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Medical Physics 3.0 approach to optimizing image quality in a breast screening program.
Elizabeth Keavey1, Paola Baldelli2, Gillian Power2
1BreastCheck, National Cancer Screening Service, Galway, Ireland.
Medical Physics
|May 11, 2025
Summary
Optimizing mammography quality control using Medical Physics 3.0 principles improved image quality and cancer detection rates. This approach ensures consistent, high-quality breast cancer screening for all women.
Area of Science:
- Medical Physics
- Radiology
- Public Health
Background:
- Mammography image quality (IQ) is crucial for screening sensitivity and specificity.
- Current quality control (QC) metrics do not always correlate with clinical performance.
Purpose of the Study:
- Apply Medical Physics 3.0 principles to integrate QC with clinical outcomes.
- Optimize breast cancer screening quality within a national program.
Main Methods:
- Retrospective analysis of 1.5 million mammograms.
- Correlated cancer detection rate (CDR) with IQ and mean glandular dose (MGD).
- Adjusted operational dose multiplier for new mammography systems.
Main Results:
- Increased MGD by 19% and improved IQ by 12% for new systems.
- Observed convergence in CDR between system types after optimization.
- Medical physics metrics showed improved performance.
Conclusions:
- Medical Physics 3.0 integration enhances quality assurance.
- Optimized screening quality benefits individual women and the population.
- Data-driven QC improves breast cancer screening outcomes.
