Congenital ureteroceles: an indication for screening?

In the pediatric population, ureteroceles may present with different clinical pictures, including obstruction and lithiasis. We report two pairs of twins; one of each set had ureteroceles, and the other a related urinary tract malformation (ureterocele, polycystic kidney disease). These cases raise the question of whether the siblings of children with ureteroceles should be screened for urogenital abnormalities