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Evaluation of CT perfusion in the setting of cerebral ischemia: patterns and pitfalls. 2010
Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 East 210th St., Bronx, NY 10467, USA. ylui@montefiore.org
CTP has a growing role in evaluating stroke. It can be performed immediately following NCCT and has advantages of accessibility and speed. Differentiation of salvageable ischemic penumbra from unsalvageable core infarct may help identify patients most likely to benefit from thrombectomy or thrombolysis. Still, CTP interpretation can be complex. We review normal and ischemic perfusion patterns followed by an illustrative series of technical/diagnostic challenges of CTP interpretation in the setting of acute stroke syndromes.
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