What is the role of biopsies in the workup of drug eruptions?

Updated: Feb 15, 2019
  • Author: Jonathan E Blume, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Biopsy can be helpful in confirming the diagnosis of a drug eruption (eg, by showing eosinophils in morbilliform eruptions or numerous neutrophils without vasculitis in persons with Sweet syndrome).


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