Insight into the labeling mechanism of Acceleration selective arterial spin labeling
Sophie Schmid 1 , Esben T. Petersen 2 , Wouter M. Teeuwisse 1 , and Matthias J.P. van Osch 1
C.J. Gorter Center for High Field MRI,
Radiology, Leiden University Medical Center, Leiden,
University Medical Center Utrecht, Utrecht, Netherlands
For AccASL it is unknown where in the vascular tree
label is created. The aim of this study was to get more
insight into the origin of the label mechanism in AccASL
by combining this method with a VS module. Summing the
signal of AccASL and VS-ASL acquired separately was
compared with AccASL and VS-ASL acquired immediately
after each other. The difference in this signal suggests
that the label from AccASL originates from both macro-
and micro-vascular level.
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