Characteristic Ulcerative Colitis Chrons Disease Abdominal cramping Both X Anal abscesses and fistulas X Common recurrence after surgery X Spreads in a continuous pattern X Fatigue X Fever X High incidence of colorectal cancer X Malabsorption X Cobblestone mucosa X Perforation of the bowel X Periods of exacerbation and remission X Presence of diarrhea X Presence of pseudopolyps X Rectal bleeding X C. difficile infection Tenesmus Weight loss X X X