Saint-Sébastien-de-Morsent, France
Saint-Sébastien-de-Morsent, France

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Ligier K.,Registre general des cancers de Lille et de sa region | Plouvier S.,Registre general des cancers de Lille et de sa region | Danzon A.,Institute of Veille Sanitaire | Benoit E.,Direction regionale du service medical Nord Pas de Calais Picardie | And 7 more authors.
Revue d'Epidemiologie et de Sante Publique | Year: 2012

Background: In 2005, following the first cancer plan of the national health authorities, a general cancer registry was established in northern France, in a territory designated as a " zone in proximity to the city of Lille" (ZPL). The aim of the present work was to evaluate the completeness of the registry's first year of incident cancer registration (2005) and to compare the observed cancer incidence in the " ZPL" with the estimated incidence in France. Methods: Completeness was assessed using the average number of sources per case, the percentage of histological verification and a method of independent case ascertainment (mortality/incidence ratio). A direct standardization on the world population was used to calculate the ZPL/France ratios of standardized incidence rates. Analyses were conducted for 21 cancer sites. Results: In 2005, 3635 cases of invasive cancer were recorded by the registry. The average number of sources per case was 2.7 and histological proof was available for 91.4% of cases. Mortality/incidence ratios showed satisfactory completeness of the data for men for most cancer sites. For women however, for cancer sites for which the number of cases was low, data will have to be confirmed during the subsequent years of observation. A lack of completeness was found for cutaneous melanoma. In men, an overincidence was identified for cancers of lip-mouth-pharynx, larynx, esophagus, lung, liver, bladder, kidney and colon-rectum. In women, an overincidence has been identified for cancers of lip-mouth-pharynx, liver, bladder, colon-rectum, corpus uteri and ovaries. Conclusion: The first year of incidence validated at the " Registre général des cancers de Lille et de sa région" shows a completeness of records with regards to studied criteria. The comparison with national data shows an overincidence of cancers related to tobacco and alcohol consumption in the geographical area covered by the registry. The incidence of lip-mouth-pharynx cancer in men is the highest of all French registries. © 2012 Elsevier Masson SAS.

Papadopoulos A.,French Institute of Health and Medical Research | Papadopoulos A.,University Paris - Sud | Guida F.,French Institute of Health and Medical Research | Guida F.,University Paris - Sud | And 20 more authors.
Lung Cancer | Year: 2011

Background: The incidence of female lung cancer in developed countries has been increasing since 1950. In order to have recent and reliable data on the association between cigarette smoking and the risk of lung cancer in women, we analysed cases from a French population-based case-control study. Methods: The ICARE study is a multicenter case-control study on respiratory cancers (lung and UADT cancers), set up in 10 départements that include a general cancer registry. We included 648 women lung cancer cases up to 76 years of age, with a histologically confirmed primary lung cancer. The 775 controls were randomly selected from the general population and frequency-matched with cases by age and département. Results: Overall, smoking cigarettes at some time was associated with a 8-fold increase in lung cancer risk (OR=8.2, 95% CI 6.0-11.4). A dose-response relationship was observed as a function of duration, intensity and pack-years. Using restricted splines cubic models, we have shown that intensity dose-response departed significantly from linearity while the risk increased linearly with duration and decreased linearly with time since cessation. The following characteristics were associated with a higher relative risk: smoke inhalation, smoking non-filter cigarettes, smoking dark tobacco cigarettes and starting at a young age. In addition, duration, intensity and time since cessation was significantly related with histological type. This was not the case for characteristics such as the use of a filter or not, the inhalation pattern, or the type of tobacco smoked. The proportion of lung cancer cases attributable to cigarette smoking was 55% (95% CI: [47-63%]). Conclusions: Our results confirm that cigarette smoking is by far the most important cause of the current epidemic of lung cancer among French women and that the most important smoking-related variables for varying the risk of lung cancer are the duration, the intensity and the time since cessation. © 2011 Elsevier Ireland Ltd.

Fontenoy A.M.,Registre des cancers de Loire Atlantique et de Vendee | Leux C.,Registre des cancers de Loire Atlantique et de Vendee | Delacour-Billon S.,Registre des cancers de Loire Atlantique et de Vendee | Allioux C.,Structure de gestion du depistage organise en Loire Atlantique | And 3 more authors.
Cancer Epidemiology | Year: 2010

Background: A recent decline in breast cancer incidence rates has been reported in the United States and in Europe. This decrease has been partly attributed to the reduced use of hormone replacement therapy (HRT). No study in Europe has detailed recent breast cancer incidence trends both by hormonal receptor status and mode of detection at an individual level. Methods: We examined trends in breast cancer incidence rates in the French administrative area of Loire-Atlantique between 1991 and 2007, by age, mode of detection, histological subtype, estrogen/progesterone receptor (ER/PR) status and grade. Annual age-standardized breast cancer incidence rates were estimated using the Loire-Atlantique and Vendée Cancer Registry data. Annual percentage changes (APCs) were estimated using an age-adjusted Poisson regression model. Results: Incidence rates of breast cancer increased 3.5% per year in 1991-2003, dropped -4.3% per year in 2003-2006 and increased in 2007 (9.1%). Stratified analyses by age groups showed that the decrease concerned predominantly women aged 50-64 years, whereas an increasing proportion of cancers detected by organized screening was observed in this age group. Among these women, the decline of incidence particularly concerned positive estrogen and progesterone receptor tumors, lobular subtype tumors, and low-grade tumors. Conclusion: The drop in breast cancer incidence rates observed between 2003 and 2006 in women 50-64 years old was greater for ER+PR+ tumors. During the same period, the incidence of breast cancers diagnosed by organized screening increased. These patterns appear consistent with an impact of the reduced use of HRT. © 2010 Elsevier Ltd. All rights reserved.

Vanier A.,Registre des cancers de Loire Atlantique et de Vendee | Leux C.,Nantes University Hospital Center | Allioux C.,Nantes University Hospital Center | Billon-Delacour S.,Registre des cancers de Loire Atlantique et de Vendee | And 2 more authors.
Cancer Epidemiology | Year: 2013

Purpose: Comparisons of breast cancer characteristics between organized and opportunistic screening have been limited. This study was designed to compare characteristics of cancers detected by either organized or opportunistic screening as well as clinically diagnosed cancers in Loire-Atlantique (a French administrative entity), from 2003 to 2007. Methods: This study is based on data from the population-based Loire-Atlantique Cancer Registry. Stage at diagnosis and prognostic characteristics of carcinomas detected by organized screening were compared, by age-adjusted logistic regressions, to those of cancers detected by opportunistic screening and diagnosed clinically. Analyses were restricted to women aged 50-74 years (the age group targeted by the organized screening program) for the 2003-2007 period. Results: Between 2003 and 2007, 2864 invasive and 400 in situ breast cancer cases were diagnosed in women aged 50-74 years in Loire-Atlantique. Compared to cancers diagnosed clinically, cancers detected by organized screening were more likely to be in situ (13.7% vs. 3.8%), diagnosed at an early stage (74.4% vs. 51.3%), have a low SBR grade (grade 1: 35.4% vs. 18.5%), and be positive for estrogen-progesterone receptors (68.3% vs. 59.0%). The distribution of stage at diagnosis and prognostic characteristics between organized and opportunistic screening were similar. Conclusion: These findings are consistent with the hypothesis that breast cancers are detected early by organized screening. Cancer characteristics were similar between the two screening modes. Estimating the impact of mammography screening on mortality in Loire-Atlantique should be the object of further investigations. © 2013 Elsevier Ltd.

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