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Nonmelanoma skin cancer incidence in the inhabitants of Bielsko-Biała subregion in Silesia Voivodeship in the years 1999–2005

By Małgorzata Juszko-Piekut, Aleksandra Moździerz, Zofia Kołosza, Dorota Olczyk and Jerzy Stojko


Background. Our earlier studies, on incidence rates\ud of non-melanoma skin cancers in the inhabitants of Silesia\ud Voivodeship between 1999 and 2003, confirmed\ud a steady increase of incidence rates in both genders. An\ud average annual increase in non-melanoma skin cancers\ud incidence rates between 1999 and 2003 was 4.2% and\ud 4.8% for men and women, respectively. Higher incidence\ud rates of non-melanoma skin cancer in inhabitants of regions\ud with intensive solar irradiation suggest that a total\ud dose of UV radiation may have an important impact on\ud the development of skin cancer. The aim of this study\ud was to evaluate the incidence rates of non-melanoma\ud skin cancers in the inhabitants of a mountain area of\ud Silesia Voivodeship in the years 1999–2005. Material\ud and methods. The incidence data was provided by the\ud Silesia Cancer Registry. The incidence rates were estimated\ud by calculating age-specific and standardized rates using direct method and the “the world population” as a standard,\ud and a cumulative risk. Results. The non-melanoma\ud skin cancers incidence rate in Bielsko Biała subregion is\ud higher than in other parts of Silesia Voivodeship. There\ud are also significant differences between the incidence\ud rates of basal cell and squamous cell carcinomas, which\ud are unfavorable for the inhabitants in this subregion.\ud A cumulative risk shows that the risk of cancer development\ud is higher for the inhabitants in Bielsko Biała subregion.\ud The number of cancer cases is significantly increasing\ud after the age of 50, and the largest number of\ud patients is recorded in the oldest age groups. Conclusions\ud High incidence rate in inhabitants of the mountain area\ud of Upper Silesia proves that intensive UV irradiation can\ud induce the development of non-melanoma skin cancers\ud as well as both leading histological types of cancer under\ud study

Topics: males, females, non-melanoma skin cancer incidence, Bielsko-Biała subregion in Silesia Voivodeship, Environmental technology. Sanitary engineering, TD1-1066, Medicine, R
Publisher: Institute of Occupational Medicine and Environmental Health
Year: 2014
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