Up to 60% of patients with Seronegative Spondyloarthritides have inflammation in the colon or ileum. This is usually asymptomatic, but in 5 to 10% of patients with SA, Frank IBD will develop. Lesions of the bowel could also be present in the SA patients because of the potential injury posed by the NSAIDS, a common used medication in this setting.||It is the bowel involvement in patients with SA that we propose to characterize, partly because there are scant communicated data in the medical literature, especially regarding small bowel lesions.