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Why is diagnostic colonoscopy done?
Diagnostic colonoscopy is a procedure done to examine the inside of the entire large intestine from the lowest part, the rectum, all the way up through the colon to the lower end of the intestine, in order to detect and diagnose inflamed tissue, abnormal growths, ulcers and bleeding.
How is diagnostic colonoscopy done?
- The patient is given a mild sedative and made to lie on his left side.
- A long, flexible lighted tube with a camera attached at its end called a colonoscope is inserted into the rectum and guided into the colon.
- Air is introduced into the scope to inflate the colon and permit a better view.
- Any abnormalities such a polyp or inflamed tissue is partially or completely removed with the aid of tiny forceps passed through the channel in the scope and sent for biopsy.