胃腸および消化器系

抽象的な

Inflammatory Bowel Disease Associated Colorectal Neoplasia

Michelle Vu, Jyh-Yau Chang, Jeremy Chen and David Q. Shih

Patients with ulcerative colitis (UC) or Crohn’s colitis have a greater risk for developing colorectal cancer (CRC). Many studies have described the evolving epidemiology and risk factors for CRC in patients with inflammatory bowel disease (IBD). Recent evidence indicates that the incidence has been decreasing with the advancement of medical and surgical therapies, and surveillance has emerged as the foundation of prevention. Chemoprophylaxis is another area of research; however, given the limited efficacy of these agents, they are only being used in conjunction with endoscopic surveillance. Our ability to formulate effective strategies for the prevention of this dreaded complication expands as more is discovered of the molecular events underlying IBD carcinogenesis. Management strategies are constantly updated as new evidence and endoscopic techniques emerge. In this paper, we review the literature regarding epidemiology, pathogenesis, risk factors and chemoprophylaxis as well as the latest consensus guidelines for management of dysplasia and neoplasia in IBD patients.