Which histological findings are characteristic of rosacea?

Updated: Aug 14, 2018
  • Author: Agnieszka Kupiec Banasikowska, MD; Chief Editor: William D James, MD  more...
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Answer

Histologic findings include the following:

  • Nonpustular lesions show a nonspecific perivascular and perifollicular lymphohistiocytic infiltrate, accompanied by occasional multinucleated cells, plasma cells, neutrophils, and eosinophils
  • Papulopustular lesions demonstrate more pronounced granulomatous inflammation and sometimes perifollicular abscesses
  • Demodex folliculorum may be abundant in nearby follicles

See Workup for more detail.


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