼痛;无咳嗽、咳痰,有轻度心慌、气短及心前区疼痛;大便干,1次/周;精神差,休息不好,基本不能进食,近期体质量下降约10㎏。入院后化验血红蛋白浓度129g/, 1 case description Male patient, 73 years old, mainly due to nausea, vomiting, difficulty swallowing more than half a month admitted to hospital. Half a month before admission no obvious incentive to start nausea, vomiting, vomiting occurred after eating 30 ~ 60min, vomit for the food and mucus, no bloody substance, with acid, belching, feeling chest discomfort, dysphagia; there Abdominal discomfort, no obvious pain; no cough, sputum, mild palpitation, shortness of breath and precordial pain; stool dry, 1 / week; poor spirit, rest, basic can not eat, the recent weight loss about 10㎏. After admission, test hemoglobin concentration of 129g /,