Conclusion Percutaneous nephrostomy and anterograde metallic stating are available, less invasive, safe, acceptable treatment in patients with malignant ureteral obstruction.

• 结论对恶性输尿管狭窄的患者行顺行植入输尿管金属内支架治疗输尿管狭窄，是一种简便、有效、创伤小的治疗方法。