Sigmoidoscopy is a procedure in which a doctor looks in your large intestine. A length of flexible tube connected to a fiberoptic camera is used. A light is transmitted through the scope to the tip by a bundle of light fibers. The doctor uses this light to look at your intestine through an eyepiece or video screen.
Medically Reviewed by a Doctor on 9/12/2014
Michael J Klevens, MD
Jacob W Ufberg, MD
Scott H Plantz, MD, FAAEM
Francisco Talavera, PharmD, PhD
Thomas Rebbecchi, MD, FAAEM
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