食管瘘包括食管气管瘘、食管纵隔瘘、食管胸腔瘘,常由恶性和良性疾病所致,恶性疾病常见,一般为肿瘤侵犯或食管癌、贲门癌、肺癌等手术或放化疗后所引起的并发症,良性疾病有食管憩室、食管灼伤、异物穿透、食管溃疡、气管异物等,其诊断方法较多如胃镜、支气管镜、向胸腔引流管内注入亚甲蓝观察痰液变化等,作者借鉴泛影葡胺可血管造影及腹部CT检查时口服泛影葡胺形成对比的经验,将其 Esophageal fistula, including esophageal tracheal fistula, esophageal mediastinal fistula, esophageal thoracic fistula, often caused by malignant and benign diseases, malignant diseases common, usually tumor invasion or esophageal cancer, cardia cancer, lung cancer surgery or radiotherapy and chemotherapy caused by complications The diagnosis of benign diseases are esophageal diverticula, esophageal burns, foreign body penetration, esophageal ulcer, tracheal foreign body, the diagnosis of more such as endoscopy, bronchoscopy, chest tube drainage tube injection of methylene blue to observe changes in sputum, etc., Diatrizoate angiography and abdominal CT examination of oral meglumine diacetate formation contrast, its