[Seminal vesicle cyst and ipsilateral renal dysplasia - a form of combined abnormality of the urinary and genital tracts].

Even though more than 50 cases of seminal vesicle cysts combined with ipsilateral renal agenesis or dysplasia have been described during the 20th century, such associated malformations of the upper urinary and genital tracts still deserve our attention on the one hand, as illustrations of embryological deviation and, on the other hand, because of the very difficult diagnosis. The typical symptoms and differential diagnosis of these conditions are described and illustrated by two of our own cases. The various therapeutic possibilities are presented.