Crohns Disease and Ulcerative Colitis

Department of Medicine, Division of Gastroenterology, Inflammatory Bowel Disease Center, Mount Sinai School of Medicine, New York, New York, U.S.A. Clinical Manifestations 299 Crohn's disease (CD) and ulcerative colitis, collectively part of the inflammatory bowel diseases (IBD), are both diseases of the gastrointestinal tract that arise in genetically susceptible individuals. Both CD and ulcerative colitis, though clinically different entities, are thought to be part of a spectrum of diseases...