Ureteral Stent Versus Percutaneous Nephrostomy in Acutely Obstructed Infected Kidney

"Patients will be randomized into 2 groups:~Group (A): 75 patients with the use of ureteral stent. Group (B): 75 patients with the use of PCN.~How the technique will be applied?~Technique of ureteral stent insertion:~The ureteral stent will be inserted retrograde by using flexible cystoscope.~Technique of PCN insertion:~Percutaneous nephrostomy will be performed in the angiography suite by a urologist with the patient under local anesthesia. All the patients will be given non-nephrotoxic antibiotics pre-operatively."