title: Xanthogranulomatous pyelonephritis in a child.
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007670:Kidney Calices / Q000473:pathology; D008297:Male; D011705:Pyelonephritis, Xanthogranulomatous / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology; D014463:Ultrasonography; D014567:Urography