Which GI findings suggest ankylosing spondylitis (AS)?

Updated: Feb 02, 2021
  • Author: Lawrence H Brent, MD; Chief Editor: Herbert S Diamond, MD  more...
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Asymptomatic inflammation of the proximal colon and terminal ileum has been observed in as many as 60% of patients with AS and USpA. Patients with established AS only rarely develop Crohn disease or ulcerative colitis.

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