Acute renal insufficiency and underlying pyeloureteral junction syndrome in a single kidney.

Acute renal insufficiency in the course of pyelo-ureteral junction (PUJ) sy ndrome in a single kidney is a rare occurrence. The authors report on an un common case of a 66-year old woman who underwent a right nephrectomy for py elonephritic lithiasis, and who was subsequently admitted with acute renal insufficiency and left hydronephrosis determined by ultrasonography, After failure for upper ureteral stent, pyelography carried out via a nephrostomy confirmed left PUJ syndrome, The follow-up was characterised by the worsen ing of renal function. Following hemodialysis, surgical investigation deter mined the presence of a giant hematoma with PUJ stenosis, Anastomotic Ander son-Hynes-type resection was carried out with the insertion of a double J u reteral stent. The follow-up was uneventful, with normalisation of renal fu nction at day 6 post-surgery and removal of the ureteral stent one month la ter. (C) 2000 Editions scientifiques et medicales Elsevier SAS.