What etiologic factors have been proposed for granuloma annulare?

Updated: Oct 29, 2018
  • Author: Ruby Ghadially, MBChB, FRCP(C)Derm; Chief Editor: William D James, MD  more...
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Answer

Granuloma annulare has been hypothesized to be associated with tuberculosis, insect bites, trauma, sun exposure, thyroiditis, vaccinations, and viral infections, including HIV, Epstein-Barr virus, hepatitis B virus, hepatitis C virus, and herpes zoster virus. However, these suggested etiologic factors remain unproven.


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