This comprehensive New Edition describes all of the latest scientific and clinical advances in the field of inflammatory bowel disease (IBD). A new editorial team-joined by a superb group of international authorities-examine every aspect of IBD-including etiology and pathogenesis, diagnosis and evaluation, medical and surgical therapy, and more. A wealth of expanded coverage, additional international contributors, extensive updating throughout, and numerous diagnostic and therapeutic algorithms make this an essential resource. Emphasizes evidence-based medicine in the section on medical therapy. Features a detailed description of inflammatory and immunologic pathways, allowing the reader to fully understand the contributing influences to the inflammation of IBD. Presents separate chapters on molecular genetics and clinical genetics for more in-depth coverage of each aspect of inflammatory bowel disease genetics. Provides a comprehensive review of IBD through abundant, high-quality endoscopic, radiographic, and histologic photographs-placing the various diagnostic modalities in perspective. Offers extensive coverage of postoperative recurrence of Crohn's disease · pouchitis · microscopic colitis · perianal disease · and osteoporosis. Includes up-to-the-minute guidance (including many 2003 references). Features a new editorial team, joined by numerous new contributors who provide fresh, global perspectives. Includes nine new chapters. Offers expanded coverage throughout, and through revisions of all pre-existing chapters. With over 75 additional contributing experts.