Reduced mortality for women with mammography-detected breast cancer in east Denmark and south Sweden

Christensen, L.; Engholm, Gerda; Cortes, Rikke; Ceberg, Jeanette; Tange, Ulla Brix; Andersson, Maria; Bladström, Anna; Mouridsen, H. T.; Möller, Torgil; Storm, Hans H.

doi:10.1016/j.ejca.2006.03.036

Cited by 15 publications

(7 citation statements)

References 30 publications

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“…The European differences in survival were generally similar to those reported for the same countries among women diagnosed 1995–99 11. Survival was higher than expected in Denmark (85%): the data in this study are from eastern Denmark, greater Copenhagen and Copenhagen (Zeeland), where most of the population has undergone mammographic screening since 1991 23. In these areas, survival after mammographic diagnosis is higher than in Denmark as a whole, regardless of whether it was a screening mammography.…”

Section: Discussioncontrasting

confidence: 70%

Clinical images: A rare presentation of colonic pseudoobstruction in CREST

Nanda¹,

Longo²

2010

Arthritis & Rheumatism

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Breast cancer survival is reportedly higher in the US than in Europe. The first worldwide study (CONCORD) found wide international differences in age‐standardized survival. The aim of this study is to explain these survival differences. Population‐based data on stage at diagnosis, diagnostic procedures, treatment and follow‐up were collected for about 20,000 women diagnosed with breast cancer aged 15–99 years during 1996–98 in 7 US states and 12 European countries. Age‐standardized net survival and the excess hazard of death up to 5 years after diagnosis were estimated by jurisdiction (registry, country, European region), age and stage with flexible parametric models. Breast cancers were generally less advanced in the US than in Europe. Stage also varied less between US states than between European jurisdictions. Early, node‐negative tumors were more frequent in the US (39%) than in Europe (32%), while locally advanced tumors were twice as frequent in Europe (8%), and metastatic tumors of similar frequency (5–6%). Net survival in Northern, Western and Southern Europe (81–84%) was similar to that in the US (84%), but lower in Eastern Europe (69%). For the first 3 years after diagnosis the mean excess hazard was higher in Eastern Europe than elsewhere: the difference was most marked for women aged 70–99 years, and mainly confined to women with locally advanced or metastatic tumors. Differences in breast cancer survival between Europe and the US in the late 1990s were mainly explained by lower survival in Eastern Europe, where low healthcare expenditure may have constrained the quality of treatment.

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Section: Discussioncontrasting

confidence: 70%

Clinical images: A rare presentation of colonic pseudoobstruction in CREST

Nanda¹,

Longo²

2010

Arthritis & Rheumatism

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“…Recent legislation to promote such screening practices by 2008 may lead to a future increase in the prevalence of BCS. In Sweden, where nationwide coverage for screening mammography began in 1991 [15], the overall prevalence of BCS increased from 7% in 1980 to 18% in 1985, and was 51% in 1995, 4 years after the initiation of screening mammography [16]. In the United States, where surveillance mammography became widespread in the 1980s, the prevalence of BCS rose from approximately 30% in 1988 to approximately 60% by 1998 [17].…”

Section: Discussionmentioning

confidence: 99%

Trends in breast-conserving surgery in Denmark, 1982–2002

et al. 2007

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Using hospital discharge data from the counties in Northern Denmark and the Danish Cancer Registry, we examined the trend in the prevalence of breast-conserving surgery (BCS) to treat primary breast cancer from 1982 through 2002, with an emphasis on publications that may have influenced surgical practice in Denmark. Overall, the prevalence of BCS increased from less than 1% of breast cancer operations in 1982 to approximately 25% by 2002. The rise in prevalence was most pronounced for the treatment of young women and women with early-stage breast cancer. Of three pivotal clinical trials, the most significant trigger of the upward trend appeared to be a study conducted by the Danish Breast Cancer Cooperative Group, published in 1988. After 1988, there was a steep rise in the prevalence of BCS. By 2002, BCS prevalence appeared to reach a threshold at 25% of breast cancer operations, seemingly defined by the proportion of new breast cancer cases who are good candidates for BCS.

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“…However, Christensen et al [5] reported that patients with tumors detected by own initiative have a lower death hazard than patients with clinically detected tumors and are thus comparable to patients with tumors detected by mass-screening.…”

Section: Discussionmentioning

confidence: 92%

Comparison of cancer registry and clinical data as predictors for breast cancer survival

Seppänen

Heinävaara

Holli

et al. 2008

Cancer Causes Control

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Estimates of registry stage and age act as surrogates for clinical variables and mammography-detection. The surrogacy was found to be almost complete indicating that clinical variables are not necessarily needed when making breast cancer mortality predictions based on a population-based cancer registry. In cases with dissimilar staging cancer registry stage gave a better picture of the breast cancer survival than the clinical stage.

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Reduced mortality for women with mammography-detected breast cancer in east Denmark and south Sweden

Cited by 15 publications

References 30 publications

Clinical images: A rare presentation of colonic pseudoobstruction in CREST

Clinical images: A rare presentation of colonic pseudoobstruction in CREST

Trends in breast-conserving surgery in Denmark, 1982–2002

Comparison of cancer registry and clinical data as predictors for breast cancer survival

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