Homogénéité de la distribution spatiale des cancers du système reproducteur féminin au Québec.
Traduction en anglais : Homogeneity of the spatial distribution of breast and female genital system in Quebec.
Risk factors associated with women's reproductive life and sexual growth do not adequately predict cancer incidence ofthe breast, uterus and ovary.
The heterogeneous worldwide distribution of these cancers could imply that some environmental and cultural risk factors are involved in their cancerogenesis.
The few attempts made so far to unravel their spatial structures at a geographic scale facilitating the search for exogeneous risk factors have proved inconclusive.
This study reports the results of a spatial analysis of the cancer incidence rates for breast, cervix, endometrium and ovary among Community Health Departments (CHD) in Quebec using a spatial autocorrelation method.
Correlograms built according to four definitions ofthe inter-CHDs distance indicate that breast and ovary incidence rates follow quite similar spatial gradients attesting to their etiologic affinity.
They also suggest that the spatial distribution of endometrial cancer follows a gradient divergent from that of breast and ovary cancers, and that the CHDs'spatial scale does not suitably describe the distribution of cervical cancer.
The demonstration of a structured spatial distribution for breast, endometrium and ovary cancers in Québec strengthen the hypothesis that cultural or environmental risk factors are involved in their etiology.
But, the observed disparities in the spatial structure of these cancers imply that their etiologic specificity may be greater than their biologie bond would suggest.
Mots-clés Pascal : Tumeur maligne, Glande mammaire, Utérus, Ovaire, Epidémiologie, Homme, Femelle, Analyse spatiale, Variation géographique, Incidence, Québec, Canada, Amérique du Nord, Amérique, Glande mammaire pathologie, Utérus pathologie, Ovaire pathologie, Appareil génital femelle pathologie
Mots-clés Pascal anglais : Malignant tumor, Mammary gland, Uterus, Ovary, Epidemiology, Human, Female, Spatial analysis, Geographical variation, Incidence, Quebec, Canada, North America, America, Mammary gland diseases, Uterine diseases, Ovarian diseases, Female genital diseases
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 95-0518971
Code Inist : 002B20E02. Création : 01/03/1996.