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Related Experiment Videos

Demodex granuloma.

R I Ecker, R K Winkelmann

    Archives of Dermatology
    |March 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    A punch biopsy revealed Demodex folliculorum mites as a potential cause of a woman's progressive facial rash. This finding is considered uncommon in facial lesions, suggesting a rare presentation of demodicosis.

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    Area of Science:

    • Dermatology
    • Microbiology
    • Pathology

    Background:

    • Facial rashes can have diverse etiologies.
    • Demodex folliculorum mites are common inhabitants of human skin.
    • Diagnosis of skin conditions often requires histopathological examination.

    Observation:

    • A punch biopsy was performed to investigate a progressive pustular facial rash in a middle-aged woman.
    • The biopsy specimen revealed the presence of an intact extrafollicular Demodex folliculorum.

    Findings:

    • The presence of Demodex folliculorum in an extrafollicular location may represent the causative agent of the patient's facial rash.
    • A review of 30 cases of granulomatous facial lesions from the Mayo Clinic indicated that this specific finding is uncommon.

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    Implications:

    • This case highlights a potential, albeit uncommon, association between extrafollicular Demodex folliculorum and facial pustular eruptions.
    • Further research may be warranted to understand the pathogenesis and diagnostic significance of Demodex in such presentations.
    • Clinicians should consider demodicosis in the differential diagnosis of unexplained facial rashes, even in unusual presentations.