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1、Foreign body in esophagus,causeMore cases in old:poorly chew function,disesthesia of mouth,dental prosthesis More cases in children：like to put toy in his mouthEating too quickStenosis or lump in esophagussuicide,Sorts of foreign body animal：fishbone,bone pieces,meat lumpmetals：coinsynthetic product
2、：dental prosthesisplant：kernel,Location of foreign bodyThe first stenosis:most seenThe second stenosisThe third stenosis,Clinic symptoms dysphagiaodynophagiadyspnea：large foreign body,X-ray examinationnonopaque：positive in barium x-ray studyopaque：x-ray flat.entopic and lateral examination of esopha
3、gus,complicationEsophagus perforationInfection of periesophagus organ：neck,mediastinumLarge artery disruptionTracheal-esophageal fistula,diagnosis：history of foreign body，dysphagia,odynophagia，disorder sign in X-raytreatment：esophagoscopyElectronic gastroscopyopen：foreign body in out of esophagus,injury of large artery,Foreign body in esophagus,Foreign body in the esophagus,Chick bone,Fish bone,Foreign body in the esophagus,Coin,Perforation and mediastinitis,Foreign body in the esophagus,Foreign body in the esophagus,Foreign body in the esophagus,Perforation of the esophagus,Thanks,
