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.