How often do dermatologic extraintestinal manifestations (EIMs) occur in Crohn disease?

Updated: Jul 26, 2019
  • Author: Leyla J Ghazi, MD; Chief Editor: Praveen K Roy, MD, AGAF  more...
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Dermatologic EIMs occur in 2-34% of Crohn patients, with erythema nodosum the most common manifestation. Erythema nodosum is more common in Crohn disease than in ulcerative colitis and usually follows the course of the disease. This condition affects 3% of pediatric patients with Crohn disease and is less frequent than in adults. Approximately 75% of patients with erythema nodosum ultimately develop arthritis.

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