What are the histologic findings in perioral dermatitis (POD)?

Updated: Nov 13, 2020
  • Author: Hans J Kammler, MD, PhD; Chief Editor: William D James, MD  more...
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Histologic findings are similar to those of rosacea, but the signs of actinic skin damage are generally less intense and vary according to the patient's age. Thus, a lymphohistiocytic infiltrate with perifollicular localization can be expected in all stages. A marked granulomatous inflammation and, occasionally, perifollicular abscesses may be present when pustules and papules are the dominant clinical findings.

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