title: Urothelial extension of Wilms tumor presenting as a prolapsing urethral mass.
abstract: We report a unique case of Wilms tumor presenting as a urethral mass in a patient with bilateral ureteral duplication. The prolapsing urothelial component was contiguous with the intrarenal Wilms tumor and consisted of fetal skeletal muscle free of blastemal or tubular elements.
authors.affiliation: Department of Urology, Northeastern Ohio Universities College of Medicine, Akron, Ohio, USA.
authors.forename: K
authors.initials: K
authors.lastname: Stanley
authors.forename: K P
authors.initials: KP
authors.lastname: Khoudary
authors.forename: P F
authors.initials: PF
authors.lastname: Nasrallah
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis / Q000473:pathology*; D011391:Prolapse; D014513:Ureter / Q000002:abnormalities*; D014522:Urethral Diseases / Q000209:etiology; D014523:Urethral Neoplasms / Q000150:complications / Q000556:secondary*; D009396:Wilms Tumor / Q000150:complications / Q000175:diagnosis / Q000556:secondary*