文摘
In multiple sclerosis (MS), using simultaneous magnetic resonance–positron emission tomography (MR-PET) imaging with <sup>11sup>C-PBR28, we quantified expression of the 18kDa translocator protein (TSPO), a marker of activated microglia/macrophages, in cortex, cortical lesions, deep gray matter (GM), white matter (WM) lesions, and normal-appearing WM (NAWM) to investigate the in vivo pathological and clinical relevance of neuroinflammation.