Colorectal cancer causes: Difference between revisions
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Revision as of 20:57, 11 September 2012
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Colorectal cancer Microchapters |
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Colorectal cancer causes On the Web |
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Risk calculators and risk factors for Colorectal cancer causes |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Many times, doctors do not know what the direct cause of colon cancer is. The cancer develops as it does with many other forms of cancer. Healthy, normally dividing cells of colon begin to continue dividing even when new cells are not needed. These growths from the new cells can become cancerous over time.
Causes
- Polyps
- These are pre-cancerous cells that can appear mushroom shaped. It is important to have polyps removed before they have a chance to become cancerous
- Hereditary nonpolyposis colorectal cancer (HNPCC)
- HNPCC can cause the development of colon cancer before the age of 50.
- Increases risk of other cancers not just colon cancer.
- It can be detected by genetic testing.
- Smoking
- There is a controversial link between smoking and colon cancer.
- Studies have shown that smoking does cause the likelihood of the development of colorectal polyps doubles. [1]
- From a reported 19 studies, one group was able to compile the following data.[1]
- In 100,000 smokers,there were 65.5 cases of colon cancer
- In 100,000 non smokers, there were 54.7 cases.
References
- ↑ 1.0 1.1 Botteri E, Iodice S, Bagnardi V, Raimondi S, Lowenfels AB, Maisonneuve P (2008). "Smoking and colorectal cancer: a meta-analysis". JAMA : the Journal of the American Medical Association. 300 (23): 2765–78. doi:10.1001/jama.2008.839. PMID 19088354. Retrieved 2011-12-12. Unknown parameter
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