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[en] Justification of breast screening in radiation protection terms both for the screened population and on an individual basis is necessary. In this paper the number of cancers detected, and the number of cancers potentially induced by radiation in the UK National Health Service Breast Screening Programme (NHS BSP) are compared. Detection rates reported up to 1998 are used, with x-ray doses for 1997 and 1998 and breast cancer induction risk factors, stratified by age, recommended by the National Radiological Protection Board in 1994. Cancers detected exceed those potentially induced at all ages from 50-64. The relationship between these cancer numbers and the associated benefit and risk, in terms of breast cancer deaths avoided and induced, is then investigated. Improved values of the Nottingham Prognostic Indicator (NPI) attributed to screening provide one means of doing this. Using this strict criterion the breast-screening programme is also justified in radiation protection terms. (author)
Source
International Atomic Energy Agency, Vienna (Austria); European Commission, Brussels (Belgium); Pan American Health Organization, Washington, DC (United States); World Health Organization, Geneva (Switzerland); 916 p; Mar 2001; p. 159-163; International conference on radiological protection of patients in diagnostic and interventional radiology, nuclear medicine and radiotherapy; Malaga (Spain); 26-30 Mar 2001; IAEA-CN--85-166; ISSN 1563-0153; 
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