A rare case of ureteropelvic junction obstruction by an aberrant renal vessels

Ureteropelvic junction obstruction results in functionally significant impairment of urinary transport from the renal pelvis to ureter, that may because of intrinsic or extrinsic causes. Abberent renal vessels is the most common cause of pelviureteric junction obstruction in children. Aberrant renal vessels one of the most important cause of ureteropelvic junction obstruction present in about 20-40% of individuals.