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Title

Effectiveness of organised versus opportunistic mammography screening

Authors
Bulliard, J-L.
Ducros, C.
Jemelin, C.
Arzel, Béatrice
Levi, F.
Published in Annals of Oncology. 2009, vol. 20, no. 7, p. 1199-202
Abstract BACKGROUND: Detailed comparison of effectiveness between organised and opportunistic mammography screening operating in the same country has seldom been carried out. PATIENTS AND METHODS: Prognostic indicators, as defined in the European Guidelines, were used to evaluate screening effectiveness in Switzerland. Matching of screening programmes' records with population-based cancer registries enabled to compare indicators of effectiveness by screening and detection modality (organised versus opportunistic screening, unscreened, interval cancers). Comparisons of prognostic profile were also drawn with two Swiss regions uncovered by service screening of low and high prevalence of opportunistic screening, respectively. RESULTS: Opportunistic and organised screening yielded overall little difference in prognostic profile. Both screening types led to substantial stage shifting. Breast cancer prognostic indicators were systematically more favourable in Swiss regions covered by a programme. In regions without a screening programme, the higher the prevalence of opportunistic screening, the better was the prognostic profile. CONCLUSIONS: Organised screening appeared as effective as opportunistic screening. Mammography screening has strongly influenced the stage distribution of breast cancer in Switzerland, and a favourable impact on mortality is anticipated. Extension of organised mammography screening to the whole of Switzerland can be expected to further improve breast cancer prognosis in a cost-effective way.
Keywords AgedBreast Neoplasms/pathology/radiographyFemaleHumansMammography/statistics & numerical data/utilizationMass Screening/statistics & numerical data/utilizationMiddle AgedNeoplasm StagingPatient Acceptance of Health CarePopulation SurveillancePrevalencePrognosisProgram EvaluationQuality Indicators, Health CareSwitzerland
Identifiers
PMID: 19282467
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Research group Groupe Bouchardy Magnin Christine (Registre genevois des tumeurs) (532)
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(ISO format)
BULLIARD, J-L. et al. Effectiveness of organised versus opportunistic mammography screening. In: Annals of Oncology, 2009, vol. 20, n° 7, p. 1199-202. https://archive-ouverte.unige.ch/unige:5481

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Deposited on : 2010-03-18

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