Colonoscope - long, thin and flexible tube with a tiny video camera for taking photos or video of the large intestine (colon). The colonoscope is also able to blow air into the anus to enlarge it, enabling the doctor to have a better view of what is happening inside the colon.

Colonoscope imaging is a more precise diagnosis tool than x-rays or MRI's because they allow the doctors to see the organs directly.

Before the colonoscope is inserted into the patient's colon, patients are sedated and sometimes extra space needs to be cut open for the colonoscope to get through the anus and into the colon. Using the colonoscope, doctors can diagnose a number of problems in the lower end of the digestive tract like colon blockages, infectiosn, injuries, or other diseases.

Small pieces of tissue are often taken from the colon for further testing (biopsy). If colon polyps are found during the procedure, the doctor can remove them during the colonoscopy before the become harmful.

The colonoscope is used in procedures to diagnose the following problems

There are other similar types of imaging devices such as the Duodenoscope, Endoscope, Gastroscope and the Sigmoidoscope, which are all specialized types of testing devices for different parts of the colon.

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