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:
There are few risks. If a biopsy is needed, there is a slight risk of bleeding and mild pain.