Pancake polycystic kidney: case report.

Pancake kidney is a very rare fusion abnormality, characterised by the presence of a renal parenchymal mass located in pelvic site, generally with two pelvies and two ureters and without an intervening fibrous septum. The case here reported describes a condition of "pancake kidney", eventually associated with polycystic disease and abnormous vascular supply. Hypertension and microscopic hematuria were the only clinical signs.