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Best Pract Res Clin Gastroenterol. 2017 Aug;31(4):419-424. doi: 10.1016/j.bpg.2017.06.004. Epub 2017 Jun 28.

Epidemiology and risk factors of colorectal polyps.

Author information

1
Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Oslo, Norway; Department of Transplantation Medicine and K. G. Jebsen Center for Colorectal Cancer Research, Oslo University Hospital, Oslo, Norway.
2
Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Oslo, Norway; Department of Transplantation Medicine and K. G. Jebsen Center for Colorectal Cancer Research, Oslo University Hospital, Oslo, Norway. Electronic address: lisemhe@medisin.uio.no.
3
Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Oslo, Norway; Department of Transplantation Medicine and K. G. Jebsen Center for Colorectal Cancer Research, Oslo University Hospital, Oslo, Norway; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Frontier Science Foundation, Boston, MA, USA.
4
Clinical Effectiveness Research Group, Institute of Health and Society, University of Oslo, Oslo, Norway; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Center for Clinical Research, Vårdcentralen Värmlands Nysäter, Värmland County, Sweden.

Abstract

The lifetime risk of colorectal cancer (CRC) in the Western world is around 5%. CRC commonly develops from precursor lesions termed polyps, classified as adenomatous or serrated polyps according to growth pattern. Despite the well-known connection between polyps and cancer, most polyps will never develop into CRC. For those that do, the time until CRC development is generally thought of as >10 years. This gives opportunity for interventional strategies to prevent transformation into cancer. This article aims to provide an overview of the epidemiology of and risk factors for colorectal polyps in the average risk population, and will encompass the effect of age, gender, ethnicity, smoking, obesity, alcohol, physical activity, NSAIDs and dietary factors on colorectal polyps.

KEYWORDS:

Adenomatous polyps; Colonic polyps; Epidemiology; Risk factors

PMID:
28842051
DOI:
10.1016/j.bpg.2017.06.004
[Indexed for MEDLINE]

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