No Excess Mortality in Patients Aged 50 Years and Older Who Received Treatment for Ductal CarcinomaIn Situof the Breast | Zendy

Esther Bastiaannet | Zendy; W. van de Water | Zendy; Rudi G. J. Westendorp | Zendy; M.L.G. JanssenHeijnen | Zendy; Cornelis J.�H. van de Velde | Zendy; Anton J.M. de Craen | Zendy; GerritJan Liefers | Zendy

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No Excess Mortality in Patients Aged 50 Years and Older Who Received Treatment for Ductal CarcinomaIn Situof the Breast

Author(s) -

Esther Bastiaannet,

W. van de Water,

Rudi G. J. Westendorp,

M.L.G. JanssenHeijnen,

Cornelis J.�H. van de Velde,

Anton J.M. de Craen,

GerritJan Liefers

Publication year - 2012

Publication title -

international journal of surgical oncology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.432

H-Index - 22

eISSN - 2090-1410

pISSN - 2090-1402

DOI - 10.1155/2012/567506

Subject(s) - medicine , excess mortality , ductal carcinoma , incidence (geometry) , relative survival , breast cancer , population , mortality rate , cancer registry , population based study , relative risk , demography , invasive ductal carcinoma , surgery , epidemiology , cancer , pediatrics , confidence interval , physics , environmental health , sociology , optics

Background . The incidence of ductal carcinoma in situ (DCIS) has increased at a fast rate.The aim of this study was to assess the incidence and treatment in the Netherlands and estimate the excess mortality risk of DCIS. Methods . From the Netherlands Cancer Registry, adult female patients (diagnosed 1997–2005) with DCIS were selected. Treatment was described according to age. Relative mortality at 10 years of follow-up was calculated by dividing observed mortality over expected mortality. Expected mortality was calculated using the matched Dutch general population. Results . Overall, 8421 patients were included in this study. For patients aged 50–64, and 65–74 an increase in breast-conserving surgery was observed over time ( P < 0.001). For patients over 75 years of age, 8.0% did not undergo surgery; this percentage remained stable over time ( P = 0.07). Overall, treated patients aged >50 years experienced no excess mortality regardless of treatment (relative mortality 1.0). Conclusion . The present population-based study of almost 8500 patients showed no excess mortality in surgically treated women over 50 years with DCIS.

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