[Dodatkowa tętnica nerkowa przyczyną skrajnego wodonercza u 5-letniego chłopca].

Hydronephrosis in children is most often due to an intrinsic ureteropelvic junction obstruction or by compression on ureter by accessory renal artery coming from the aorta to the lower pole of the kidney.The aim of study was to present a case with a late onset of hydronephrosis caused by accessory renal artery.5-year old boy with a mild pyelectasia during first 10 months of age was admitted to hospital because of abdominal pain and vomiting....