brain damage

More Microscopic Brain Damage Seen in SPMS Than in RRMS

People with secondary progressive multiple sclerosis (SPMS) have more microscopic damage in normal-appearing brain tissue than do patients with relapsing-remitting multiple sclerosis (RRMS), according to a new imaging study. These patients also have a greater number of chronic active lesions than those with RRMS. “Using advanced diffusion MRI…