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[Tumor markers].

P Franchimont, P F Zangerle, J Collette

    Annales De Pathologie
    |January 1, 1982
    PubMed
    Summary
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    Tumor markers, substances linked to cancer, can be classified by their properties. Detection in biological fluids is less common than within tumors, impacting their clinical use for diagnosis and prognosis.

    Area of Science:

    • Oncology
    • Biochemistry
    • Immunology

    Background:

    • Tumor markers are substances associated with neoplasm development.
    • Their specificity varies based on nature (e.g., onco-fetal antigens) or form (e.g., hormones, enzymes).

    Purpose of the Study:

    • To propose a classification of tumor markers based on their properties.
    • To discuss discrepancies in tumor marker detection between tumor cells and biological fluids.
    • To highlight the clinical utility of tumor markers in cancer diagnosis, prognosis, and treatment monitoring.

    Main Methods:

    • Classification based on physico-chemical, immunochemical, and biochemical analogies.
    • Immunocytochemical techniques for intra-tumoral detection.
    • Sensitive methods like radioimmunoassay for biological fluid analysis.

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    Main Results:

    • Tumor markers are consistently found within carcinoma cells and secreted by explants.
    • Detection in biological fluids (blood, urine) is less frequent due to various factors.
    • Ectopic hormone production by tumors can cause clinical symptoms.

    Conclusions:

    • Tumor marker detection aids in neoplastic transformation identification and tumor classification.
    • Markers can indicate hormonal dependence for therapeutic guidance.
    • Tumor marker levels are valuable prognostic indicators and tools for monitoring treatment efficacy.