title: Urinary obstruction.
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging; D007223:Infant; D008297:Male; D011859:Radiography; D014463:Ultrasonography; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging; D014518:Ureterocele / Q000000981:diagnostic imaging; D014524:Urethral Obstruction / Q000000981:diagnostic imaging; D001748:Urinary Bladder Neck Obstruction / Q000000981:diagnostic imaging; D014563:Urodynamics; D014570:Urologic Diseases / Q000000981:diagnostic imaging* / Q000503:physiopathology