Systematic characterization of the computed tomography angiography spot sign in primary intracerebral hemorrhage identifies patients at highest risk for hematoma expansion: the spot sign score.

@article{Almandoz2009SystematicCO,
  title={Systematic characterization of the computed tomography angiography spot sign in primary intracerebral hemorrhage identifies patients at highest risk for hematoma expansion: the spot sign score.},
  author={Josser E Delgado Almandoz and A J Yoo and Michael J. Stone and P. W. Schaefer and Joshua Goldstein and Jonathan Rosand and Alexandra Oleinik and Michael H. Lev and R. Gilberto Gonzalez and J M Romero},
  journal={Stroke},
  year={2009},
  volume={40 9},
  pages={
          2994-3000
        }
}
BACKGROUND AND PURPOSE The presence of active contrast extravasation (the spot sign) on computed tomography (CT) angiography has been recognized as a predictor of hematoma expansion in patients with intracerebral hemorrhage. We aim to systematically characterize the spot sign to identify features that are most predictive of hematoma expansion and construct a spot sign scoring system. METHODS We retrospectively reviewed CT angiograms performed in all patients who presented to our emergency… CONTINUE READING

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