Sigmoidoscopy (Anoscopy, Proctoscopy)

Anoscopy, Flexible Sigmoidoscopy, Proctoscopy

Results

Anoscopy, proctoscopy, and sigmoidoscopy tests allow your doctor to look at the inner lining of your anus, rectum, and the lower part of the large intestine Click here to see an illustration. (colon).

Your doctor should be able to discuss some of the findings with you immediately after the test. Lab results (such as from a biopsy) may take several days.

Anoscopy, proctoscopy, and sigmoidoscopy
Normal:
  • The lining of the colon appears smooth and pink, with numerous folds.
  • No abnormal growths, pouches, bleeding, or inflammation is present.
Abnormal:

Some of the more common abnormal findings include:

  • Hemorrhoids, which are the most common cause of blood in the stool.
  • Colon polyps Click here to see an illustration..
  • Cancer in the colon Click here to see an illustration..
  • A sore (ulcer).
  • Pouches in the wall of the colon (diverticulosis).
  • Redness and swelling of the lining of the colon (colitis).

 

Your doctor will discuss any significant abnormal results with you in relation to your symptoms and past health.


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Author: Monica Rhodes Last Updated: April 30, 2009
Medical Review: Kathleen Romito, MD - Family Medicine
Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology

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Topic Contents
 Test Overview
 Health Tools Click here to view Health Tools.
 Why It Is Done
 How To Prepare
 How It Is Done
 How It Feels
 Risks
Arrow PointerResults
 What Affects the Test
 What To Think About
 References
 Credits