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Colon Cancer Current Topics in Colon Cancer

People who undergo colonoscopies can see their colon on TV


Colonoscopy is a technique that allows doctors to visualize the inside of the colon using a magnifying scope. The doctor threads the scope through the length of the colon and a sample of tissue can be taken at any point. The tissue is later examined for cancer and pre-cancerous changes under the microscope. Colonoscopies require sedation, but most people remain awake. If the sedation is mild, they often view the procedure on a TV monitor that is used by the doctor. While some patients find the medicine they must take ahead of time unpleasant, they generally find the colonoscopy itself quite manageable.