1599: Breast cancer ; screening or overdiagnosis? Questioning of a family doctor

I. Lassoued1, M. Jamoulle2
1 Department of general practice, Free university of Brussels (ULB), Charleroi, Belgium;
2 General practitioner, Researcher in Primary Care, Charleroi, Belgium
Presentation type: Oral Communication
The authors have tried to update the knowledge of breast cancer screening by a review of the scientific literature, the recommendations made by various national health institutions as well as expert advices. It attempts to identify the limitations of screening and the potential adverse effects of the overdiagnosis and overtreatment.
The current literature has been reviewed, as well as books on the issues of screening, the work of some experts aim to clarify the following points :
The potential benefit of routine screening of women aged 50 to 69 years
The risks and potential side effects of breast cancer screening by mammography.
Informing women invited to screening
State institutions (KCE, HAS, Canadian Task Forces, U.S. Task Forces) recommend maintaining the screening of women aged 50 to 69 years and consider the benefit is higher than adverse events (false positives, false negatives and treatment of tumours growing very slow). Nevertheless, the findings of the Cochrane and Prescrire are reserved. For them, even if there is a benefit, it is minimal and insufficient as to have a definite opinion on the matter. Indeed, the NNS (Need Number to Screen) for 10 years is 2000. At the same time 10 healthy women will be treated unnecessarily for a cancer and 200 women will be falsely alerted by screening. Biased information given to patients rises false beliefs. All these beliefs conveyed can lead to a breakdown in the relationship between doctor and patient

Disclosure: No conflict of interest declared