"Benign" and "normal appearing": it's in the eye of the beholder.
Barkhof
Frederik
F
D001921:Brain / Q000473:pathology; D056324:Diffusion Tensor Imaging; D018450:Disease Progression; D006801:Humans; D009103:Multiple Sclerosis / Q000473:pathology*; D013116:Spinal Cord / Q000473:pathology