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An endoscopy is a procedure that allows a doctor to examine the inner compartments of the body. The endoscope is a long, thin tube-like instrument with a camera at the end. The doctor inserts this tube into the body and maneuvers it to see inside a specific body part. Endoscopies are considered minimally invasive and usually used as a diagnostic tool. In some cases, they serve a therapeutic purpose, as well.

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1. Upper Gastrointestinal Endoscopy

An upper GI endoscopy examines the lining of the upper GI tract. The doctor inserts the endoscope through the mouth, then through the esophagus, stomach, and into the upper intestine. Upper GI endoscopies investigate many health problems, including bleeding, pain, persistent heartburn, unexplained weight loss, ulcers, blockages, and inflammation. The doctor may also collect a tissue sample for a biopsy or remove growths during this exam.

Upper GI Endoscopy DenGuy / Getty Images
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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.