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Rev Saude Publica. 1994 Jun;28(3):204-8.

[Occupational exposure and lung cancer in smokers].

[Article in Spanish]

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Servicio de Neumonologia, Hospital Italiano, Rosario, Argentina.


High male lung cancer incidence and mortality in Rosario city, Argentina, have been found in previous studies. A project was undertaken for the purpose of evaluating the life-time occupational history as well as the duration and intensity of cigarette smoking as determinants of histologic cell types in 211 male patients with primary lung cancer. Their histologic cell types were: squamous 39%, adenocarcinoma 29%, small cell 18%, and others and not specified 14%. An association was found between histologic cell types and occupations (p < 0.0001), adenocarcinoma being more prevalent in office personnel, teachers, accountants, lawyers, and squamous in the other, supposedly dirtier working environments, mainly in those men who had begun to work in farming and later transferred to mechanics and metallurgy. These latter ones were diagnosed at a younger age than those in other occupations, with a significant difference for squamous and small cell. No differences in the smoking intensity were found between the occupational groups. The mean age these patients began to smoke at was 15 years for those with squamous and small cell, and 17 years for those with adenocarcinoma (p < 0.001). An interesting finding was the difference at their mean-age at diagnosis, 58 years for smokers and 68 for ex-smokers (p < 0.0001). Studies are needed to elucidate the interplay of risk factors in the etiology of histologic subtypes of lung cancer.

[Indexed for MEDLINE]

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