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Graphical illustrations of TB granulomas based upon key cellular elements in their categorizations, based upon literature. (A) Primary granuloma. (B) Secondary granuloma. (C) Type 1 granuloma. (D) Type II granuloma. (E) Type III granuloma. (F) Early granuloma. (G) Non-necrotizing granuloma. (H) Necrotizing gummatous granuloma. (I) Necrotizing abscess granuloma.
