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Related Experiment Videos

[Lichen purpuricus]

C Kanitakis, G Tsoïtis

    Annales De Dermatologie Et De Venereologie
    |January 1, 1982
    PubMed
    Summary

    This case report details lichen purpuricus, a rare skin condition. Histopathology revealed a dense dermal infiltrate and hemosiderin, aiding diagnosis when clinical presentation was unclear.

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    Area of Science:

    • Dermatology
    • Histopathology

    Background:

    • Lichen purpuricus is a rare dermatosis with variable clinical presentations.
    • Accurate diagnosis can be challenging based on clinical examination alone.

    Observation:

    • A 19-year-old male presented with a recurrent eruption of asymptomatic, dark-red macules and papules on his left hand.
    • The eruption had resolved spontaneously before reappearing, complicating initial clinical diagnosis.

    Findings:

    • Histopathological examination revealed a dense, band-like infiltrate in the upper dermis.
    • The infiltrate consisted of lymphocytes, histiocytes, and extravasated red blood cells, with hemosiderin granules present.

    Implications:

    • Histopathological findings are crucial for diagnosing lichen purpuricus when clinical features are ambiguous.
    • This case contributes to understanding the clinical and histopathological spectrum of lichen purpuricus.