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Upper Gastrointestinal Endoscopy - OBGYN Associates

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Upper Gastrointestinal Endoscopy

Upper gastrointestinal (UGI) endoscopy is a test that allows the doctor to look at the interior lining of the upper digestive tract (the esophagus, stomach, and upper end of the small intestine) through a thin, flexible viewing instrument called an endoscope. The tip of the endoscope is inserted through the mouth and then gently advanced down the throat into the esophagus, stomach, and upper small intestine (duodenum).

Through the endoscope, the doctor can look for ulcers, inflammation, tumors, infection, or bleeding. Tissue samples can be collected (for biopsy), polyps can be removed, and bleeding can be treated through the endoscope. Endoscopy can reveal problems that do not show up on X-ray tests and can sometimes eliminate the need for exploratory surgery.

Current as of: October 19, 2023

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.