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Washington University Experience | MYELIN (IMMUNE-MEDIATED) | MS - Shadow Plaque | 1B Multiple Sclerosis, Shadow plaque (Case 1) A3 4 (best) B copy A
A whole mount of the pons, in this case stained for myelin, shows several types of plaques. There are two shadow plaques (arrows) and a single pale chronic inactive, completely demyelinated plaque (arrowhead) (LFB-PAS)