Sigmoidoscope Overview

Sigmoidoscope Guide

RightHealthRIGHTHEALTH

  • Summary
  • Definition
  • Other Names
  • How the Test is Performed
  • How the Test will Feel
  • How to Prepare for the Test
  • Normal Results
  • Risks
  • What Abnormal Results Mean
  • Why the Test is Performed
Reviewed By Jenifer K. Lehrer, MD

Definition

Sigmoidoscopy is an internal examination of the lower large bowel (colon), using an instrument called a sigmoidoscope. The sigmoidoscope is a small camera attached to a flexible tube. It is inserted into the colon to examine the rectum, and the sigmoid and descending portions of the colon.


Other Names

Proctoscopy; Proctosigmoidoscopy


How the Test is Performed

During the test, you wear a hospital gown so that the lower half of your body is exposed. You are positioned on your left side with your knees drawn up toward your chest.

A gastroenterologist (a specialist in diseases of the digestive system) will gently insert a gloved and lubricated ...


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Encyclopedia: Sigmoidoscopy

Wikipedia.orgWIKIPEDIA.ORG

Sigmoidoscopy is the minimally invasive medical examination of the large intestine from the rectum through the last part of the colon. 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. Sigmoidoscopy is a very effective screening tool. Sigmoidoscopy is similar but not the same as colonoscopy. Sigmoidoscopy only examines up...


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