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[Tumor markers].

W Fiebiger1, C Wiltschke

  • 1Klinische Abteilung für Onkologie, Universitätsklinik für Innere Medizin I, Währinger Gürtel 18-20, A-1090 Wien. wolfgang.fiebiger@akh-wien.ac.at

Acta Medica Austriaca
|May 31, 2001
PubMed
Summary
This summary is machine-generated.

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Tumour markers, substances from tumour cells, can indicate malignancy but have low sensitivity and specificity for diagnosis. They are most valuable for monitoring cancer treatment and follow-up after surgery.

Area of Science:

  • Biochemistry
  • Oncology
  • Clinical Chemistry

Context:

  • Tumour markers are biomolecules produced by cancer cells or by the body in response to cancer.
  • Quantification of tumour markers in body fluids offers a non-invasive method for disease assessment.

Purpose:

  • To evaluate the utility of tumour markers in clinical oncology.
  • To assess the diagnostic, screening, and monitoring capabilities of tumour markers.

Summary:

  • Tumour markers are substances produced by or induced by tumour cells, detectable in body fluids.
  • While elevated levels can suggest malignancy, non-cancerous conditions like inflammation also increase marker levels, limiting their diagnostic and screening utility.
  • Prostate-specific antigen (PSA) is an exception, showing established use in diagnosis and screening.

Related Experiment Videos

  • Tumour marker concentration does not consistently correlate with tumour volume in widespread cancers.
  • Their primary established roles are in post-surgical follow-up and monitoring palliative cancer therapy.

    • Impact:

    • Highlights the limitations of tumour markers in cancer diagnosis and screening due to variable specificity.
    • Underscores the established clinical value of tumour markers in cancer treatment monitoring and patient follow-up.
    • Provides a nuanced understanding of tumour marker application in oncology, differentiating their roles in diagnosis versus management.