What is the presentation of erythema nodosum in Crohn disease?

Updated: Jul 26, 2019
  • Author: Leyla J Ghazi, MD; Chief Editor: Praveen K Roy, MD, AGAF  more...
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The lesions of erythema nodosum are raised, red, tender nodules that appear primarily on the anterior surfaces of the lower leg. These ulcers can be either solitary or multiple and either unilateral or bilateral, and they can range in size from several centimeters to distribution along an entire limb.

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