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[Mass screening for breast cancer].

Paul-Henri Cottu1, Caroline Cuvier, Francine Perret

  • 1Centre des maladies du sein, hôpital Saint-Louis, Paris. phcottu@ch-diaconesses.fr

Presse Medicale (Paris, France : 1983)
|March 1, 2003
PubMed
Summary

Systematic mammography screening significantly reduces breast cancer mortality by about 30% in women over 50. Further research suggests similar benefits for women aged 40-49 with intensified screening protocols.

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Area of Science:

  • Oncology
  • Public Health
  • Radiology

Background:

  • Large randomized studies demonstrate mammography screening reduces breast cancer mortality by ~30% in women over 50.
  • Emerging data suggest similar benefits for women aged 40-49 with intensified screening.
  • A recent meta-analysis challenging these findings is considered debatable.

Purpose of the Study:

  • To evaluate the effectiveness of mammography screening in reducing breast cancer mortality.
  • To discuss the implementation and success factors of national breast cancer screening programs.

Main Methods:

  • Review of large randomized controlled trials on mammography screening.
  • Analysis of data on screening effectiveness in different age groups.
  • Discussion of national screening program strategies.

Main Results:

  • Consistent evidence of a ~30% reduction in breast cancer mortality for women over 50 undergoing systematic mammography.
  • Indications of comparable benefits in women aged 40-49 with enhanced screening efforts.
  • Controversy surrounding a recent meta-analysis that contradicts established findings.

Conclusions:

  • Mammography screening is a proven method for reducing breast cancer mortality in women over 50.
  • Active participation of women, healthcare professionals, and authorities is crucial for successful mass screening programs.
  • Ongoing evaluation and debate highlight the importance of robust scientific evidence in public health policy.

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