title: Retroperitoneal xanthogranuloma: case report and review of the literature.
mesh_terms: D002675:Child, Preschool; D004106:Dilatation; D005260:Female; D006099:Granuloma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D006801:Humans; D012187:Retroperitoneal Space; D013997:Time Factors; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging; D014546:Urinary Catheterization; D014567:Urography