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Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Malformation - Complex | 5N1 Malformation (Case 5) S100 10X 2
5N1,2 S100 immunoreactivity is typically found in developing glial elements in the immature cortex, chiefly astrocytes in this case. Notice that the glia protrude into the leptomeninges as part of a leptomeningeal glioneuronal heterotopia. (S100 IHC)
