食管支架置入术是目前治疗良、恶性食管狭窄,食管气管瘘,食管纵隔瘘行之有效的方法[1~3]。它不仅很好地解决了患者因食管狭窄而不能进食的问题,使患者的营养得以保障,而且瘘口的封堵使患者呛咳、感染等症状迅速缓解[4,5]。同时携带放射性粒子的带膜支架对恶性食管癌病灶本身具 Esophageal stent implantation is the treatment of benign and malignant esophageal stenosis, esophageal tracheal fistula, esophageal mediastinal fistula is an effective method [1 ~ 3]. It not only solves the problem that the patient can not eat due to esophageal stenosis, so that the nutrition of the patient can be guaranteed, and the blockage of the fistula can make patients cough and the symptoms such as infection quickly relieve [4,5]. At the same time with radioactive particles of the stent with malignant lesions of esophageal cancer itself