Abstract:Abstract: Objective?To investigate the efficacy on palliative surgical treatment of ureteral obstruction caused by gynecologic malignant tumor.?Methods?A retrospective analysis of the clinical data of 96 patients with ureteral obstruction caused by palliative operation.?Results?The palliative operation was successfully completed in 96 cases, 71 cases (74.0%) successfully double-J stenting by retrograde ureteroscopy, but 25 cases (26.0%) failed to retrograde ureteroscopy and converted to percutaneous nephrostomy. The average serum creatinine of the 32 patients with acute renal failure was (532.3 ± 287.5) μmol/L, and the average level of the post-operation was (109.4 ± 24.3) μmol/L, and the difference was statistically different. Of the 68 follow-up cases, 31 patients (45.6%) are still alive. 19 of the 71 patients (26.8%) who had successful stenting presented with stent failure during the follow-up treatment. The average time from the first stenting to percutaneous nephrostomy was (12.3 ± 7.5) months in 19 patients.?Conclusion?The overall prognosis of the patients with ureteral obstruction caused by gynecological malignant tumor is poor. In the treatment, we should choose the method which can not only guarantee the urinary tract patency but also take into account the patient’s quality of life. The first choice of palliative operation was retrograde ureteral double-J stenting.