Use of capsule endoscopy to identify lesions suggestive of Crohn's disease in patients with moderate to severe psoriasis

To the Editor: Psoriasis is a common immune-mediated disease that is associated with several comorbidities, including inflammatory bowel disease (IBD). The prevalence of Crohn's disease (CD) in the general population has been reported to range from 214 to 319 cases per 100,000 in the United States and Canada, respectively.1 The relative risk of CD has been reported to be 2 to 4 times higher in patients with psoriasis.2,3 However, the prevalence of subclinical IBD, such as CD, in patients with psoriasis is unknown.

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