What are the histologic findings of crusted scabies?

Updated: Oct 13, 2020
  • Author: Megan Barry, MD; Chief Editor: Dirk M Elston, MD  more...
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Crusted scabies demonstrates massive hyperkeratosis of the stratum corneum, with innumerable mites in all stages of development. Psoriasiform hyperplasia of the underlying epidermis with spongiotic foci and occasional epidermal microabscesses is present. The dermis shows a superficial and deep, chronic inflammatory infiltrate with admixed interstitial eosinophils.

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