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Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
Published on: August 30, 2013
Association between radiologists' experience and accuracy in interpreting screening mammograms
Eduard Molins1, Francesc Macià, Francesc Ferrer
1Evaluation and Clinical Epidemiology Department, Hospital del Mar, Passeig Marítim, 25-29, 08003 Barcelona, Spain. emolins@imas.imim.es
BMC Health Services Research
|April 29, 2008
Summary
Radiologist experience impacts mammogram accuracy; routine readers show higher specificity. Following up on recommended workups may improve breast cancer screening quality.
Area of Science:
- Radiology
- Medical Imaging
- Breast Cancer Screening
Background:
- Mammogram interpretation varies significantly among radiologists.
- Radiologist experience is a potential factor influencing diagnostic accuracy.
Purpose of the Study:
- To investigate the effect of radiologists' experience on mammogram reading accuracy.
- To identify factors associated with improved diagnostic performance in mammography.
Main Methods:
- A random sample of 200 screening mammograms (30 cancer, 170 non-cancer) was analyzed.
- 21 routine and 7 non-routine mammogram readers assessed diagnostic accuracy (sensitivity, specificity).
- Readers were blinded to screening outcomes; positive assessment defined by BI-RADS categories III, 0, IV, V.
Main Results:
- Routine mammogram readers demonstrated higher average specificity (66%) than non-routine readers (56%).
- Factors associated with higher specificity among routine readers included: providing follow-up recommendations, dedicating <25% of work time to breast radiology, and age >45.
- Interpreting >5,000 mammograms annually was not significantly linked to improved specificity.
Conclusions:
- Mammogram interpretation volume did not correlate with better performance for routine readers.
- Specificity declined in radiologists not routinely interpreting mammograms.
- Regular follow-up of recommended workups could enhance mammogram reading consistency and breast cancer screening quality.
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