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Change in DTI measures between gadolinium-enhancing lesions that evolved into T1 holes by 12 months and gadolinium-enhancing lesions that did not evolve into T1 black holes by 12 months. A, FA. B, λ∥. C, λ⊥. No-black-hole-versus-black-hole comparison refers to comparison slopes. FA is unitless (10−3); axial and radial diffusivities are 10−6 mm2/s.
