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  Oct 11, 2018

What is Flexible Sigmoidoscopy?

Flexible sigmoidoscopy (FS) is a medical technique that allows for the visualization of the lining of the gut, specifically the rectum and a part of the colon (up to approximately 60 cm). It is carried out using a sigmoidoscope, a flexible tube approximately the width of a thumb.

It is inserted into the anus and slowly advanced through the rectum and lower part of the colon and has a camera attached to its tip with which images are obtained. Where applicable, biopsies (i.e. tissue samples) may be obtained during the procedure.



Indications for Flexible Sigmoidoscopy

There are a number of reasons why FS may be recommended. Patients with intestinal signs and symptoms, such as bleeding from the