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Volume 2 Supplement 2

Symposium Mammographicum 2000

Does preoperative diagnosis reduce the number of operations required for treatment of screen-detected breast cancer?

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A minimum standard for preoperative diagnosis of breast cancer of 70% has been set by the National Health Service Breast Screening Programme, (NHSBSP). Nationally, rates are 80% [BASO 1998-1999] and the rate in the southeast Thames region approaches 90%. Confirmation of malignancy by fine needle aspiration cytology or core biopsy avoids surgical biopsy, thus reducing the number of operations required for patients with breast cancer. We reviewed data from the regional breast screening QA database on 4402 cancers diagnosed in the years 1990 to 1999 of the NHSBSP in the southeast Thames region to measure the effect of a positive preoperative diagnosis (C5 cytology or B5 histology) on the number of operations required for treatment.

Conclusion

Women with screen-detected cancer with no preoperative diagnosis are between 2 and 4.5 times more likely to require two or more operations.

Table Preoperative diagnosis rates and percentage of patients with two or more operations in invasive and non-invasive screen-detected cancers

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Ralleigh, G., Michell, M., Henderson, S. et al. Does preoperative diagnosis reduce the number of operations required for treatment of screen-detected breast cancer?. Breast Cancer Res 2, A30 (2000) doi:10.1186/bcr222

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Keywords

  • Breast Cancer
  • Fine Needle Aspiration
  • Preoperative Diagnosis
  • Core Biopsy
  • Screen Programme