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Assessment of breast cancer opportunistic screening by clinical-pathological indicators: a population-based study

Bordoni, A. and Probst-Hensch N. M., and Mazzucchelli, L. and Spitale, A.. (2009) Assessment of breast cancer opportunistic screening by clinical-pathological indicators: a population-based study. British journal of cancer : the clinical and scientific journal of The Cancer Research Campaign : BJC, Vol. 101, H. 11. S. 1925-1931.

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Official URL: http://edoc.unibas.ch/dok/A5843147

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Abstract

BACKGROUND: Although some clinical-pathological features of breast cancers, such as the incidence of ductal cancer in situ (DCIS) and the diameter of invasive tumours, are sensitive indicators of early detection, comprehensive population-based studies of opportunistic screening are needed. METHODS: Cases of DCIS or invasive breast cancer diagnosed in 1996-2007 were identified from the Ticino Cancer Registry (south of Switzerland). Time trends of age-adjusted incidence and mortality, as well as main clinical-pathological features, such as tumour diameter, AJCC stage and histological grade, were analysed. RESULTS: A total of 3047 incident cases of female breast cancer were identified. The proportion of DCIS with respect to invasive cases increased from 5.8% in the period 1996-2001 to 6.4% in the period 2002-2007. The median tumour size of invasive cancers decreased from 20 mm in 1996-2001 to 18 mm in 2002-2007 (P>0.0001). An increase in well/moderately differentiated invasive tumours, from 67% in the period 1996-2001 to 73% in 2002-2007 (P>0.001), was detected and resulted in an Annual Percentage Change of incidence of 2.8 (95% confidence interval: 1.3; 4.3). CONCLUSION: An opportunistic screening strategy can lead to an improvement of prognostic features at diagnosis, but these features are still less favourable than those achieved by organised screening programmes
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Chronic Disease Epidemiology > Genetic Epidemiology of Non-Communicable Diseases (Probst-Hensch)
03 Faculty of Medicine > Departement Public Health > Sozial- und Präventivmedizin > Genetic Epidemiology of Non-Communicable Diseases (Probst-Hensch)
UniBasel Contributors:Probst Hensch, Nicole
Item Type:Article, refereed
Bibsysno:Link to catalogue
Publisher:Nature Publishing Group
ISSN:1532-1827
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:24 May 2013 09:22
Deposited On:24 May 2013 09:02

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