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Related Experiment Videos

An apical granuloma with epithelial integument.

P N Nair, E Schmid-Meier

    Oral Surgery, Oral Medicine, and Oral Pathology
    |December 1, 1986
    PubMed
    Summary

    A chronic periapical lesion in a maxillary molar infiltrated a patient's sinus. Microscopic analysis revealed unusual epithelial lining, differing from typical periapical granulomas.

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    Persistent periapical radiolucencies of root-filled human teeth, failed endodontic treatments, and periapical scars.

    Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics·1999

    Area of Science:

    • Oral pathology
    • Maxillofacial radiology

    Background:

    • Chronic periapical lesions, such as apical granulomas, can affect adjacent structures.
    • Understanding the cellular and structural characteristics of these lesions is crucial for diagnosis and treatment.

    Observation:

    • A 64-year-old male presented with a chronic periapical lesion of the first left maxillary molar.
    • The lesion had eroded the bony plate and extended into the maxillary sinus.

    Findings:

    • Microscopic examination revealed a lesion infiltrated by mononuclear cells with focal neutrophil presence.
    • Extensive networks of proliferating epithelium, including ciliated columnar and stratified squamous components, were observed.
    • Unlike typical granulomas, this lesion lacked a well-defined connective tissue capsule and featured an unusual epithelial lining.

    Implications:

    • The findings suggest a unique presentation of a periapical lesion with atypical epithelial proliferation.
    • This case highlights the importance of detailed histopathological analysis for differentiating unusual periapical pathologies.
    • Further research may elucidate the specific mechanisms driving this epithelial growth and its clinical significance.

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