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Related Experiment Videos

Penicillamine-induced pemphigus

J Zone, J Ward, E Boyce

    JAMA
    |May 21, 1982
    PubMed
    Summary

    Penicillamine can trigger autoimmune skin conditions like pemphigus. This drug-induced pemphigus may present with a seborrhea-like rash, complicating diagnosis and requiring early recognition due to potential severity.

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    Area of Science:

    • Dermatology
    • Autoimmunology
    • Pharmacology

    Background:

    • Penicillamine therapy is linked to various autoimmune disorders.
    • Manifestations can include pemphigus vulgaris and pemphigus foliaceus.
    • Early signs like scaling rash or oral ulcers may indicate incipient pemphigus.

    Purpose of the Study:

    • To describe cases of penicillamine-induced pemphigus.
    • To highlight the diagnostic challenges posed by a seborrhea-like presentation.
    • To report HLA-B15 prevalence in affected patients.

    Main Methods:

    • Case series of four patients with drug-induced pemphigus.
    • Clinical observation of eruption characteristics.
    • HLA typing for available patients.

    Main Results:

    • Four cases of pemphigus induced by penicillamine therapy were identified.
    • The eruption exhibited "seborrhea-like" features, potentially masking the diagnosis.
    • HLA-B15 was present in 71% of patients with available HLA data.

    Conclusions:

    • Penicillamine can induce pemphigus, sometimes with atypical "seborrhea-like" features.
    • Early diagnosis is crucial due to the potentially fatal nature of pemphigus.
    • The precise mechanism of penicillamine-induced autoimmunity requires further investigation.

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