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Related Experiment Videos

Cutaneous hyperpigmentation induced by amiodarone hydrochloride.

A Alinovi, C Reverberi, M Melissari

    Journal of the American Academy of Dermatology
    |March 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

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    Long-term amiodarone use can cause blue-gray skin hyperpigmentation, particularly on sun-exposed areas. This rare side effect results from lipofuscin deposits, not melanin, linked to the drug

    Area of Science:

    • Dermatology
    • Pharmacology

    Background:

    • Amiodarone (Cordarone) is a widely prescribed iodinated antiarrhythmic drug.
    • Long-term administration is common for managing cardiac arrhythmias.

    Observation:

    • A case of persistent blue-gray skin pigmentation is reported.
    • The hyperpigmentation affected light-exposed areas of the skin.

    Findings:

    • The cutaneous condition is an iatrogenic hyperpigmentation.
    • Ultrastructural analysis revealed lipofuscin, not melanin, deposits.
    • Pathogenesis involves amiodarone's lysosomal effects and phototoxicity.

    Implications:

    • Highlights a rare, visually distinct side effect of amiodarone.
    • Suggests a mechanism involving lysosomal dysfunction and photosensitivity.

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  • Informs clinicians about potential dermatologic manifestations of amiodarone therapy.