CHORUS

Collaborative Hypertext of Radiology

Cardiovascular system

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aortic aneurysm

1. atherosclerosis (80%): descending aorta
2. post-traumatic (15%)
3. congenital (2%): post coarctation, ductus diverticulum
4. syphilis: ascending aorta and arch
5. mycotic
6. arteritis: Takayasu, giant cell, relapsing polychondritis
7. cystic medial necrosis: Marfan, Ehlers-Danlos, annuloaortic ectasia

Types:

• true: all layers of wall intact
• false: all layers of wall disrupted
• fusiform: circumferential involvement
• saccular: involvement of portion of wall

see:

abdominal aortic aneurysm

thoracic aortic aneurysm

Related CHORUS documents: abdominal aortic aneurysm thoracic aortic aneurysm Marfan syndrome superior vena cava syndrome aortic coarctation aortic dissection: etiology

Copyright © 2013, Charles E. Kahn, Jr.