Differences in Breast Cancer Characteristics by Mammography Screening Participation or Non-Participation

Deutsches Ärzteblatt International
Bettina BraunHans-Werner Hense

Abstract

The goal of the German Mammography Screening Program (MSP) is to enable the early detection and less intensive treatment of breast cancer. We compared tumor characteristics and prognostic markers in breast cancers that were detected by screening in the MSP, in the interval after a negative screening, or among non-participants in screening. This retrospective series includes all of the 1531 cases of invasive and in situ breast cancer (DCIS, ductal carcinoma in situ) that were newly diagnosed in two certified breast care centers in Münster in the period 2006-2012 among women in the MSP target population. Complete information on the tumor characteristics, tumor biology, and primary surgical treatment were available for all cases. The mode of cancer detection was determined from the state cancer registry of North Rhine-Westphalia. Due to the retrospective design of this case series, there was no randomized allocation. The 874 cases of breast cancer among MSP participants (714 detected by screening, 160 in the interval after a negative screen) and the 657 cases among non-participants arose in women of similar age (mean, 60.2 versus 59.3 years). MSP participants with breast cancer had DCIS more commonly than non-participants did (23%...Continue Reading

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Citations

Aug 6, 2019·Annals of Saudi Medicine·Khawaja Bilal WaheedZechriah Jebakumar Arulanatham

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