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Lymphadenoid structure induced by gold hypersensitivity

K Iwatsuki, H Tagami, T Moriguchi

    Archives of Dermatology
    |August 1, 1982
    PubMed
    Summary
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    Allergic reactions to gold earrings can cause a unique dermal lymphadenoid response. This differs from the eczematous reaction seen with epidermal contact, suggesting distinct immune mechanisms in gold allergy.

    Area of Science:

    • Dermatology
    • Immunology
    • Allergology

    Background:

    • Allergic contact dermatitis is a common immune response.
    • Gold is a frequent contact allergen, often causing eczematous reactions.

    Observation:

    • A 21-year-old woman developed a lymphadenoid reaction with germinal centers in her earlobes due to gold earring allergy.
    • A patch test with gold sodium thiomalate elicited a prolonged eczematous response.

    Findings:

    • Electron microscopy revealed dominant non-T lymphocytes and plasma cells in the dermal lesions.
    • T cells and monocytes infiltrated the epidermis at the patch test site.

    Implications:

    • Continuous dermal exposure to gold in sensitized individuals may induce a distinct lymphadenoid reaction.

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  • This suggests different immune pathways are activated by dermal versus epidermal gold exposure.
  • Understanding these distinct reactions is crucial for diagnosing and managing gold allergy.