Which histologic findings are characteristics of nail psoriasis?

Updated: Jun 25, 2021
  • Author: Cindy Li, DO; Chief Editor: William D James, MD  more...
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Psoriasis can affect any part of the nail unit. Most changes occur in the nail plate. Histologic findings of nail psoriasis include mild-to-moderate hyperkeratosis, hypergranulosis, serum globules and hemorrhage in the corneum layer, papillomatous epidermal hyperplasia, and spongiosis.

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