High-attenuating crescent in abdominal aortic aneurysm wall at CT: a sign of acute or impending rupture.

@article{Mehard1994HighattenuatingCI,
  title={High-attenuating crescent in abdominal aortic aneurysm wall at CT: a sign of acute or impending rupture.},
  author={W. B. Mehard and Jay P. Heiken and Gregorio A. Sicard},
  journal={Radiology},
  year={1994},
  volume={192 2},
  pages={359-62}
}
PURPOSE To determine whether a peripheral high-attenuating crescent in an abdominal aortic aneurysm (AAA) on unenhanced computed tomographic (CT) scans is a sign of impending or active aneurysm rupture. MATERIALS AND METHODS CT scans were reviewed of 149 consecutive patients operated on because of AAA who had undergone preoperative unenhanced CT scanning. The presence of a peripheral high-attenuating crescent on CT scans was correlated with surgical findings of aneurysm complication. Aneurysm… CONTINUE READING

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