tailieunhanh - SCREENING FOR BREAST CANCER WITH MAMMOGRAPHY

These admittedly rather vague suggestions for man- aging cancer are clearly something of a long shot, but the 12 new Physical Science-Oncology Centers are just starting up (figure 4), and over the coming years they will work together to compare ideas and results from their experimental and theoretical investiga- tions. The success of the initiative will depend on how well the scientists involved can form links between traditional disciplines. | SCREENING FOR BREAST CANCER WITH MAMMOGRAPHY What are the benefits and harms of attending a screening programme for breast cancer How many will benefit from being screened and how many will be harmed What is the scientific evidence for this What you always wanted to know about breast screening Published by The Nordic Cochrane Centre 2012 Contents What is screening .4 Documentation for the facts and Why have we written this leaflet .10 Written by Peter C. G0tzsche professor chief physician DrMedSci director The Nordic Cochrane Centre Rigshospitalet Copenhagen Denmark. Ole J. Hartling chief physician DrMedSci former chairman The Ethical Council Denmark. Margrethe Nielsen midwife MSc lecturer Metropolitan University College Copenhagen Denmark. John Brodersen associate professor general practitioner PhD University of Copenhagen Denmark. This leaflet is available at and . January 2012 2nd edition 1st edition published in January 2008 2 Summary When we first published this leaflet in 2008 the Summary was It may be reasonable to attend for breast cancer screening with mammography but it may also be reasonable not to attend as screening has both benefits and harms. If 2000 women are screened regularly for 10 years one will benefit from the screening as she will avoid dying from breast cancer. At the same time 10 healthy women will as a consequence become cancer patients and will be treated unnecessarily. These women will have either a part of their breast or the whole breast removed and they will often receive radiotherapy and sometimes chemotherapy. Furthermore about 200 healthy women will experience a false alarm. The psychological strain until one knows whether or not it was cancer and even afterwards can be severe. These numbers were derived from the randomised trials of mammography screening. However since the trials were performed treatment of breast cancer has .

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