Bogdan G Mitrea1, Ralf B Loeffler1, Ruitian Song1, and Claudia M Hillenbrand1
For longitudinal investigations reproducibility and
accuracy of ASL measurements are of essence. The purpose of this study is
to investigate how magnet design and labeling position within the magnet
impact CBF quantification. Our results indicate that
CBF values are not always reproducible in our ultra-short wide bore scanner. Great
variability may be introduced by the actual position of the labeling slice with
respect to the magnet isocenter. The exact cause of this difference requires
further investigation. However, positioning the labeling slice in isocenter
provided a simple solution to overcome this issue and to measure reproducible
CBF values.
