Related Experiment Videos
Cancer of the breast. Screening
Major Problems in Clinical Surgery
|January 1, 1979
Summary
Mass breast cancer screening is feasible and detects small tumors, but long-term follow-up is crucial for assessing survival impact and cost-effectiveness. Mammography is the primary tool, with ongoing technological advancements expected.
Area of Science:
- Oncology
- Radiology
- Public Health
Background:
- Breast cancer screening is complex, requiring long-term follow-up to validate initial findings and survival predictions.
- The challenge of interval cancers (cancers detected between screenings) needs acknowledgment.
- Cost-effective screening systems for broader population coverage are under consideration.
Purpose of the Study:
- To assess the feasibility and effectiveness of mass breast cancer screening programs.
- To evaluate the early detection of small breast cancers through screening.
- To determine the long-term impact of screening on survival rates.
Main Methods:
- Utilized mammography as the primary detection modality.
- Leveraged data from the National Cancer Institute/American Cancer Society Breast Cancer Detection Demonstration Projects.
- Involved long-term follow-up of a large participant cohort (280,000 women).
Main Results:
- Demonstrated successful mass screening for breast cancer, with high participation rates.
- Detected breast cancers at very early stages, previously considered rare.
- Mammography showed high frequency in detecting small tumors.
Conclusions:
- Mass breast cancer screening is achievable and can detect early-stage cancers.
- Mammography is a key tool, with expected technological improvements enhancing reliability and safety.
- Long-term follow-up is essential to fully determine the impact on survival and the role of screening modalities like thermography.