Sigmoidoscopy: The Procedures

What does it consist of?

Sigmoidoscopy is a procedure that consists of a sigmoidoscope being introduced into the lower 1/3 of the colon. This is usually done through the rectal opening. You will be given an instruction sheet on proper preparation of your colon for this procedure which includes fasting and usage of enemas. The sigmoidoscope is introduced through your rectum as far as 60 centimeters. After that it is slowly withdrawn and the colon is observed for any signs of malignancies, bleeding spots, polyps of diverticulae.

Is it safe?

Yes, this procedure is well tolerated by most patients. When the procedure is done, on occasion you may feel some cramping and the feeling of being bloated. Very rarely are there complications with this procedure. Complications may include bleeding after the procedure (very rare) and perforation (extremely rare). Most commonly patients will have a feeling of crampiness and being bloated for at least a day or two after the procedure is done.

Will I know the results?

After the procedure, the doctor will have a quick meeting with you and review the results of the sigmoidoscopy. On occasio, espacially when certain polyps are found, you might need to be referred to a gastrointestinal specialist for a longer procedure called a colonoscopy. The colonoscopy is usually done under anesthesia and it would look into the entire length of the colon.

If you have any questions, be sure to address them with your doctor before the procedure is done.

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