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Can Crohn’s disease be found on a colonoscopy?
Sophie Medlin explains that Crohn’s disease in the colon and end of the small bowel can be found on a colonoscopy, but other forms of Crohn’s will need other investigations.
Transcript
Colonic Crohn's in the colon and also Crohn's disease that's in the terminal ileum, so the very last part of the small bowel, can be diagnosed from colonoscopy, but many people have Crohn's disease that's in other parts of their small bowel, which can't be seen on a colonoscopy, so they will need other investigations to diagnose.

