Total mismatch: negative diffusion-weighted imaging but extensive perfusion defect in acute stroke.

Abstract

BACKGROUND AND PURPOSE The perfusion-weighted imaging (PWI)/diffusion-weighted imaging (DWI) mismatch may identify patients who benefit from thrombolysis. However, some patients exhibit a "total mismatch," ie, negative DWI but extensive PWI defect. We aimed to assess clinical and MRI data of these patients. METHODS From June 2007 to December 2008… (More)
DOI: 10.1161/STROKEAHA.109.563064

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