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Related Experiment Videos

Two sisters with impetigo herpetiformis.

J Tada, S Fukushiro, Y Fujiwara

    Clinical and Experimental Dermatology
    |January 1, 1989
    PubMed
    Summary

    Impetigo herpetiformis, a pregnancy-triggered skin condition, may be a variant of pustular psoriasis. Treatment with etretinate showed good results in one patient, suggesting potential therapeutic options for this rare disorder.

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    Area of Science:

    • Dermatology
    • Genetics
    • Obstetrics

    Background:

    • Impetigo herpetiformis is a rare, severe dermatosis characterized by pustules and erythema.
    • It is often associated with pregnancy and may be a variant of pustular psoriasis.
    • Genetic predisposition, indicated by shared Human Leukocyte Antigen (HLA) antigens, is suspected.

    Observation:

    • Two non-twin sisters experienced impetigo herpetiformis during their first pregnancies.
    • One sister received etretinate for treatment, leading to significant improvement in her skin condition.
    • Both sisters shared specific HLA antigens: A11, AW24, BW44, BW54, and DR6Y.

    Findings:

    • Pregnancy can act as a trigger for impetigo herpetiformis.
    • Etretinate demonstrated efficacy in resolving impetigo herpetiformis symptoms.

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  • Shared HLA antigens suggest a genetic component in susceptibility to impetigo herpetiformis.

    • Implications:

    • Impetigo herpetiformis might be a distinct manifestation of pustular psoriasis, influenced by hormonal changes.
    • Identifying shared HLA antigens could aid in predicting individuals at higher risk.
    • Etretinate represents a viable treatment option for impetigo herpetiformis, warranting further clinical investigation.