What are the direct visualization screening tests for colon cancer?

Updated: Apr 15, 2020
  • Author: Tomislav Dragovich, MD, PhD; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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Direct visualization screening tests and intervals are as follows:

  • Colonoscopy, every 10 years
  • Computed tomographic (CT) colonography, every 5 years
  • Flexible sigmoidoscopy, every 5 years
  • Flexible sigmoidoscopy with FIT; sigmoidoscopy every 10 years, with FIT every year

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