2025-11-272025-11-27http://hdl.handle.net/2263/106940Clinical history : A 35 year old white female patient with end stage renal failure due to analgesic nephropathy.The patient had cystectomy for bladder carcinoma two months previously.Ligation of the ureter resulted in pyonephrosis.Diagnosis: Analgesic nephropathy and pyonephrosis