Dermatology clinics: what's new in dermatopathology: news in nonmelanocytic neoplasia

Dermatol Clin. 2012 Oct;30(4):623-41, vi. doi: 10.1016/j.det.2012.06.009. Epub 2012 Aug 13.


This article reviews the recent dermatopathology literature involving nonmelanocytic neoplasia, with a focus on important work done over the last 5 years. The discussion includes advances in the understanding of Merkel cell carcinoma pathogenesis and prognosis; changes in the seventh edition of the American Joint Committee of Cancer staging manual in reference to staging of squamous cell carcinoma and Merkel cell carcinoma; newly described or rare histopathologic patterns and entities including squamoid eccrine ductal carcinoma, rippled-pattern adnexal neoplasms, onychomatricoma, spindle cell predominant trichodiscoma/neurofollicular hamartoma, and myoepithelioma; and microsatellite instability in sebaceous neoplasms of Muir-Torre syndrome and other tumors.

Publication types

  • Review

MeSH terms

  • Acanthoma / complications
  • Acanthoma / pathology
  • Adenocarcinoma, Sebaceous / pathology
  • Adenoma / pathology
  • Carcinoma, Merkel Cell / pathology*
  • Carcinoma, Merkel Cell / virology
  • Carcinoma, Squamous Cell / pathology*
  • Carcinoma, Squamous Cell / virology
  • Hamartoma / pathology
  • Humans
  • Keratoacanthoma / pathology
  • Merkel cell polyomavirus*
  • Muir-Torre Syndrome / complications
  • Myoepithelioma / pathology
  • Neoplasm Staging
  • Polyomavirus Infections / pathology
  • Sebaceous Gland Neoplasms / complications
  • Sebaceous Gland Neoplasms / pathology
  • Skin Neoplasms / pathology*
  • Skin Neoplasms / virology*
  • Sweat Gland Neoplasms / pathology
  • Tumor Virus Infections / pathology