title: Suggested terminology for duplex systems, ectopic ureters and ureteroceles.
abstract: Recommendations are made for the standardization of nomenclature describing duplex systems, ectopic ureters and ureteroceles. The elimination of some terms and redefinition of others are proposed in the hope to eliminate the ambiguity and confusion that exist currently.
mesh_terms: D006801:Humans; D007668:Kidney / Q000002:abnormalities*; D009626:Terminology as Topic; D014513:Ureter / Q000002:abnormalities*; D014518:Ureterocele