Occupational exposures and colorectal cancers: A quantitative overview of epidemiological evidence

doi:10.3748/wjg.v20.i35.12431

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Sep 21, 2014 (publication date) through Apr 26, 2024

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Sep 21, 2014; 20(35): 12431-12444
Published online Sep 21, 2014. doi: 10.3748/wjg.v20.i35.12431

Occupational exposures and colorectal cancers: A quantitative overview of epidemiological evidence

Enrico Oddone, Carlo Modonesi, Gemma Gatta

Enrico Oddone, Department of Public Health, Experimental and Forensic Medicine, Occupational Medicine Unit, University of Pavia, 27100 Pavia, Italy

Carlo Modonesi, Department of Biosciences, Natural History Museum, University of Parma, 43100 Parma, Italy

Gemma Gatta, Department of Preventive and Predictive Medicine, Evaluative Epidemiology Unit , Fondazione IRCCS Istituto Nazionale dei Tumori, 20133 Milan, Italy

Author contributions: Oddone E, Modonesi C and Gatta G contributed equally to this work; Oddone E, Modonesi C and Gatta G designed the research; Oddone E, Modonesi C and Gatta G performed the research; Oddone E, Modonesi C and Gatta G analyzed the data; Oddone E, Modonesi C and Gatta G wrote the paper.

Correspondence to: Enrico Oddone, Assistant Professor, Department of Public Health, Experimental and Forensic Medicine, Occupational Medicine Unit, University of Pavia, Via Severino Boezio 24, 27100 Pavia, Italy. enrico.oddone@unipv.it

Telephone: +39-382-592838 Fax: +39-382-593796

Received: January 27, 2014
Revised: March 21, 2014
Accepted: May 29, 2014
Published online: September 21, 2014

Core Tip

Core tip: The hypothesis that occupational risk factors are associated with colorectal cancer is gaining ground, and high risks of colorectal cancer have been reported among workers in some industrial branches. This study investigated the epidemiologic relationship between colorectal cancer and exposures in several industrial activities, by means of a literature review and meta-analysis. Results pointed out increased risks of colorectal cancer for labourers exposed to chemical compounds, besides workers in the sector of machinery installation exposed to asbestos. Based on our results, the estimated crude excess risk fraction attributable to occupational exposure ranged from about 11% to about 15%.