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The Screening Mammography Program of British Columbia: pilot study
T G Hislop1, L J Burhenne, V E Basco
1Division of Epidemiology, Biometry and Occupational Oncology, British Columbia Cancer Agency, Vancouver, Canada.
Summary
High volume screening mammography in Vancouver detected 4.1 cancers per 1,000 women. This pilot project evaluated the efficiency and yield of large-scale breast cancer screening.
Area of Science:
- Public Health
- Radiology
- Oncology
Background:
- Evaluating the effectiveness of large-scale screening programs is crucial for public health.
- Pilot projects provide valuable data on the feasibility and outcomes of new screening initiatives.
Purpose of the Study:
- To assess the outcomes of a high-volume screening mammography pilot project in Vancouver, British Columbia.
- To determine the cancer detection rate and cost-effectiveness of the screening program.
Main Methods:
- A 9-month pilot project screened 7,100 women using high-volume screening mammography.
- Data collected included screening volume, cost per screening, abnormal mammogram rates, biopsy rates, and cancer diagnoses.
Main Results:
- The project screened an average of 43 women daily at a cost of $33.81 per woman.
- 10% of women (722) had abnormal mammograms, leading to 144 biopsies.
- 29 breast cancers were diagnosed, with an overall detection rate of 4.1 per 1,000 women.
Conclusions:
- High-volume screening mammography is a feasible approach for detecting breast cancer.
- The pilot project demonstrated a significant cancer detection rate, supporting the potential benefits of widespread screening programs.