PMC6687845_01
Perivascular and brain parenchymal T-cell infiltration in the midbrain. Immunohistochemistry identified these inflammatory cells as CD3-positive T cells being located mainly perivascularly (arrows) but also invading the brain parenchyma (arrowheads) (immunohistochemistry for CD3).
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F1
Immunohistochemical investigation identified these inflammatory cells as CD3-positive T cells, located perivascularly as well as within the brain parenchyma (Figure 1).