o nflammatory Bowel disease SUN JANYONG DEPARTMENT OF GASTROENTEROLOGY ZHONGSHAN HOSPITAL FUDAN UNIVERSITY
Inflammatory Bowel Disease SUN JIANYONG DEPARTMENT OF GASTROENTEROLOGY, ZHONGSHAN HOSPITAL, FUDAN UNIVERSITY
Inflammatory Bowel Disease (BD) HCrohn's Disease(CD) Ulcerative Colitis(UC) Uncertain colitis
Inflammatory Bowel Disease (IBD) Crohn’s Disease (CD) Ulcerative Colitis (UC) Uncertain Colitis
Epidemiology Rate higher in northern climates and the developed world a Equal incidence between men and women ■ Peak incidence CD 15-35 years by far the commonest UC usually diagnosed prior to 30 years Aggregation in families 25%of patients with CD 20 %of patients with UC a Smoking reduces risk of Uc but increases risk of cd
Epidemiology Rate higher in northern climates and the developed world Equal incidence between men and women Peak incidence CD 15-35 years by far the commonest UC usually diagnosed prior to 30 years Aggregation in families 25 % of patients with CD 20 % of patients with UC Smoking reduces risk of UC but increases risk of CD
Etiology and Pathogenesis
Etiology and Pathogenesis
Etiology and Pathogenesis Environmental factors Genetic easy to infect Fungus in intestines Immune and non-immune system of intestines Immunological reaction and inflammation
Etiology and Pathogenesis Genetic easy to infect Environmental factors Fungus in intestines Immune and non-immune system of intestines Immunological reaction and inflammation