BD Incidence 10 Ulcerative colitis Incidence 6 per 10 Crohn's disease ( olmstead County, MN) 194019501960197019801993 Loftus EWJet al. Gastroenterology 1998; 114: 1161 Loftus evj et al. Gut 2000: 46: 336
Etiologic Theories in Inflammatory bowel Disease Mucosal Immune Genetic System Predisposition BD(Immuno-regulatory Defect Environmental Triggers (Lumenal Bacteria, Infection)
Etiologic Theories in Inflammatory Bowel Disease Mucosal Immune System (Immuno-regulatory Defect) Environmental Triggers (Lumenal Bacteria, Infection) Genetic Predisposition IBD