Sigmoidoscopy (Anoscopy, Proctoscopy)
What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
- Stool in the colon or rectum.
- The structure of the colon, such as a colon that has many turns.
- A Reference barium enema Opens New Window done within a week before sigmoidoscopy.
- You have peritonitis, diverticulitis, toxic megacolon, or you have had recent bowel surgery.
|By:||Reference Healthwise Staff||Last Revised: Reference December 7, 2011|
|Medical Review:||Reference Adam Husney, MD - Family Medicine
Reference Arvydas D. Vanagunas, MD - Gastroenterology