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Summary

Ensuring tumor marker (TM) traceability is crucial for reliable cancer screening and monitoring. This review examines quality requirements and identifies challenges in current TM detection methods to improve testing accuracy.

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Area of Science:

  • Clinical Chemistry
  • Biotechnology
  • Metrology

Background:

  • Accurate tumor marker (TM) detection is vital for cancer screening, monitoring, and treatment.
  • TM traceability is essential for enhancing the reliability and comparability of laboratory test results.
  • Current detection methods face challenges in quality assurance, necessitating improvements.

Purpose of the Study:

  • To review quality requirements for reference materials and methods in TM detection.
  • To analyze existing problems in international reference measurement procedures and traceability systems for TMs.
  • To propose new ideas for quality assurance in TM detection.

Main Methods:

  • Review of metrology traceability principles and classification systems.
  • Analysis of quality requirements for protein and nucleic acid TMs.
  • Evaluation of international reference measurement procedures and traceability systems.

Main Results:

  • Identified critical quality requirements for reference materials and measurement methods.
  • Highlighted existing challenges within international TM traceability frameworks.
  • Provided insights into the current state of TM detection quality assurance.

Conclusions:

  • Establishing robust TM traceability is key to improving diagnostic accuracy.
  • Addressing identified issues in reference measurement and traceability systems is necessary.
  • The findings offer a foundation for enhancing TM detection quality assurance globally.