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Washington University Experience | MYELIN (IMMUNE-MEDIATED) | MS - Brainstem & Cerebellum | 19B3 MS (Case 19) N6 pons H&E 20X
Higher magnification of the inactive plaque (arrow, 19A1) show spared neurons within the plaque and astrocytosis. Notice that reactive astrocytes may appear atypical in these lesions in which neither neoplasia nor PML is present (H&E)
