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 


  1. 1.
    Brownstein M. The benign acanthomas. J Cutan Pathol. 1985;12:172.CrossRefPubMedGoogle Scholar
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    Quan M, Moy R. The role of human papillomavirus in carcinoma. JAAD. 1991;25:698.Google Scholar
  3. 3.
    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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