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Organized breast screening: Answers to recurring controversies.
L Ceugnart1, M Deghaye2, P Vennin3
1Imaging Department, Oscar-Lambret Regional Cancer Center, 3, rue Frederic-Combemale, 59000 Lille, France.
Breast cancer screening programs reduce specific mortality by at least 20%. While overdiagnosis is a concern (1-15%), the benefits of early detection outweigh the risks for women in the appropriate age group.
Area of Science:
- Oncology
- Public Health
- Epidemiology
Background:
- Major meta-analyses in the 1980s established breast cancer screening benefits, leading to widespread public health programs.
- Recent studies question screening effectiveness, citing overdiagnosis and minimal mortality impact.
Purpose of the Study:
- To address physician and patient concerns regarding breast cancer screening efficacy.
- To provide evidence-based answers on the benefits and risks of screening.
Main Methods:
- Analysis of existing literature.
- Review of independent studies published in 2012.
Main Results:
- Screening in the appropriate age group reduces breast cancer-specific mortality by a minimum of 20%.
- Overdiagnosis is estimated to occur in 1-15% of screened individuals.
Conclusions:
- Breast cancer screening remains a valuable tool for reducing mortality.
- The benefits of screening, particularly in reducing specific mortality, are confirmed despite the issue of overdiagnosis.
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