title: Duplication of the renal pelvis and blind-ending bifid ureter in twins.
abstract: Blind-ending bifid ureter in a woman with urinary tract infection and a duplicated renal pelvis in her twin sister are reported. The blind-ending bifid ureter terminated as a fibrous cord with a terminal mass of immature renal tissue. This type of ureter may be a transitional form between histologically blind-ending bifid ureter and duplication of the renal pelvis and/or kidneys. Findings in twins support this opinion.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007682:Kidney Pelvis / Q000002:abnormalities*; D011247:Pregnancy; D014427:Twins; D014513:Ureter / Q000002:abnormalities* / Q000473:pathology; D014552:Urinary Tract Infections / Q000473:pathology*