| Titre : | Patterns of familial aggregation of three melanoma risk factors : great number of naevi, light phototype and high degree of sun exposure. (2000) |
| Auteurs : | L. BRIOLLAIS ; M.F. AVRIL ; B. BRESSAC-DE PAILLERETS ; A. CHOMPRET ; F. DEMENAIS ; M. GUILLOUD-BATAILLE ; Department of Dermatology. Institut Gustave Roussy. Villejuif. FRA ; Inserm Unité 358. Hôpital Saint-Louis. Paris. FRA |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 29, n° 3, 2000) |
| Pagination : | 408-415 |
| Langues: | Anglais |
| Mots-clés : | Peau ; Facteur risque ; Exposition ; Soleil ; Homme ; Cancer ; Peau [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST 3mR0xcja. Diffusion soumise à autorisation]. Background Besides melanoma susceptibility genes and shared environmental exposures, part of the familial clustering of cutaneous malignant melanoma (CMM) might be due to familial aggregation of melanoma-associated phenotypes. Our goal was to assess the patterns of familial aggregation of three melanoma risk factors : great number of naevi (GNN), light phototype (LP) and high degree of sun exposure (HDSE). Methods Familial aggregation of GNN, LP and HDSE was investigated in 66 French families with at least two CMM cases and was measured by the association of the relatives'traits with the probands'traits, using the generalized estimating equations approach. The probands were the melanoma cases leading to ascertainment of the families, subdivided into cases (with the trait studied) and controls (without the trait). Results We found significant evidence for familial aggregation of GNN only among sibs (OR=3.7,95% CI : 1.4-10.5, P=0.01), of LP among blood relatives (OR=3.8,95% CI : 1.8-8.0, P=0.004) and of HDSE among blood relatives (OR=4.5,95% CI : 2.1-9.9, P<0.001) and spouses (OR=44.3,95% CI : 5.1-382.2, P<10-3). These results suggest that genetic factors might account for the clustering of GNN and LP and shared environment for the aggregation of HDSE. The GNN clustering was lower in families with increasing numbers of CMM (>=3 cases) or presence of p16 mutations, the opposite being observed for LP and HDSE. (...) |
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