Leprosy: dermal nerve

  • SB Lucas
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Leprosy: dermal nerve. SB Lucas. CC0 1.0 Universal. Source: Wellcome Collection.

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Borderline tuberculoid (BT) leprosy: dermal nerve This is a medium power view of a dermal nerve from a patient with BT. It shows granulomas (pale zones) separating the nerve fibres and Schwann cells (brown). This indicates intraneural granulomas. Immunostain for S100 (which stains Schwann cells brown). These intraneural granulomas are specific for leprosy.

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