Anoscopy and high-resolution anoscopy

The procedure is usually done in a health care provider's office. A digital anorectal examination (DARE) is done first. Then, a lubricated instrument called an anoscope is placed a few inches or centimeters into the rectum. You will feel some discomfort when this is done. The anoscope has a light on the end, so your…

Often, there is no preparation needed. Or, you may receive a laxative, enema, or other preparation to empty your bowel. You should empty your bladder before the procedure. Your provider may suggest that you avoid anal penetration and anal medicines or products before the procedure.

There will be some discomfort during the procedure. You may feel the need to have a bowel movement. You may feel a pinch when a biopsy is taken. You can usually return to normal activities after the procedure.

This test may be used to determine whether you have: Anal fissures (small split or tear in the lining of the anus) Anal polyps (growth on the lining of the anus) Foreign object in the anus Hemorrhoids (swollen veins in the anus) Infection Inflammation Tumors Abnormal growth of cells (dysplasia) Anal cancer Anoscopy…

The anal canal appears normal in size, color, and tone. There is no sign of: Bleeding Polyps Hemorrhoids Other abnormal tissue

Abnormal results may include: Abscess (collection of pus in the anus) Fissures Foreign object in the anus Hemorrhoids Infection Inflammation Polyps (non-cancerous or cancerous) Tumors or dysplasia

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

Beard JM, Osborn J. Common office procedures. In: Rakel RE, Rakel DP, eds. Textbook of Family Medicine. 9th ed. Philadelphia, PA: Elsevier; 2016:chap 28. Clinicalinfo.hiv.gov website. Guidelines for the Prevention and Treatment of Opportunistic Infections in Adults and Adolescents With HIV.…