Familial form of ureterocele with double ureter: two sisters and their father.

Double ureter is a frequent congenital malformation and the presend of a ur eterocele on the ureter draining the superior renal pelvis is a not excepti onal association. The abnormality is usually diagnosed in children by intra venous urography or ultrasound Ir is extremely rare to find such, a lesion in different members of the same family, as only a few cases have been publ ished in the literature. Our case is original in that three members of the family presented the abnormality and it was the father who was affected rat her than the mother as in the cases reported in the other two publications.