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Related Experiment Videos

[Kogöj's spongiform pustule; ultrastructural results].

D Colomb, J P La Batie

    Annales De Dermatologie Et De Venereologie
    |November 1, 1977
    PubMed
    Summary

    Electron microscopy reveals polymorphonuclear neutrophils are located in intercellular spaces, not epidermal cells, within Kogöj's pustule. This finding challenges classical ideas on pustule formation and keratinocyte interactions.

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    [Development of dermatomycoses and their causative agents in the Lyons area. From an analysis of 6000 samples on Sabouraud's medium done over a 20-year period at a dermatology department].

    Annales de dermatologie et de venereologie·1987

    Area of Science:

    • Dermatopathology
    • Cell Biology
    • Electron Microscopy

    Background:

    • Kogöj's pustule is a dermatological condition with classical descriptions of cellular involvement.
    • Understanding the precise location of immune cells and keratinocytes is crucial for elucidating disease pathogenesis.

    Observation:

    • Electron microscopy was employed to visualize the microanatomy of Kogöj's pustule.
    • The study focused on the spatial relationship between polymorphonuclear neutrophils and keratinocytes.

    Findings:

    • Polymorphonuclear neutrophils were predominantly observed within the intercellular spaces of the epidermis, not within keratinocytes.
    • Lesions in keratinocytes and the composition of intercellular spaces were analyzed.
    • Histogenesis of the pustule was investigated in light of these cellular localizations.

    Implications:

    • The findings necessitate a revision of the classical understanding of Kogöj's pustule development.
    • This research provides new insights into inflammatory processes within the epidermis.
    • Further studies can explore therapeutic strategies targeting intercellular spaces in similar dermatoses.

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