abdominal aortic aneurysm
focal widening > 3 cm
- > 60 years; M:F = 5:1
- infrarenal (90%)
- extension into iliac arteries (66%)
- plain film: mural calcifications (90%)
- CT: perianeurysmal fibrosis (10%), may cause ureteral obstruction
- US: 98% accuracy in size measurement
- Angio: mural thrombus (80%)
complications:
- rupture (25%): into retroperitoneum (usually left), GI tract, IVC
- peripheral embolization
- infection
- spontaneous occlusion of aorta
see: aortic aneurysm
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© 2002, C.E. Kahn, Jr.
2002-04-18