Anoscopy

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Anal biopsy

Anoscopy is a method to view the rectal area, including the anus, anal canal, and lower rectum.

A digital rectal exam is first done to make sure there isn't anything blocking the rectal area. After this is done, a lubricated instrument (anoscope) is placed a few inches into the rectum. You will feel some pressure 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.

A laxative, enema, or other preparation may be given prior to the procedure so that you can completely empty your bowels.

There will be some pressure 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 hemorrhoids, anal polyps, tumors, inflammation, fissures, or infection.

Review Date: 10/16/2006
Reviewed By: J.A. Lee, M.D., Division of Surgery, UCSF, San Francisco, CA. Review provided by VeriMed Healthcare Network.