IBD Diagnosis and Evaluation

Mantaj S. Brar, Helen MacRae

Key Concepts

  • Crohn’s disease may present in a wide variety of ways depending on site of disease and phenotype.
  • Multiple scoring and grading systems are in use to assess disease-related activity.
  • Extraintestinal manifestations are common and may be the presenting sign of diagnosis in ~ 1/4 of patients with IBD.
  • Pathologists are commonly unable to distinguish between UC and CD on endoscopic biopsies.

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Last updated: January 26, 2022