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Quality control programme in mammography: second level quality controls

E Nassivera1, L Nardin

  • 1Department of Medical Physics, S. Chiara Hospital, Trento, Italy.

The British Journal of Radiology
|June 1, 1997
PubMed
Summary

Regular quality control ensures mammography equipment functions correctly for reliable breast lesion detection. Comprehensive checks verify image quality and radiation dose, essential for diagnostic accuracy and patient safety.

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Area of Science:

  • Radiology
  • Medical Physics
  • Diagnostic Imaging

Background:

  • Mammography is crucial for breast lesion detection, but low contrast requires high image quality.
  • Maintaining high mammographic standards necessitates stringent quality control to ensure diagnostic accuracy.

Purpose of the Study:

  • To describe the second level of a mammography quality control program.
  • To detail the parameters and methods used for semi-annual equipment checks by medical physicists.

Main Methods:

  • Implemented a two-level quality control program with daily and semi-annual checks.
  • Conducted detailed semi-annual assessments of mammographic units, screen-film systems, and radiation dose.
  • Measured parameters including kilovoltage, focal spot size, half-value layer, tube output, AEC, and mean glandular dose.

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Main Results:

  • Evaluated key mammographic parameters over a five-year period (1991-1995).
  • Results demonstrated consistent and correct functioning of the mammography equipment throughout the study.
  • Ensured adherence to national and international quality standards for mammography.

Conclusions:

  • The described quality control program effectively verifies mammographic equipment performance.
  • Consistent equipment function is vital for accurate breast lesion detection and patient safety.
  • Semi-annual assessments by medical physicists are essential for maintaining high mammography standards.