恶性梗阻性黄疸在发现时常已晚期而不能作外科根治术,而姑息性外科旁路分流手术的术后并发症及死亡率又相当高。采用介入放射学技术,经皮金属内支架内引流,不仅能缓解黄疸,改善由于梗阻性黄疸引起的各种症状,改善肝功能,且具有提高患者的生存质量,为进一步治疗创造条件的功能[1 Malignant obstructive jaundice is often late in surgery and can not be surgically removed, whereas postoperative complications and mortality in palliative surgery bypass bypass surgery are quite high. The use of interventional radiology techniques, percutaneous metal stent drainage, not only can ease jaundice, improve the symptoms caused by obstructive jaundice and improve liver function, and improve the quality of life of patients, to create conditions for further treatment function [ 1