title: Massive intraabdominal bleeding in polyarteritis nodosa.
mesh_terms: D000311:Adrenal Glands / Q000473:pathology; D000328:Adult; D000783:Aneurysm / Q000209:etiology; D006470:Hemorrhage / Q000209:etiology*; D006801:Humans; D007668:Kidney / Q000098:blood supply; D008297:Male; D010488:Polyarteritis Nodosa / Q000150:complications* / Q000473:pathology; D012187:Retroperitoneal Space; D013154:Spleen / Q000473:pathology