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How is a sigmoidoscopy used to diagnose inflammatory bowel disease?

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In this procedure, a doctor uses a sigmoidoscope, a narrow, flexible tube with a camera and light, to visually examine the last one-third of your large intestine, which includes the rectum and the sigmoid colon. The sigmoidoscope is inserted through the anus and the intestinal wall is visually examined for ulcers, inflammation, and bleeding. The doctor may also take samples -- biopsies -- of the intestinal lining with an instrument inserted through the tube. These will then be examined in a laboratory under a microscope.

Reviewed by Minesh Khatri on September 16, 2019

Medically Reviewed on 9/16/2019

SOURCE: 
National Digestive Diseases Information Clearinghouse, National Institutes of Health.
FDA. “FDA approves Inflectra, a biosimilar to Remicade.” “FDA approves Amjevita, a biosimilar to Humira.”
Crohn's & Colitis Foundation of America."Maintenance Therapy." "What is Crohn's Disease?" "What is Ulcerative Colitis?"
 

Reviewed by Minesh Khatri on September 16, 2019

SOURCE: 
National Digestive Diseases Information Clearinghouse, National Institutes of Health.
FDA. “FDA approves Inflectra, a biosimilar to Remicade.” “FDA approves Amjevita, a biosimilar to Humira.”
Crohn's & Colitis Foundation of America."Maintenance Therapy." "What is Crohn's Disease?" "What is Ulcerative Colitis?"
 

Reviewed by Minesh Khatri on September 16, 2019

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How is a colonoscopy used to diagnose inflammatory bowel disease?

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