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Endoscopy is a test that uses a thin, flexible, lighted viewing
instrument (endoscope) to allow a doctor to examine the inside of
organs, canals, and cavities in the body.
Endoscopy can reveal problems that do not show up on X-ray tests
and can sometimes eliminate the need for exploratory surgery. Tissue samples
also may be collected and abnormal growths removed during endoscopy.
Different types of endoscopes can be used to study the sinuses, the
upper digestive tract, the colon, a female's pelvic organs, and other parts of
For example, in an upper gastrointestinal endoscopy, the doctor guides the endoscope down the person's throat to examine the
esophagus, stomach, and the upper part of the small intestine.
Current as of:
August 9, 2016
E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology
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