What is the role of a skin biopsy in the workup of nummular dermatitis?

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

A skin biopsy may be performed. The findings are nonspecific, but they may help differentiate nummular dermatitis from tinea corporis, psoriasis, a fixed drug eruption, or cutaneous T-cell lymphoma.


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