Crohn’s Disease

  • Jacqueline Harrison

Crohn’s disease is an idiopathic inflammatory granulomatous disease that may involve any area of the gastrointestinal tract from the mouth to the anus. It has a bimodal age of onset, with the larger peak occurring in the second and third decades and a smaller peak of onset in the elderly. Males and females are equally affected, with an annual incidence of about 5 per 100,000 in the United States. Ileocolic involvement is the most common pattern affecting patients with Crohn’s disease (41%), followed by isolated ileal disease (29%) and colonic disease (27%). Three percent of patients with Crohn’s disease have isolated anorectal disease. Up to 80% of patients have some form of bowel resection within 10 years of diagnosis.


Ileal Pouch Anal Anastomosis Pyoderma Gangrenosum Subtotal Colectomy Ileorectal Anastomosis Aphthous Ulcer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Jacqueline Harrison
    • 1
  1. 1.Department of SurgeryJohn H. Stroger Hospital of Cook CountyChicagoUSA

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