Colon Cancer Screening: Don’t Delay It

“It was no big deal. I don’t understand why people stress over it.”

“The procedure itself was totally painless and relatively easy.”

 “It was a piece of cake.”

No, we didn’t pay these 50-something women to give us these comments about their first colonoscopy. All we did was ask them to tell us honestly what it was like. Given the negative perception about colonoscopy, their responses might catch a few readers by surprise. It should also make you think twice about skipping your colorectal screening test. Because the reality is that colorectal cancer is the third leading cause of cancer among women. Since it’s also one of the few cancers we can stop before it even gets started (by removing precancerous polyps found during screening colonoscopies), the idea of missing something so clearly helpful has more than a few experts scratching their proverbial heads. And you don’t have to get a colonoscopy.

Other tests are available, although they, too, are underutilized. The main reason women don’t get recommended colorectal cancer screenings? Their health care professional never suggests it. You’ll never find David Stein, MD, neglecting to mention colorectal screening to a patient. The colorectal surgeon at Drexel University College of Medicine in Philadelphia sees all too often what happens when people neglect their screenings. That’s why Dr. Stein is a big believer in colonoscopy. The statistics are amazing, he says. “About two percent of all colonoscopies pick up a cancer at the time of the test and about 15 percent pick up polyps,” he says. So 17 percent of patients undergoing a colonoscopy—about one in five—will have a finding that will save them from cancer in the first place or a bad outcome if they have cancer. “Colonoscopy probably detects true cancers about one centimeter or larger about 90 to 93 percent of the time,” he says. And it’s extremely safe.

The worst part of the colonoscopy, many agree, is the prep. For years, that meant drinking a large quantity of a nasty tasting liquid (even though it came in several flavors), designed to “empty you out.” Today, however, depending on the recommendation from your colonoscopist, you may only need to take a handful of pills. You’ll still spend a few hours in the bathroom, but at least you don’t have to choke down that awful liquid. Plus, two of the other three screening tests for colon cancer (flexible sigmoidoscopy and double contrast barium enema) also require a bowel prep and neither is as sensitive as the colonoscopy. And here’s the irony: If they show polyps or cancers, you’ll still need a colonoscopy to evaluate and/or remove them for evaluation.

The one test that doesn’t require prep is a fecal occult blood test. With this test, you collect stool samples, which are tested for breakdown products of blood in stool. You have to abstain from iron pills, red meat or broccoli before the test, and it still has a high rate of false positives. Plus, you have to do it three times. “Fecal occult blood tests probably pick up problems 50 to 60 percent of the time,” says Dr. Stein, which, of course, means it misses about half of all cancers. And if it’s positive, you still need a colonoscopy.

A newer stool test evaluates the stool for DNA from the most common mutations found in colon cancer and large polyps. That test, Dr. Stein says, is about 85 percent effective. However, it’s still considered experimental and most insurances do not cover it. One day, Dr. Stein predicts, colonoscopy will take a back seat to an improved DNA fecal occult blood test, or to a virtual colonoscopy, in which your colon is examined via a CT or MRI. Right now, however, you still have to do a colon prep for an MRI or CT, and they’re not covered by insurance either unless you cannot undergo colonoscopy for some reason. And you face the same issue with the virtual colonoscopy as you do with any other non-colonoscopy test: If it finds something suspicious, you still need a colonoscopy to remove the “something” for testing.

For more information on the health topics mentioned in this article visit the HealthyWomen.org areas below.

Colon cancer: www.healthywomen.org/condition/colon-cancer

Cancer: www.healthywomen.org/healthcenter/cancer

© 2011 HealthyWomen. All rights reserved. Reprinted withpermission from HealthyWomen. 1-877-986-9472 (toll free). On the Web at:www.HealthyWomen.org.

9 Responses to Colon Cancer Screening: Don’t Delay It

  1. A colonoscopy is certainly not pleasant, however a necessary evil for diagnostic purposes.

  2. mike says:

    This is very useful information my father passed from c cancer and we are now getting checked regularly

  3. Thanks for providing such a good information

  4. I have to say. The chances of cancer detection are 50-50 and people usually don’t tend to re test once they get negative result. But they may surely opt for a retest in case of a positive one. id surely like to hear more from you.

  5. rawcare says:

    Colon cancer detection is really a serious issue. Thanks for sharing.
    Id like to subscribe to your blog.

  6. siriousfails says:

    Any type of disease not will be underestimate like this type of cancer. We will be more conscious about colon cancer.
    siriousfails

  7. Colon-cancer and heart disease is one of the top diseases killing America. One really should not delay colon-cancer screening so it can be caught before it’s too late.

  8. Great post, thanks for sharing!!!😀

  9. noris says:

    i can’t understand why people are so afraid of these tests. an early test could save your life fi the disease is present, so why wait?
    my 2c

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