Benign Epidermal Tumors

  • Michael B. Morgan


  • EPIDEMIOLOGY: VV-Common, SK-Common, CCA-Uncommon.

  • ETIOLOGY: VV-HPV infection, SK-Unknown, CCA-Phosphorylase deficiency.

  • PATHOLOGY: VV-Digitate squamous proliferation with hypergranulosis and koliocytes, SK-Hyperkeratosis with acanthosis and horn cysts, CCA-Clear cell acanthosis with neutrophilic infiltration.

  • CLINICAL: PVV-Hyperkeratotic flat or popular neoplasm, SK-Hyperpigmented patch or plaque, CCA-Sticky papule.


Renal Transplant Patient Epidermal Hyperplasia Cutaneous Malignancy Benign Entity Seborrheic Keratosis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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    Witkowski J, Parish L. Clear cell acanthoma. Int J Dermatol. 1979;18:162.CrossRefPubMedGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Michael B. Morgan
    • 1
  1. 1.Bay Area Dermatopathology Ameripath, and Director of Primary Care Institute, Dermpath DiagnosticsUniversity of South Florida College of Medicine, and Director, Dermatopathology, Haley V.A. Hospital, and Managing DirectorTampaUSA

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