Descriptive Epidemiology of Cancer of the Larynx in the Province of Torino, Italy

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Abstract
Age-standardized incidence rates of cancer of the larynx in men from 1965–1969 were 14.7/100,000/year in the city of Torino and 8.4 in the non-metropolitan area of the province. These rates are among the highest in Europe. The geographical distribution of cancer of the larynx has been investigated in the non-metropolitan area considering two geographical entities, i.e., the 291 towns and the 12 ecological zones/subzones of the area. The incidence of cancer of the larynx in men was unrelated to the population of towns in 1961, whereas it was positively correlated to indexes of general industrialization as well as to those related to industrialization in the mechanical processes. Tobacco and alcohol consumption have not been taken into account. In order to validate the methodology, the investigation was extended to bladder cancer and to cancer in children. The former was correlated with general and chemical + rubber industrialization, whereas the latter was not correlated with any industrial process.

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