What is the role of hilar lymph nodes in erythema nodosum (EN)?

Updated: May 11, 2020
  • Author: Jeanette L Hebel, MD; Chief Editor: William D James, MD  more...
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Hilar adenopathy may develop as part of the hypersensitivity reaction of erythema nodosum. Bilateral hilar lymphadenopathy is associated with sarcoidosis, while unilateral changes may occur with infections and malignancy.

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