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Aetiology

Authoring team

  • the aetiology is unknown. There are reports of granuloma annulare following trauma, malignancy, viral infections (including Herpes zoster, Epstein-Barr virus and HIV), skin bites and tuberculosis skin tests(1)
  • association with diabetes mellitus is controversial
  • condition is usually sporadic, but familial cases have been reported(2)

Reference:

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