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. 2020 May 12;20:179. doi: 10.1186/s12883-020-01756-7

Fig. 3.

Fig. 3

Pathological study from brain biopsy samples a–d. Pathological findings from brain biopsy samples in the right occipital lobe show severe lymphocytic infiltration with vasculitis (a, hematoxylin and eosin) and activated microglia (b, Iba-1) in the white matter. Most lymphocytes were CD8 T-cells (c, CD8), and CD4 T-cells were scarce (d, CD4). Scale bars = 200 μm