October we recognize Breast
Cancer Awareness month. I love seeing the husky NFL players with flashes of
pink on their uniforms in support to raise awareness for women to get their mammograms
and to support research cure funding. March is Colon Cancer Awareness month (blue
is our color). I run the Colon Cancer Awareness 15k and support their charity
awareness, but we can only do better to raise the awareness about colorectal
cancer and getting colonoscopy screening. It’s not March, but since we are
thinking about breasts, lets think about our bottoms. As the Colon Cancer
Alliance says “Think Pink. Go Blue. Screen this too.”
Colorectal
cancer is cancer of the colon or rectum. In the US, it is the 3rd most common cancer in
adults and is also the 2nd
most common cause of cancer death. This year, over 142,000 people will be diagnosed with colorectal cancer and an estimated 50,800 will die of the disease.
Factors that increase the risk of
colorectal cancer include family history, long-term presence of IBD, familial
polyposis, adenomatous polyps, and several dietary components. Polyps are
considered precursors of colon cancers. Patterns of dietary practices may be
more predictive of the risk of developing colorectal cancer. These factors
include increased meat, fat, and alcohol intake. Obesity is a major risk.
Protective:
Adequate intake of Vitamin D,
folate, calcium, plant based foods, high fiber grains, omega-3 fatty acids can
be beneficial in prevention as well as the use of aspirin. Nonsteroidal
anti-inflammatory agents have also been shown to help prevent colon cancer, but
benefit of long term use needs to be weighed against the increased risk of
developing stomach or intestinal ulcers as well as major gastrointestinal
bleeding. The use of prebiotics and probiotics reduces toxic and genotoxic
compounds that may contribute to carcinogenesis, and regular use should be
considered for digestive health. Regular exercise as well as limitation of alcohol
is also a good preventative strategy.
Colonoscopy screening:
This procedure involves the
physician inserting a flexible tube with a camera (scope) on the end into the rectum
and advancing the scope around the colon. The physician applies air to fully
inflate the colon while withdrawing the scope back through and at same time
looks at the video images from the scope searching for polyps (pre-cancerous
growths) in the colon. If polyps are seen, they would also be removed at the
same time by biopsy forceps or a cutting wire that is looped over the polyp.
All samples are then sent to a pathologist determine potential cancer risk. The
polyps will either be benign or pre-cancerous. These results will in turn determine
the appropriate timing for a repeat exam. The timing can be 6 months-10 years
(average is 5 years) for a repeat exam, and this can vary depending on personal
and family risk factors, the size of the polyp, the pathology of the polyp and
the quality of the cleaning preparation of the colon.
More than 90% of all colorectal
cancers are found in people who are 50 and older. For this reason, the American
Cancer Society recommends you start getting checked for this cancer when you
are 50. People who are at a higher risk for colorectal cancer—such as those who
have colon or rectal cancer in their families—may need to begin testing when
they are younger. You should ask your primary doctor or your gastroenterologist
the appropriate time to get started.
You can read up further on www.coloncancer.org or www.ccalliance.com
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