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Related Experiment Videos

Geographic tongue: an SEM study.

A Kullaa-Mikkonen

    Journal of Cutaneous Pathology
    |April 1, 1986
    PubMed
    Summary

    Scanning electron microscopy revealed distinct surface changes in geographic tongue, including atrophic areas lacking papillae and fissures with Candida adherence. These findings offer new insights into the oral mucosa

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    Some local and systemic factors related to tongue inflammation.

    Proceedings of the Finnish Dental Society. Suomen Hammaslaakariseuran toimituksia·1989

    Area of Science:

    • Oral pathology
    • Microscopy
    • Dermatology

    Background:

    • Geographic tongue is a common, benign inflammatory condition affecting the tongue's surface.
    • The exact etiology remains unclear, but surface morphology is crucial for diagnosis.

    Purpose of the Study:

    • To detail the surface ultrastructure of geographic tongue using scanning electron microscopy (SEM).
    • To compare the surface morphology of affected individuals with healthy controls.

    Main Methods:

    • SEM analysis of tongue tissue samples from 15 patients with geographic tongue and 15 controls.
    • Detailed examination of filiform papillae, mucosal surfaces, and cellular structures.

    Main Results:

    • Geographic tongue exhibited three distinct mucosal types: atrophic areas (lacking hairs), white margins (with desquamating cells and inflammation), and normal-appearing areas (increased desquamation).
    • Fissures were observed with damaged superficial cells and adherence of Candida hyphae.
    • Fungiform papillae with taste pores were noted on the geographic tongue specimens.

    Conclusions:

    • SEM provides a detailed understanding of geographic tongue's complex surface alterations.
    • The presence of Candida in fissures suggests a potential role in the condition's pathogenesis.

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