juvenile xanthogranuloma


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  • Clinical

    • pediatric
    • site: skin, soft tissue, disseminated
    • associations: NF1

  • Morphology

    • foamy cells
    • touton giant cells

  • Stains

    • pos: CD68, CD163, CD14, vimentin, fascin
    • var: factor XIIIa+/-, S100-/+
    • neg: CD1a, langerin
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