患者　女 ,43岁。因进行性吞咽困难伴胸骨后疼痛 3个月入院。入院时患者仅能进流质食物 ,体重下降 10余斤。体检无明显阳性体征 ,各项实验室检查正常。Ｘ线钡餐检查 :食管中上段明显扩张并向双上纵隔突出 ,钡剂大部分偏左侧通过。食管镜示 :距门齿 2 3～ 2 7ｃｍ处食管腔内隆起 Female patient, 43 years old. Due to progressive dysphagia with sternal pain 3 months after admission. Patients can only enter the hospital admission of liquid food, weight loss of more than 10 pounds. No significant positive physical examination, the laboratory tests were normal. X-ray barium meal examination: the upper esophagus was significantly dilated and double to the mediastinum prominent, most of the left side of the barium through. Esophageal mirror: from the incisor 2 3 ~ 2 7cm at the esophageal cavity uplift