alexa Cancer incidence in France over the 1980-2012 period: Hematological malignancies.
Cardiology

Cardiology

Atherosclerosis: Open Access

Author(s): Le GuyaderPeyrou S, Belot A, Maynadi M, BinderFoucard F, Remontet L,

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Abstract BACKGROUND: The classification of hematological malignancies (HMs) has changed in recent decades. For the first time, the French network of cancer registries (Francim) provides estimates for incidence and trends of HM in France between 1980 and 2012 for major HM subtypes. METHODS: Incidence was directly estimated by modeling the incidence rates measured in the cancer registry area. For each HM subtype, a "usable incidence period" was defined a priori, corresponding to the years for which all the registries collected them in a homogeneous way. For both sexes and each HM subtype, age-period-cohort models were used to estimate national incidence trends. RESULTS: Overall in France, there were an estimated 35,000 new HMs in 2012 (19,400 in men and 15,600 in women). Lymphoid malignancies accounted for more than two-thirds of HM incident cases (n=25,136). The incidence sex ratio (M/F) varied from 1.1 for classical Hodgkin lymphoma to 4.0 for mantle-cell lymphoma. The median age at diagnosis ranged from 62 to 81 years according to the major HM subtypes. Overall in both sexes, the top five most frequent HMs in 2012 were plasma cell neoplasm (about 4900 estimated cases), chronic lymphocytic leukemia/small lymphocytic lymphoma (4500 cases), diffuse large B-cell lymphoma and myelodysplastic syndromes (4100 cases), and acute myeloid leukemia (2800 cases). The incidence rates increased for follicular lymphoma and plasma cell neoplasm during the study period in both sexes. Classical Hodgkin lymphoma was relatively stable in men between 1980 and 2012 and increased in both sexes during the most recent period. Chronic myeloproliferative neoplasms, other than chronic myelogenous leukemia, are the only subtype that showed a slightly downward trend in incidence between 2003 and 2012 in both sexes. CONCLUSION: The striking differences in the incidence patterns by histologic subtype strongly suggest a certain level of etiologic heterogeneity among hematological malignancies and support the pursuit of epidemiologic analysis by subtype for HMs in international studies. Age-standardized incidence rates are essential to analyze trends in risk, whereas the number of incident cases is necessary to make provisions for healthcare resources and to evaluate the overall burden of HM. Copyright © 2016 Elsevier Masson SAS. All rights reserved. This article was published in Rev Epidemiol Sante Publique and referenced in Atherosclerosis: Open Access

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