Oral cavity & oropharynx
WHO classification-oral cavity & oropharynx

Topic Completed: 4 June 2020

Minor changes: 30 December 2020

Copyright: 2020, PathologyOutlines.com, Inc.

PubMed Search: WHO Classification of Tumors of the Oropharynx

Kelly Magliocca, D.D.S., M.P.H.
Page views in 2020: 641
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Cite this page: Magliocca K. WHO classification-oral cavity & oropharynx. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/oralcavityWHOoropharynx.html. Accessed January 22nd, 2021.
Definition / general
  • WHO classification of tumors of the oropharynx (base of tongue, tonsils, adenoids)
  • Currently on 4th edition, published in 2017
WHO (2017) - Oropharynx

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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