How is perifolliculitis defined?

Updated: Oct 08, 2020
  • Author: Elizabeth K Satter, MD, MPH; Chief Editor: Dirk M Elston, MD  more...
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Perifolliculitis, on the other hand, is defined as the presence of inflammatory cells, usually lymphocytes, within the perifollicular tissues with focal extension into the adjacent reticular dermis. Folliculitis and perifolliculitis can occur independently or together as a result of follicular disruption and irritation.

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