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Alternative namesProctoscopy; Proctosigmoidoscopy
An internal examination of the rectum, distal sigmoid colon, and large bowel using a type of small camera (flexible sigmoidoscope).
How the test is performed
During the test, you wear a hospital gown so that the lower half of your body is exposed. You are positioned on your left side with your knees drawn up toward your chest.
How to prepare for the testYou must sign an informed consent form. You will wear a hospital gown.
On the morning of the procedure, eat a light breakfast and then use a cleansing enema about 1 hour before the sigmoidoscopy.
Infants and children:
The physical and psychological preparation you can provide for this or any test or procedure depends on your child's age, interests, previous experiences, and level of trust. For specific information regarding how you can prepare your child, see the following topics as they correspond to your child's age:
How the test will feel
There will be pressure when the scopes or fingers are introduced into your rectum. There will be a feeling of the need to defecate during the procedure. There may be some bloating or cramping from distention of the bowel by air or stretching by the sigmoidoscope. Biopsies cause no discomfort.
Why the test is performed
This test can help diagnose:
This test can also be used to:
Normal ValuesThe lining of the sigmoid colon, rectal mucosa , rectum, and anus appears normal in color, texture, and size.
What abnormal results meanAbnormal results can indicate:
What the risks are
There is slight risk of bowel perforation (hole) and bleeding at the biopsy sites (the overall risk is approximately 1 out of 1,000).
Update Date: 5/1/2002Jenifer K. Lehrer, M.D., Department of Gastroenterology, Graduate Hospital, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT