Cancer Incidence among Icelandic Pesticide Users

Zhong Y (Institute of Occupational Medicine, Chinese Academy of Preventive Medicine, Beijing, People's Republic of China) and Rafnsson V. Cancer Incidence among Icelandic pesticide users. International Journal of Epidemiology 1996; 25: 1117–1124; Background This study was done to examine the ca...

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Bibliographic Details
Published in:International Journal of Epidemiology
Main Authors: ZHONG, YUNA, RAFNSSON, VILHJÁLMUR
Format: Text
Language:English
Published: Oxford University Press 1996
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Online Access:http://ije.oxfordjournals.org/cgi/content/short/25/6/1117
https://doi.org/10.1093/ije/25.6.1117
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Summary:Zhong Y (Institute of Occupational Medicine, Chinese Academy of Preventive Medicine, Beijing, People's Republic of China) and Rafnsson V. Cancer Incidence among Icelandic pesticide users. International Journal of Epidemiology 1996; 25: 1117–1124; Background This study was done to examine the cancer risk among pesticide users in Iceland. Methods We have followed a cohort of 2449 licensed pesticide users, students from a horticultural college, members of a pension fund for market gardenrs, horticulturists and vegetable farmers up until the end of 1993 In the Icelandic Cancer Registry of cancer incidence. The observed number of cancers was compared with expected values calcualted on the basis of cancer incidence for males and females in Iceland. Results The standardized incidence ratio (SIR) for all cancer sites was 0.80. Among females the increased incidence for cancer of lymphatic and haematopoietic tissue was significant (SIR = 5.56, 95% confidence interval (CI) 1.12–16.23). The incidence of rectal cancer was three times that expected (SIR = 4.63, 95% CI: 1.49–10.80). All cancers of the rectum were adenocarcinoma, however, one was adenocarcinorna in villous adenoma and one adenocarcinoma in tubulo-villous adenorna. Conclusion The results provide some support for the suggestion that pesticide exposure may lead to cancer of the lymphatic and haematopoietic tissue in females. We suggest that some of the pesticides to which the licensed pesticide users were exposed may lead to rectal cancer.