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Lymphomas and their expression in peripheral blood

B Harty-Golder, R C Braylan

    The American Journal of Medical Technology
    |August 1, 1982
    PubMed
    Summary

    Detecting circulating lymphoma cells in blood is possible. Advanced lab methods improve identification and subtyping of these malignant cells, especially in non-Hodgkin

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    Area of Science:

    • Hematology
    • Oncology
    • Clinical Pathology

    Background:

    • Circulating malignant cells can be present in patients diagnosed with lymphoma.
    • While Hodgkin's disease rarely presents with leukemia, non-Hodgkin's lymphomas frequently show neoplastic cells in peripheral blood.
    • The frequency of leukemic manifestation in lymphoma patients is linked to the specific histologic subtype.

    Purpose of the Study:

    • To explore the presence and detection of circulating malignant cells in lymphoma patients.
    • To highlight the limitations of pure morphologic examination for identifying and subtyping circulating lymphoma cells.
    • To emphasize the utility of advanced laboratory techniques in detecting and characterizing these cells.

    Main Methods:

    • Review of diagnostic approaches for circulating lymphoma cells.
    • Application of enzyme histochemistry for cell analysis.
    • Utilizing cell surface markers and cell kinetics for characterization.

    Main Results:

    • Morphologic examination alone is often insufficient for accurate lymphoma diagnosis and subtyping in peripheral blood.
    • Non-Hodgkin's lymphomas are more prone to exhibiting circulating neoplastic cells compared to Hodgkin's disease.
    • The incidence of leukemic presentation correlates with specific lymphoma subtypes.

    Conclusions:

    • Modern laboratory techniques are crucial for the definitive detection and typing of circulating lymphoma cells.
    • Enzyme histochemistry, cell surface markers, and cell kinetics enhance diagnostic capabilities.
    • These advanced methods are vital for understanding the extent and nature of lymphoma involvement in the peripheral blood.

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