Cystic dysplasia in ectopic kidney associated with absent vas deferens and congenital inguinal hernia.

We report a case of congenital cystic dysplasia of a kidney associated with an absent vas deferens and congenital inguinal hernia on the same side. The findings are explained in embryologic terms. Congenital abnormalities of the kidney are often associated with other abnormalities of the urogenital system and should be looked for when managing children with this condition.