Abstract #2883

Effect of labeling position on MT effects and Bolus Arrival Time

Marta Vidorreta^1,2, Yulin V Chang², and John A Detre^1,2

¹Neurology, University of Pennsylvania, Philadelphia, PA, United States, ²Radiology, University of Pennsylvania, Philadelphia, PA, United States

The effects of labeling location were assessed in pseudo-continuous ASL by performing kinetic modeling of data acquired at multiple post-labeling delays and by assessing the ratio of mean ASL intensity to M0. Labeling location differences resulted in significant MT effects on raw ASL data, and produced nonlinear effects on bolus arrival time across vascular distributions.

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