1. Colonoscopy is an examination where Dr. Ayman Abdel Hamid looks into the colon, sometimes called the large intestine.
2. This procedure allows the entire large intestine to be looked at, from the lower part of the rectum all the way to the colon and up to the lower end of the intestine.
3. It is used to diagnose the causes of changes in the intestines and is also used to look for early signs of cancer in the colon and rectum.
4. During the procedure, an endoscope is used, which is a thin, flexible telescope that is passed into the colon through the anus and can be advanced all the way down the colon.
5. The endoscope has a light channel that provides light so we can see inside the colon and it also has a side channel so we can take small samples or biopsy from inside the colon.