A barium enema, also known as an enema with contrast material, is a medical test used to examine the colon and rectum. The procedure involves inserting a tube into the rectum to administer a liquid called barium, which is a radiopaque contrast material that allows the colon and rectum to be visualized on X-rays.

Barium is administered into the colon through the tube and allowed to flow into the large intestine. This chemical coats the inner walls of the colon, and several X-rays are taken to examine the colon and rectum. A barium enema exam can detect various conditions, such as polyps, tumors, inflammation, or narrowing in the colon.

The examination may be uncomfortable, but the physician can provide sedation or analgesia to reduce patient discomfort during the procedure. It is important to follow our physicians' instructions to prepare for the examination, such as diet and bowel cleansing before the procedure.

In general, barium enema studies are safe and effective tests for detecting abnormalities in these areas. However, there are other diagnostic methods, such as colonoscopy, that can also be used to examine them.