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Washington University Experience | INFECTION | Bacteria | Abscess | Abscess, Subacute - Chronic | 3C4 Abscess (Case 3) GFAP 4X

3C4-6 immunohistochemistry demonstrates a strong band of reactive astrocytes external to the pus (which has significant non-specific immunoreactivity), a thin layer internal to and thick layer external to the developing capsule (GFAP IHC).

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