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What is a Sigmoidoscope?

There are two types of sigmoidoscopy, flexible sigmoidoscopy, which uses a flexible endoscope, and rigid sigmoidoscopy, which uses a rigid device. Flexible sigmoidoscopy is today generally the preferred procedure.

Flexible sigmoidoscope attached to the light and air source.

A rigid sigmoidoscope showing the obturator removed, the inflator, and the light source.