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Related Experiment Videos

Primary eruption of prurigo simplex subacuta

M Uehara, S Ofuji

    Dermatologica
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Prurigo simplex subacuta begins as a papule, not a vesicle. Histological analysis reveals changes around hair follicles, including spongiosis and cell migration.

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    Area of Science:

    • Dermatology
    • Pathology
    • Histology

    Background:

    • Prurigo simplex subacuta is a common skin condition.
    • The initial lesion's morphology and histological origin require clarification.

    Purpose of the Study:

    • To investigate the primary eruption of prurigo simplex subacuta.
    • To determine the initial histological changes and their location.

    Main Methods:

    • Examination of 28 patients with prurigo simplex subacuta.
    • Serial sectioning of 46 biopsy specimens from initial lesions.
    • Histopathological analysis of follicular and perifollicular tissues.

    Main Results:

    • The initial lesion was consistently a papule, without any visible vesicles.

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  • Histological examination revealed spongiosis and mononuclear cell migration within the follicular epidermis.
  • Perifollicular infiltrates of mononuclear cells were observed.

    • Conclusions:

    • The primary eruption of prurigo simplex subacuta originates from hair follicles.
    • Histological findings support a follicular pathogenesis involving spongiosis and inflammation.