Diffusion-weightedimaging(DWI)isanintegralpartofroutineneuroimaging,usednearlyuniversallyinbrainMRIs,andmorerecentlyforthespine,spinalcord,andheadandneck.DWIprovidesclinicallyrelevantinformationonconditionsincludingstroke,infection,andneoplasms.Diffusiontenso