title: Urinary tact obstruction. Current methods of evaluation.
mesh_terms: D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging*; D014463:Ultrasonography; D014513:Ureter / Q000000981:diagnostic imaging; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging*; D014545:Urinary Calculi / Q000000981:diagnostic imaging*; D014567:Urography; D014570:Urologic Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging*