Diagnosis of Crohn's disease (CD) is often challenging and ... CD can be limited to the intestine (in most cases the terminal ileum and colon) or affect the perianal region as well.

Background and Aim: Since the diagnostic value of ileoscopy is not well documented, it is uncertain if terminal ileum intubation should be performed routinely in patients undergoing colonoscopy.

Medically reviewed by Ashley Baumohl, RD People with Crohn's disease are at an increased risk of certain nutrient ...

There are two main forms: Crohn s disease, which can affect the entire gastrointestinal tract, but is most common in the colon and terminal ileum; and ulcerative colitis, which is a mucosal ...