Flexible Sigmoidoscopy

A flexible sigmoidoscopy is an exam used to inspect the lower part of the large intestine. A thin, flexible tube, called a sigmoidoscope, with a tiny video camera at the tip is inserted into the rectum, allowing the physician to view the inside of the rectum and most of the sigmoid colon. This exam is crucial in the prevention and early detection of colon cancer and the diagnosis of other colon diseases.