title: Radiological case of the month. Retroperitoneal lipoma in a child.
mesh_terms: D001027:Aortography; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008067:Lipoma / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000601:surgery; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000601:surgery; D014567:Urography