Diffusion-weightedImagingoftheBreast:PrinciplesandClinicalApplications,何杰2013年12月25日,乳腺弥散加权成像:原理和临床应用,Diffusion-weightedimagingisamodalitythatmakesuseofmagneticresonance(MR)imagingtodepictthediffusivityofwatermoleculesinadefinedvoxelbymeansoftheapplicationofmotion-probinggradients.ThisimagingpropertyisuniqueandprovidesadifferentcontrastmechanismthanthatobservedonconventionalT1-andT2-weightedMRimages.Evaluationofbreastimagesacquiredwithsensitizationtothediffusionofwatermoleculeshasthepotentialtop