Localized clotted blood as evidence of visceral trauma on CT: the sentinel clot sign.

@article{Orwig1989LocalizedCB,
  title={Localized clotted blood as evidence of visceral trauma on CT: the sentinel clot sign.},
  author={D S Orwig and Michael P Federle},
  journal={AJR. American journal of roentgenology},
  year={1989},
  volume={153 4},
  pages={747-9}
}
We retrospectively reviewed the CT scans of 116 patients with abdominal trauma who had visceral injuries to determine if identification on CT of focal high-density clotted blood (a "sentinel clot") was an accurate sign of injury to an adjacent organ. The sentinel clot sign was sensitive, present in 101 (84%) of 120 visceral injuries with only three false-positive cases. Whereas CT visualized the visceral injury itself in 86% of cases, the sentinel clot was the only clue as to the source of… CONTINUE READING
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