Rectal biopsy

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Anal biopsy

A rectal biopsy is a procedure to remove a small piece of rectal tissue for examination.

Biopsy - rectum

A rectal biopsy is usually part of anoscopy or sigmoidoscopy.

A digital rectal exam is done first. Then, a lubricated instrument (anoscope or proctoscope) is placed into the rectum. You will feel some discomfort when this is done.

A biopsy can be taken through any of these instruments.

You may get a laxative, enema, or other preparation before the biopsy so that you can completely empty your bowels. This will allow the doctor a clear view of the rectum.

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There will be some discomfort during the procedure, and you may feel an urge to have a bowel movement. Cramping or mild discomfort sometimes occurs as the instrument is placed into the rectal area.

A rectal biopsy is used to determine the cause of abnormal growths found during anoscopy, sigmoidoscopy, or other tests. It can also be used to confirm the diagnosis of amyloidosis.

Review Date: 11/01/2010
Reviewed By: Shabir Bhimji MD, PhD, Specializing in General Surgery, Cardiothoracic and Vascular Surgery, Midland, TX. Review provided by VeriMed Healthcare Network. Also reviewed byDavid Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).