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A Comparison of Fast Spin-Echo, Fluid-Attenuated Inversion-Recovery, and Diffusion-Weighted MR Imaging in the First 10 Days after Cerebral Infarction AJNR 20:1535-1542, Ricci,P.E.,et al, 1999 See this aricle in Pubmed Article Abstract We present two cases of hyperacute ischemic stroke that were initially missed by diffusion-weighted imaging: abnormalities in locations corresponding to focal neurologic deficits were discovered by MR angiography and perfusion-weighted imag ing. Within hours, follow-up diffusion-weighted scans revealed partial conversion of the hypoperfused regions to complete stroke. These cases illustrate the potential for a nonresolving stroke-in-evolution to go undetected by diffusion-weighted imaging at hyperacute timepoints.

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(click to filter results - removes previous filter) cerebral infarction cerebrovascular accident MRI MRI,abnormal MRI,cerebrovascular disease MRI,diffusion weighted MRI,false negative MRI,FLAIR

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