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Cardiovascular system

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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

Yong H. Hahn, MD  -  2 February 1995
Last updated:  1 October 2013


 

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

 

Copyright © 2013, Charles E. Kahn, Jr.