Sigmoidoscopy is the inspection of the lower part of the large
intestine (colon) using a lighted viewing scope (sigmoidoscope). A doctor can also remove small growths and collect tissue samples (biopsy)
through a sigmoidoscope.
Sigmoidoscopy is most commonly used to screen for colon cancer.
About half of all colon tumors and polyps can be found using
Sigmoidoscopy is done in a hospital or doctor's office
that has the necessary equipment. Preparation for the test includes emptying
the bowels ahead of time using a laxative or enema.