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Necrobiotic pernio.

J P Scurry, P S Cowen

    The Australasian Journal of Dermatology
    |January 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Pernio, an inflammatory condition affecting the ears, can present with necrobiosis, a tissue death not previously reported in this condition. This case suggests a vascular origin for necrobiosis in pernio.

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    Area of Science:

    • Dermatology
    • Pathology
    • Rheumatology

    Background:

    • Pernio (chilblains) is an inflammatory condition affecting the skin, typically triggered by cold exposure.
    • It commonly presents as erythematous, tender nodules or plaques, particularly on extremities.
    • The underlying pathology involves vascular changes and inflammation.

    Observation:

    • A 21-year-old male presented with ear pain and burning, exacerbated by cold.
    • Physical examination revealed tender, erythematous nodules on both ear helices.
    • Biopsies confirmed the characteristic vascular and inflammatory changes of pernio.

    Findings:

    • Histopathological examination revealed necrobiotic changes in the collagen of the left ear.
    • These necrobiotic foci were surrounded by palisaded histiocytes.

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  • Necrobiosis represents a novel finding in the context of pernio.

    • Implications:

    • The presence of necrobiosis in pernio suggests a potential vascular etiology for this tissue degeneration.
    • This finding expands the known histopathological spectrum of pernio.
    • Further research may elucidate the precise mechanisms linking vascular compromise to necrobiosis in pernio.