aortic aneurysm
Etiology:
- atherosclerosis (80%): descending aorta
- post-traumatic (15%)
- congenital (2%): post coarctation, ductus diverticulum
- syphilis: ascending aorta and arch
- mycotic
- arteritis: Takayasu, giant cell,
relapsing polychondritis
- 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
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© 2002, C.E. Kahn, Jr.
2002-04-18