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Endoscopy is an examination using a tube-like device with a light on the end. A camera at the end of the tube transmits the lighted image before the tube to a TV screen so the the examiner can see the inside of the upper gastrointestinal tract as the tube advances.
Knowledge center. An endoscopy involves examining the inside of a person's body using an endoscope. An endoscope is a medical device consisting of a long, thin, flexible (or rigid) tube which has a light and a video camera. Images of the inside of the patient's body can be seen on a screen.The whole endoscopy is recorded so that doctors can check it again. Endoscopy is a minimally invasive diagnostic medical procedure. It is used to examine the interior surfaces of an organ or tissue.ndoscopy to confirm a diagnosis. An endoscope helps a specialist examine the inside of a person's body. It can also be used to take samples of tissue for biopsy. An endoscopy is often used to confirm a diagnosis when other devices, such as an MRI, X-ray, or CT scan are considered inappropriate.