IBD Mimics Infectious - Always RULE OUT infection (CMV, C. diff esp.) obtain travel & exposures history: • Small intestine / Terminal ileum: Coccidioides, Yersinia, Tuberculosis, Histoplasma, Salmonella • Colon: C. difficile, CMV, Salmonella, Shigella, E. coli, Campylobacter, Aeromonas, Amebiasis (E. histolytica) Non-Infectious: • Granulomas present: Sarcoidosis, Small vessel vasculitides, Hermansky-Pudlak syndrome, CVID (common variable immunodeficiency) • Ulcers in mouth & small/large intestine: Behcet's disease • Colon inflammation: Diverticulitis, SCAD ( segmental colitis associated with diverticulosis), Drug induced colitis (NSAIDS, immuno-therapy), Ischemic colitis, SROS (solitary rectal ulcer syndrome) • Non-specific mucosal changes without chronic inflammation: IBS (irritable bowel syndrome), Cancer (Adenocarcinomas, Gl lymphomas, others) #IBD #inflammatroy #bowel #disease #mimics #mimickers #differential #diagnosis #gastroenterology
