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What are colon polyps?

Colon polyps are one of the most common colorectal conditions and can occur in 15 to 40 percent of adults. African Americans have a higher risk of large polyps compared to whites.

Folks should begin screening via a colonoscopy for colorectal cancer soon after turning 45, then continue getting check ups at regular intervals. The decision to be screened between ages 76 and 85 should be made on an individual basis. If you are older than 75, talk to your doctor about screening. People at an increased risk of getting colorectal cancer should talk to their doctor about when to begin screening, which test is right for them, and how often to get tested.

After a colonoscopy, a doctor might inform you that polyps had been discovered during the procedure, but how many of us really know what they are exactly?

What are colon polyps?

Colon polyps are abnormal growths that can occur anywhere in the large intestine or rectum but are more commonly found in the left colon, sigmoid colon, or rectum.

“Most polyps remain small and harmless (hyperplastic polyps and inflammatory polyps). But some develop other abnormalities and begin to grow unchecked – these are called adenomatous polyps which are pre-cancerous that have the potential to become cancerous. Given enough time to grow and develop, some adenomatous polyps can spread into surrounding tissues and infiltrate the two highway systems of the body: the bloodstream and the lymph nodes. This ability to invade and spread, or metastasize, is how we define a cancer,” explains Todd Crocenzi, M.D. is an oncologist in Portland, Oregon and is affiliated with multiple hospitals in the area, including Providence Milwaukie Hospital and Providence Newberg Medical Center.

Dr. Crozenzi wants to ensure that upon hearing the word, “polyp” that folks do not panic.  “Most polyps – even the adenomatous type – do not turn into cancer!”

What are the risk factors?

Anyone can get polyps, but there are those who are more prone to them:

Symptoms

Many people with polyps typically do not have symptoms. Polyps might be discovered during a testing procedure for another diagnosis. When there are symptoms present, however, someone can experience:

How are polyps diagnosed?

Various screening tests can be done in finding polyps before they become dangerous:

Colonoscopy: a long thin flexible tube is snaked up through your rectum and into the large intestine with a camera on the end that can show what is going on inside; it also has a tool that can snip off a polyp

Sigmoidoscopy: a long thin flexible tube that is again snaked through the rectum to look at the last third of the sigmoid colon

CT Scan: a tube that will take X-rays and pictures of the large intestine, but this is usually followed up by a colonoscopy

Barium Enema: barium is inserted into the rectum, and the large intestines are viewed via X-ray

Stool Test: a patient will provide a stool sample that will be sent for further testing; if a stool sample is positive, a colonoscopy will be scheduled

What happens if you have a polyp?

Once a polyp is discovered it will need further evaluation. Most polyps are removed during a colonoscopy. A physician will determine how frequently you will need a colonoscopy and they will base their decision on the colonoscopy findings and your risk factors.

Can polyps be prevented?

Unfortunately, no one really knows what causes polyps, but you may be able to reduce your risk of developing them if you:

Can polyps make a comeback?

If a polyp is removed, it is rare for it to appear again in the very same spot where it was removed. Polyps can, however, return at another location. New ones can develop in at least 30 percent of people who have had polyps previously.

 

 

Need more info about polyps?  Contact the American Cancer Society–www.cancer.org

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