Abbreviation	Definition
ADC	Apparent diffusion coefficient
D	True diffusion coefficient
D*	Pseudo-diffusion coefficient
f	Perfusion fraction
DKI	Diffusion kurtosis imaging
DTI	Diffusion tensor imaging
FLAIR	Fluid-attenuated inversion recovery
IVIM-DWI	Intravoxel incoherent motion diffusion-weighted imaging
MRI	Magnetic resonance imaging
MS	Multiple sclerosis
NAWM	Normal-appearing white matter
ROI	Region of interest
RR-MS	Relapsing–remitting multiple sclerosis
WM	White matter