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Related Experiment Videos

[Paraneoplastic lichen ruber pemphigoides].

W Pachinger

    Zeitschrift Fur Hautkrankheiten
    |July 15, 1983
    PubMed
    Summary

    This study details a rare case where Lichen planus variants presented with simultaneous subepidermal and suprabasal vesicles, mimicking Pemphigus vulgaris without autoantibodies. These symptoms were linked to an underlying hemangiopericytoma, suggesting a paraneoplastic autoimmune mechanism.

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    Area of Science:

    • Dermatology
    • Oncology
    • Immunology

    Background:

    • Lichen planus vesiculosus and Lichen planus pemphigoides are heterogeneous vesicular variants of Lichen planus.
    • Previous classifications did not fully account for overlapping clinical presentations.

    Observation:

    • A unique case presented with both subepidermal vesicles within Lichen planus papules and acantholytic suprabasal vesicles in normal skin.
    • The patient exhibited symptoms mimicking Pemphigus vulgaris but lacked detectable pemphigus autoantibodies.

    Findings:

    • The observed skin manifestations were identified as paraneoplastic phenomena.
    • An underlying retroperitoneal hemangiopericytoma was discovered as the causative factor.
    • The pathogenesis is presumed to involve an autoimmune mechanism triggered by the tumor.

    Implications:

    • This case expands the understanding of Lichen planus variants and their potential paraneoplastic associations.
    • Highlights the importance of investigating underlying malignancies in atypical vesicular dermatoses.
    • Suggests a potential autoimmune pathway in paraneoplastic syndromes presenting with vesicular eruptions.

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