Immunohistochemistry in the diagnosis of cutaneous neoplasms

Mai P Hoang1, Meera Mahalingam, M Angelica Selim

  • 1Harvard Medical School, Massachusetts General Hospital, 55 Fruit Street, Warren 820, Boston, MA 02114, USA. mhoang@partners.org

Insights

Diagnostic immunohistochemical stains are increasingly vital for dermatopathology. This review covers current and emerging stains for diagnosing and classifying skin tumors.

Area of Science:

  • Dermatopathology
  • Oncology
  • Immunohistochemistry

Background:

  • Immunohistochemistry (IHC) is crucial in diagnosing and managing skin neoplasms.
  • The availability of diagnostic IHC stains has significantly increased.
  • IHC aids in treatment and prognostication of cutaneous neoplasms.

Purpose of the Study:

  • To review current and novel immunohistochemical stains used in dermatopathology.
  • To outline the relevance of these stains in diagnosing and classifying skin tumors.

Main Methods:

  • Literature review of diagnostic immunohistochemical stains.
  • Focus on stains relevant to cutaneous neoplasms.

Main Results:

  • Significant increase in available diagnostic IHC stains.
  • IHC is indispensable for diagnosis, treatment, and prognosis in dermatopathology.

Conclusions:

  • IHC stains are essential tools for dermatopathologists.
  • Review provides an overview of key stains for skin neoplasm diagnosis and classification.