title: Case 21-1979--aneurysmal dilatation of the aorta with aortic regurgitation.
mesh_terms: D000328:Adult; D000367:Age Factors; D001013:Aorta, Thoracic; D001014:Aortic Aneurysm / Q000150:complications*; D001018:Aortic Diseases / Q000150:complications; D001022:Aortic Valve Insufficiency / Q000209:etiology*; D001167:Arteritis / Q000150:complications; D006801:Humans