Hypertension as an atypical presentation of unilateral ureteral obstruction

Ureteral obstruction (ureteropelvic or ureterovesical junction obstruction) is frequently diagnosed during the workup investigation of an asymptomatic infant child with upper urinary tract dilatation, commonly identified in a prenatal ultrasound. In older children, recurrent lumbar pain red flag for ureteral obstruction. Although less frequent, hypertension may be initial and only manifestation The authors present two pediatric cases unilateral hypertension, which surgical treatment leads to blood pressure normalisation. all age groups, systematic secondary causes hyperten‑ sion paramount importance. some cases, especially those obstructive nature, early management can curative, normalization levels prevention renal injury.