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Abstract #4418

Arterial Spin Label Imaging of Transient Ischemic Attack

Greg Zaharchuk1, Jean-Marc Olivot2, Roland Bammer1, Ajit Shankaranarayanan3, Michael Mlynash2, Gregory W. Albers2, Michael E. Moseley1

1Department of Radiology, Stanford University, Stanford, CA, United States; 2Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, United States; 3Applied Sciences Laboratory - West, GE Healthcare, Menlo Park, CA, United States

ASL can detect subtle alterations in CBF and arterial arrival times. ASL abnormalities (including the borderzone sign) can be detected in the majority of acute hemispheric TIA patients and may therefore be able to provide objective evidence of a true vascular event.