Posterior urethral valves.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000401:mortality / Q000601:surgery; D003404:Creatinine / Q000652:urine; D003558:Cystoscopy; D005500:Follow-Up Studies; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging / Q000209:etiology; D007223:Infant; D007231:Infant, Newborn; D007668:Kidney / Q000503:physiopathology; D008297:Male; D011379:Prognosis; D011859:Radiography; D012189:Retrospective Studies; D013997:Time Factors; D014521:Urethra / Q000002:abnormalities*; D001743:Urinary Bladder / Q000000981:diagnostic imaging / Q000601:surgery; D014549:Urinary Incontinence / Q000209:etiology
D003404:Creatinine