Inclusion Criteria:

- Patients suspicious for active disease:

- Patients with suspected but undiagnosed Crohn's disease

- Patients with serological markers of inflammation (elevated ESR, CRP or
thrombocytosis) but clinically in remission

- Patients with a stricture which might be fibrous in which case surgery is
indicated or inflammatory for which medical management is indicated

- Able to sign a consent form

Exclusion Criteria:

- Pregnancy

- Breastfeeding

- Infectious colitis determined at the initial checkup

- Allergy to iodine contrast