Occupational exposure to ultraviolet radiation and risk of non-Hodgkin lymphoma

Alessandra Tavani, Cristina Bosetti, Silvia Franceschi, Renato Talamini, Eva Negri, Carlo La Vecchia
European Journal of Cancer Prevention 2006, 15 (5): 453-7
Individuals diagnosed with skin cancer have elevated risk of non-Hodgkin lymphoma, and those with non-Hodgkin lymphoma have excess rates of various types of skin cancers. Sunshine and other sources of ultraviolet radiation are major risk factors for skin cancer, and hence a potential common link between skin cancer and non-Hodgkin lymphoma. We analyzed the relationship between occupational exposure to ultraviolet radiation and the risk for non-Hodgkin lymphoma using data from a case-control study conducted in Northern Italy between 1985 and 1997. Cases were 446 patients with histologically confirmed incident non-Hodgkin lymphoma, and controls were 1295 patients admitted to hospital for acute non-neoplastic, non-immunological conditions. The multivariate odds ratios were computed after allowance for age, sex, area of residence, education and smoking. The odds ratio for patients reporting ever ultraviolet exposure at work was 1.01 (95% confidence interval 0.72-1.43) and 1.03 (95% confidence interval 0.72-1.49) for exposure longer than 10 years. The odds ratio was 1.09 for manual workers and 0.79 for farmers exposed to ultraviolet radiation, compared with those with other occupations not exposed to ultraviolet radiation. Our study found no association between occupational exposure to ultraviolet radiation and the risk of non-Hodgkin lymphoma.

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