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Oral Endoscopic Ultrasound (EUS)

Oral endoscopic ultrasound is a test that allows your doctor to look at the walls of your esophagus, stomach, and upper gastrointestinal tract. The test does not use X-rays or other radiation.

The doctor uses a thin, lighted tube that bends. It's called an endoscope, or scope. The scope has an ultrasound probe and camera at the tip. The doctor gently inserts the scope into your mouth, down the esophagus, and into the stomach to the area to be examined. The scope can take pictures of organs to look for problems in the stomach, liver, gallbladder, pancreas, and the first part of your small intestine, called the duodenum.

Last Revised: September 30, 2010

Author: Healthwise Staff

Medical Review: Kathleen Romito, MD - Family Medicine & Arvydas D. Vanagunas, MD - Gastroenterology

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