Endoscopy
Definition
An endoscope is a medical device consisting of a camera mounted on a flexible tube. Small instruments can be used to take samples of suspicious tissues through the endoscope.
In gastrointestinal endoscopy, this device is inserted through the mouth or anus. For other areas, small incisions are made.
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Why is the Test Performed?
An endoscopy may be performed for a variety of signs and symptoms, including bleeding, pain, difficulty swallowing, and a change in bowel habits. Exams of the colon may also be performed to screen for colon polyps and colon cancer.
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