title: Ultrasonically guided antegrade pyelography of an obstructed solitary pelvic kidney.
mesh_terms: D002648:Child; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging*; D007668:Kidney / Q000002:abnormalities* / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D014463:Ultrasonography