[Supernumerary testis. Communication of a case and review of the literature]. / Testículo supernumerario. Comunicación de un caso y revisión de la literatura.

Polyorchidism is a rare anomaly. Only 72 cases have been reported in the literature. Our case, demonstrated histologically, comprises the 73rd. The results yielded by deferentography and ex situ simultaneous arteriography are presented. The embryological, clinical, pathological and therapeutic aspects reported elsewhere are discussed.