Which tests are recommended to detect adenomatous polyps and cancer in colorectal cancer screening, and what is the recommended frequency?

Updated: Oct 08, 2019
  • Author: Elwyn C Cabebe, MD; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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Answer

Answer

Screening options for average-risk adults consist of tests that detect adenomatous polyps and cancer, and tests that primarily detect cancer. Any one of these tests can be used for screening.

Tests that detect adenomatous polyps and cancer, and their recommended frequency, include the following:

  • Flexible sigmoidoscopy every 5 years
  • Colonoscopy every 10 years
  • Double-contrast barium enema every 5 years
  • Computed tomographic (CT) colonography every 5 years

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