Materials and Methods:45 cases with malignant biliary obstruction were investigated, of these, 8 underwent PBD, 29 patients BSE, and remain 8 underwent both PBD and BSE.

• 材料与方法：本组45例恶性梗阻性黄疸患者，8例行单纯经皮胆管引流术，29例行胆管支架置入术，8例同时做了经皮胆管引流和支架置入。