2017 Imaging for Physicists Coursebook

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Le Bihan et al., Radiology, 1988
Fast diffusing component;
@ b-values < ~150 s/mm2
‘Perfusion’
Slow diffusing component;
@ b-values > ~150 s/mm2
‘Diffusion’
The effect of b-values on DWI:
perfusion at low b-vals