title: Ureterocele--a familial congenital anomaly.
abstract: Nonidentical twins with ectopic ureteroceles, and duplication of the urinary collecting system in two more members of the same family are described. This incidence may indicate that inborn anomalies of the urinary tract may have a genetic background.
mesh_terms: D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010375:Pedigree; D011247:Pregnancy; D014429:Twins, Dizygotic; D014518:Ureterocele / Q000151:congenital / Q000235:genetics*