Case 1: A 25 year-old-patient with isolated ileal cecal valve Crohn’s disease Case 2: A 45-year-old patient with ileal pouch and cuff high-grade dysplasia Case 3: A 39-year-old patient with ileostomy, diverted colon for Crohn’s disease, and perianal hidradenitis Case 4: A 62-year-patient with diffuse small and large bowel edema after ileocolonic resection for Crohn’s disease