title: Rupture of an aortic dissection into the pericardium.
abstract: This case report illustrates the angiographic demonstration of a hemopericardium in aortic dissection. A dense collection of contrast and/or a "halo" sign may be seen in the pericardial cavity.
mesh_terms: D000368:Aged; D000784:Aortic Dissection / Q000150:complications* / Q000000981:diagnostic imaging; D001019:Aortic Rupture / Q000150:complications* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D010490:Pericardial Effusion / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography