患者,女,60岁。1990年 1月 6日入院。3 月前因误吞肉骨出现咽下痛,4天后进食时有胸骨后隐痛,10天后疼痛向胸前放射,但吞咽食物尚正常。入院前一天,囫囵吞下一块瘦猪肉后有堵塞感,咽下困难,但无呕吐及呕血,无呛咳及气促。入院时体检:痛苦表情,心肺正常,肝脾未触及。颈部无压痛无肿块,咽部未见异物。间接喉镜下见两侧梨状窝积液。在表面麻醉下行食管镜检查,于距上切牙 Patient, female, 60 years old. January 6, 1990 admitted to hospital. 3 months ago swallowing swallowing pain due to misdiagnosis of the bones, sore back after 4 days of eating pain, 10 days after the pain to the chest radiation, but swallowing food is still normal. The day before admission, 囫 囵 swallowing a piece of lean pork blockage, swallowing difficulties, but no vomiting and hematemesis, no cough and shortness of breath. Physical examination on admission: painful expression, normal heart and lung, liver and spleen not touched. Neck no tenderness no lumps, throat no foreign body. Indirect laryngoscopy see both sides of the limp fossa effusion. Under the surface of esophagoscopy under the anesthesia, incisors from the distance