What are risk factors for the formation of epidermal inclusion cysts (EIC)?

Updated: Sep 17, 2020
  • Author: Linda J Fromm, MD, MA, FAAD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Studies have suggested that human papillomavirus (HPV) and exposure to ultraviolet light (UV) may play a role in the formation of some epidermoid cysts, particularly verrucous cysts with coarse hypergranulosis. [16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]


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