Enteroclysis
Alternate Names : Small Bowel Enema
Definition
Enteroclysis is a fluoroscopic (real-time) type of X-ray of the small intestine. A barium-based liquid contrast material is infused through a tube from the nose or mouth, through the esophagus, and through the stomach until the tip reaches the duodenum (beginning of the small intestine).
X-rays are a form of electromagnetic radiation, as is light. They have higher energy than light, however, so they can penetrate the body to form an image on film. Structures that are dense appear white, areas that are less dense will appear black, and other structures will be shades of gray. The barium contrast used for this test is dense and can be seen clearly on X-ray.
The pictures in an enteroclysis study are displayed on a fluoroscopic monitor (similar to a television screen) in "real time" as the contrast moves through bowel structures. Periodic still pictures are taken as well.
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Why is the Test Performed?
This test is performed to examine the small bowel and may identify lesions that had been seen on prior upper GI (gastrointestinal) X-ray series. It is the most complete means of demonstrating that the small intestine is normal if an abnormality is suspected.
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