1. Crohn Disease: Epidemiology, Diagnosis, and Management
Joseph D. Feuerstein, MD, Adam S. Cheifetz, MD 
Mayo Clinic Proceedings 
Volume 92, Issue 7, Pages (July 2017)
DOI: /j.mayocp
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2. Figure 1 Crohn granuloma.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2017 Mayo Foundation for Medical Education and Research Terms and Conditions

3. Figure 2
A, Phlegmon (black arrows) from Crohn disease. B, Hyperenhancing mural thickening (red arrows) associated with active inflammation from Crohn disease.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2017 Mayo Foundation for Medical Education and Research Terms and Conditions