Polyarteritis nodosa causing severe intestinal bleeding.
Rupture of an aneurysm of the mesentergic artery caused severe intestinal hemorrhage in a 50-year-old woman with polyarteritis nodosa. Abdominal angiography not only established diagnosis of polyarteritis nodosa by demonstrating multiple visceral aneurysms but also localized the site of bleeding.
D000783:Aneurysm / Q000000981:diagnostic imaging / Q000209:etiology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008638:Mesenteric Arteries; D008875:Middle Aged; D010488:Polyarteritis Nodosa / Q000150:complications*; D011859:Radiography; D012422:Rupture, Spontaneous / Q000209:etiology