患者,男,62岁,因误咽义齿5h于2010年12月4日入我院。患者误咽义齿后又强行咽饭约200g,遂感胸骨后疼痛。在当地医院拍胸部X片示食管中段异物而急转我院。详细询问患者后得知:义齿为1排8个,两端各有1个金属钩,因刺激牙龈而剪断一侧金属钩,仅保留一侧。胸片显示金属钩可能朝上。胸部三维CT显示:义齿长约5cm,上端金属钩紧贴主动脉弓,未见纵隔积气(图 The patient, male, aged 62, was admitted to our hospital on December 4, 2010 for 5 hrs of misdiagnosis. After the patient inoperable pharyngeal pharyngeal pharynx rice meal about 200g, then feel the pain after the sternum. In the local hospital filming chest X-ray showed the middle of the esophagus and acute my courtyard. After inquiring about the patient in detail, the denture is 8 rows in 1 row, one metal hook at each end, and the metal hook is cut off by stimulating the gums, leaving only one side. Chest radiograph shows the metal hook may be up. Thoracic three-dimensional CT showed: denture length of about 5cm, the upper end of the metal hook close to the aortic arch, no mediastinal gas accumulation (Figure