What causes wounds associated with erythema ab igne (EAI)?

Updated: Apr 24, 2020
  • Author: Brian J Daley, MD, MBA, FACS, FCCP, CNSC; Chief Editor: Zubin J Panthaki, MD, CM, FACS, FRCSC  more...
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Answer

Excessive exposure to infrared radiation, which induces repeated or persistent skin hyperthermia of 43-47°C, may cause erythema ab igne. Patients with this skin condition present with telangiectasia, erythematous patches, scaling, and hyperpigmentation.


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