A doctor uses a tool called a sigmoidoscope to look at the sigmoid colon (the last section of the bowel) and the rectum, removing any visible polyps. This is different from a colonoscopy because a colonoscopy allows the doctor to see the entire large intestine.

Because less than half of the large intestine and all of the rectum can be seen with this method, they are often done in combination with the gFOBT or FIT to test for blood in the stool. Prior to this procedure, an enema is done to clean out the lower part of the colon and the rectum.

  • Repeat every five years or in combination with FIT or gFOBT, If normal.
  • Performed at outpatient surgical center or hospital.
  • Enema is done prior to procedure.
  • This test does not visualize the entire colon, so it is not as thorough as a traditional colonoscopy.

Most people are good candidates. Discuss this option with your physician to determine if it is appropriate for you.