Colonoscopy and VersedPatientsVille
Colonoscopy Symptoms and Causes
Colonoscopy and sigmoidoscopy are procedures that let your doctor look inside your large intestine. They use instruments called scopes. Scopes have a tiny camera attached to a long, thin tube. The procedures let your doctor see things such as inflamed tissue, abnormal growths, and ulcers.
Colonoscopy checks your entire colon and rectum. Sigmoidoscopy checks the rectum and the lower colon only.
Your doctor may recommend one of these procedures
Your doctor can also remove polyps from your colon during these procedures.
You will get written bowel prep instructions to follow at home before the procedure. The bowel prep cleans out the intestine so your doctor can see everything clearly. During a Colonoscopy, you get medicines to keep you relaxed. You usually do not need them for a sigmoidoscopy.
NIH: National Institute of Diabetes and Digestive and Kidney Diseases
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