Related Experiment Video
Updated: Feb 14, 2026
05:28
Clinical Imaging of Microwave Mammography
Published on: November 14, 2025
275
Clinical Image Quality and Sensitivity in an Organized Mammography Screening Program.
Isabelle Théberge1, Marie-Hélène Guertin2, Nathalie Vandal2
1Institut national de santé publique du Québec, Quebec City, Québec, Canada; Département de médecine sociale et préventive, Faculté de Médecine, Université Laval, Quebec City, Québec, Canada.
Summary
Mammogram image quality in the Quebec screening program was sufficient. Despite some mammograms not meeting accreditation standards, overall quality did not significantly impact screening sensitivity for breast cancer detection.
Area of Science:
- Radiology
- Public Health
- Medical Imaging
Background:
- Mammography is a key tool for breast cancer screening.
- Ensuring high image quality is crucial for accurate cancer detection.
- Variations in mammogram quality may affect screening effectiveness.
Purpose of the Study:
- To investigate the relationship between clinical mammogram image quality and screening sensitivity.
- To assess if mammogram quality influences the detection of invasive breast cancers.
Main Methods:
- Radiologists assessed image quality of screening mammograms from the Quebec Breast Cancer Screening Program.
- Quality was evaluated against Canadian and American College of Radiology accreditation criteria.
- Logistic regression analyzed the association between image quality and screening sensitivity.
Main Results:
- 28% of mammograms had lower overall quality, with positioning being the most common issue.
- Overall screening sensitivity was 68% over 2 years.
- No statistically significant association was found between mammogram quality and screening sensitivity.
Conclusions:
- Mammograms in the Quebec screening program achieved a quality level adequate for effective screening.
- Despite some quality variations, screening sensitivity was not compromised.
- The current quality level is sufficient to maintain high screening sensitivity.
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