Oral cavity
General
World Health Organization (WHO) 2017 Classification of Tumors of the Oropharynx (base of tongue, tonsils, adenoids)


Topic Completed: 4 June 2020

Minor changes: 4 June 2020

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PubMed Search: WHO Classification of Tumors of the Oropharynx

Kelly Magliocca, D.D.S., M.P.H.
Page views in 2020 to date: 180
Cite this page: Magliocca K. World Health Organization (WHO) 2017 Classification of Tumors of the Oropharynx (base of tongue, tonsils, adenoids). PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavityWHOoropharynx.html. Accessed July 7th, 2020.
Definition / general
  • WHO classification of tumors of the oropharynx (base of tongue, tonsils, adenoids)
  • Currently on 4th edition, published in 2017
WHO (2017)

ICD-O note: The first four digits indicate the specific histological term. The fifth digit after the slash (/) is the behavior code, which indicates whether a tumor is malignant, benign, in situ or uncertain (whether benign or malignant) (WHO: International Classification of Diseases for Oncology, 3rd Edition (ICD-O-3))
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