Cdc – colorectal cancer screening tests


Photo: A doctor with a female patient

The U.S. Preventive Services Task Pressure recommends that adults age 50 to 75 be screened for colorectal cancer. The choice to be screened once you hit 75 ought to be made with an individual basis. If you’re over the age of 75, ask your physician should you be screened. People in an elevated chance of developing colorectal cancer should speak with their doctors about when you should begin screening, which test suits them, and just how frequently to obtain tested.

Several screening tests may be used to find polyps or colorectal cancer. The Job Pressure outlines the next colorectal cancer screening strategies. Speak to your physician about which from the following tests is worth considering.

Stool Tests

  • The guaiac-based fecal occult bloodstream test (gFOBT) uses caffeine guaiac to identify bloodstream within the stool. To control your emotions annually. With this test, you have a test package from your medical provider. In your own home, you utilize a stick or brush to acquire a tiny bit of stool. You come back the exam package towards the physician or perhaps a lab, in which the stool samples are checked for the existence of bloodstream.
  • The fecal immunochemical test (FIT) uses antibodies to identify bloodstream within the stool. It’s also done annually in the same manner like a gFOBT.
  • The FIT-DNA test (also called the stool DNA test) combines body having a test that detects altered DNA within the stool. With this test, you collect a whole bowel movement and send it to some lab to become checked for cancer cells. To control your emotions once everybody or 3 years.
  • Flexible Sigmoidoscopy

    With this test, the physician puts a brief, thin, flexible, lighted tube to your rectum. The physician checks for polyps or cancer within the rectum and lower third from the colon.

    How frequently: Every five years, or every ten years having a FIT each year.


    This is comparable to flexible sigmoidoscopy, except the physician utilizes a longer, thin, flexible, lighted tube to check on for polyps or cancer within the rectum and also the entire colon. Throughout the test, the physician will find and take away most polyps and a few cancers. Colonoscopy is also utilized as a follow-up test contrary unusual is located during among the other screening tests.

    How frequently: Every ten years.

    CT Colonography (Virtual Colonoscopy)

    Computed tomography (CT) colonography, also known as an online colonoscopy, uses X-sun rays and computers to create pictures of the whole colon, that are shown on a pc screen for that physician to evaluate.

    How frequently: Every five years.

    How Do You Know Which Screening Test Suits Me?

    There’s not one “best test” for anybody. Each test has pros and cons. Speak to your physician concerning the benefits and drawbacks of every test, and just how frequently to become tested. Which test to make use of depends on—

    • Your requirements.
    • Your medical problem.
    • The chance you will get the exam.
    • The sources readily available for testing and follow-up.
    • Resourse:

      Screening for Colorectal Cancer: Optimizing Quality (CME). Primary Care Version Part 2