Vascular obstruction of the superior renal infundibulum in children.
D000293:Adolescent; D002648:Child; D006801:Humans; D007668:Kidney / Q000098:blood supply*; D007674:Kidney Diseases / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D008297:Male; D011866:Radioisotope Renography; D011877:Radionuclide Imaging; D014567:Urography