9.2720 Endoscopy Endoscopy refers to any procedure, by way of which the inside of the body could be visualized. This is normally done by introducing a tube like apparatus inside the body cavities, like inside the bowels, or lungs, etc. They are either flexible and soft or rigid. There always is a light source inside the scope and a passage to see inside of the body.
Flexible scopes use fiber optics to transmit light and images.
Upper GI Endoscopy refers to visual examination of the esophagus, stomach and upper part of small bowels. Sigmoidoscopy is used to visualize lower part of the large bowel and rectum. A tube is inserted inside the rectum and is advanced into lower part of large bowel. The performing physician can look for any abnormalities and take a biopsy from the abnormal area. Bronchoscopy examines the airways Cystoscopy examines inside of the bladder Laparascopy is visualizing inside of the abdominal cavity.