Ultrasound-guided Percutaneous Nephrostomy as an Initial Treatment for Malignant Ureteral Obstruction

Objective To explore the value of percutaneous nephrostomy as an initial treatment for malignant ureteral obstruction caused by pelvic tumor,pelvic metastatic tumor a by ultrasound guidance.Methods 21 cases with malignant ureteral obstruction were subject to Ultrasound-guided percutaneous nephrostomy.Results 21 cases were accomplished one time,no serious complications,21 cases were drained smoothly,urinary volume increased significantly,renal function improved with creatinine recovered in 2 to 5 days and nephrohydrops relieved.Conclusions Ultrasound-guided percutaneous nephrostomy is a simple and useful initial method for acute obstructive nephropathy,can be regarded as a treatment method for malignant cases,who loss chance of the operation.