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Related Experiment Videos

Signet-ring cell lymphoma.

I Iossifides, B Mackay, J J Butler

    Ultrastructural Pathology
    |October 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Signet-ring cell lymphoma, a rare follicular center cell lymphoma, features vacuolated cells containing IgG/kappa. Ultrastructural analysis reveals coalescing vacuoles with microvesicles, aiding in diagnosis.

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    Area of Science:

    • Hematopathology
    • Oncology
    • Cell Biology

    Background:

    • Follicular center cell lymphoma is a subtype of non-Hodgkin lymphoma.
    • Signet-ring cell lymphoma is a recently described morphologic variant.

    Observation:

    • Light microscopy revealed predominantly vacuolated cells in a small cleaved, follicular center cell lymphoma.
    • Immunoperoxidase staining identified immunoglobulin G/kappa (IgG/k) within these cells.
    • Ultrastructural examination showed small vacuoles merging into larger ones containing microvesicles.

    Findings:

    • The vacuolated appearance is characteristic of signet-ring cell lymphoma.
    • The presence of IgG/k supports B-cell origin.
    • Ultrastructure elucidates the formation and content of the cytoplasmic vacuoles.

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    Implications:

    • This detailed characterization aids in the accurate diagnosis of signet-ring cell lymphoma.
    • Understanding the ultrastructural features can refine classification and diagnostic criteria.
    • Further research into the pathogenesis of vacuole formation may reveal therapeutic targets.