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AJNR - American Journal of Neuroradiology

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Diagnostic and Prognostic Value of Early MR Imaging Vessel Signs in Hyperacute Stroke Patients Imaged <3 Hours and Treated with Recombinant Tissue Plasminogen Activator

Peter D. Schellinger^a,b, Julio A. Chalela^a, Dong-Wha Kang^c, Lawrence L. Latour^a and Steven Warach^a

^a National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD
^b Department of Neurology, University of Heidelberg, Heidelberg, Germany
^c Department of Neurology, University of Ulsan, Asan Medical Center, Seoul, South Korea

View larger version (53K): [in a new window]   FIG 1. An 82-year-old female patient with cardioembolic stroke, baseline NIHSSS of 18 received rt-PA 88 minutes after symptom onset. Stroke MR imaging at 40 minutes after symptom onset. MRA (upper left) shows left-sided ICA occlusion extending into the MCA (arrows). This occlusion is seen on GRE (upper right, arrows) as a GRE SVS only at the level of the MCA, a FLAIR HVS can be seen at the level of the ICA and MCA (lower row, arrows).