ESOPHAGOGASTRODUODENOSCOPY (EGD) An upper gastrointestinal (UGI) endoscopy is a procedure that allows a doctor to look at the interior lining of the esophagus, stomach, and the first part of the small intestine (duodenum) through a thin, flexible viewing instrument called an endoscope. The tip of the endoscope is inserted through the mouth and then gently moved down the throat into the esophagus, stomach, and duodenum (upper gastrointestinal tract). Since the entire upper gastrointestinal (GI) tract can be examined during this test, the procedure is sometimes called esophagogastroduodenoscopy (EGD). Using the endoscope, the doctor can look for ulcers, inflammation, tumors, infection, or bleeding. Tissue samples can be collected (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 it can sometimes eliminate the need for exploratory surgery. In medicine (gastroenterology), Esophagogastroduodenoscopy is a diagnostic endoscopic procedure that visualizes the upper part of the gastrointestinal tract up to the duodenum. It is considered a minimally invasive procedure since it does not require an incision into one of the major body cavities and does not require any significant recovery after the procedure (unless sedation or anesthesia has been used). A sore throat is also common.
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