title: Polyarteritis nodosa as a cause of perirenal and retroperitoneal hemorrhage.
mesh_terms: D000783:Aneurysm / Q000000981:diagnostic imaging / Q000209:etiology*; D000792:Angiography; D005260:Female; D006465:Hemoperitoneum / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D007674:Kidney Diseases / Q000150:complications* / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010488:Polyarteritis Nodosa / Q000150:complications* / Q000000981:diagnostic imaging; D012077:Renal Artery / Q000000981:diagnostic imaging; D012187:Retroperitoneal Space