What is nummular dermatitis?

Updated: Aug 16, 2019
  • Author: Jami L Miller, MD; Chief Editor: William D James, MD  more...
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Answer

Nummular (meaning round or "coin shaped") dermatitis or eczema (NE) is an inflammatory skin condition characterized by the presence of well-demarcated round-to-oval erythematous plaques. The term nummular dermatitis has been used both as an independent disease and as a description of lesion morphology that can be found in many different diseases, including atopic dermatitis, contact dermatitis, and asteatotic eczema. This discussion focuses on the disease entity that has been described in the literature. Other names have included discoid eczema or orbicular eczema.


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