Anoscopy is a method to view the anus, anal canal, and lower rectum.
A digital rectal exam is done first. Then, a lubricated instrument (anoscope) is placed a few inches into the rectum. You will feel some discomfort when this is done.
The anoscope has a light on the end, so the health care provider can see the entire anal canal. A specimen for biopsy can be taken if needed.
You may receive a laxative, enema, or other preparation before the procedure so that you can completely empty your bowels.
There will be some discomfort during the procedure, and you may feel the need to have a bowel movement. You may feel a pinch when a biopsy is taken.
This test may be used to determine whether you have:
The anal canal appears normal in size, color, and tone. There is no evidence of bleeding, polyps, hemorrhoids, or other abnormal tissue.
Abnormal results may include:
- Polyps (non-cancerous or cancerous)
There are few risks. If a biopsy is needed, there is a slight risk of bleeding and mild pain.
Review Date: 10/20/2008
Reviewed By: Christine Lee, MD, Department of Surgery, Marin General Hospital, Greenbrae, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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