Congenital anterior urethral diverticulum.
D002675:Child, Preschool; D003937:Diagnosis, Differential; D004240:Diverticulum / Q000151:congenital* / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D008297:Male; D011859:Radiography; D014521:Urethra / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery