Oral cavity & oropharynx
General
WHO classification-oral cavity & oropharynx
Author: Kelly Magliocca, D.D.S., M.P.H.
Editor-in-Chief: Debra L. Zynger, M.D.
Last author update: 4 June 2020
Last staff update: 25 January 2024 (update in progress)
Copyright: 2020-2024, PathologyOutlines.com, Inc.
PubMed Search: WHO Classification of Tumors of the Oropharynx
Table of Contents
Definition / general | WHO (2017) - Oral cavity | WHO (2017) - Oropharynx | Additional referencesCite this page: Magliocca K. WHO classification-oral cavity & oropharynx. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/oralcavityWHOoropharynx.html. Accessed April 24th, 2024.
Definition / general
- WHO classification of tumors of the oropharynx (base of tongue, tonsils, adenoids)
- Currently on 4th edition, published in 2017
WHO (2017) - Oral cavity
Oral potentially malignant disorders and oral epithelial dysplasia
- Oral potentially malignant disorders - general (pending)
- Oral epithelial dysplasia
- Proliferative verrucous leukoplakia
Papillomas
Tumors of uncertain histogenesis
Soft tissue and neural tumors
- Granular cell tumor
- Rhabdomyoma
- Lymphangioma
- Hemangioma
- Schwannoma
- Neurofibroma
- Kaposi sarcoma
- Myofibroblastic sarcoma
Oral mucosal melanoma
Salivary type tumors
Hematolymphoid tumors
- CD30 positive T cell lymphoproliferative disorder
- Plasmablastic lymphoma
- Langerhans cell histiocytosis
- Extramedullary myeloid sarcoma
WHO (2017) - Oropharynx
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Squamous cell carcinoma ICD-O
- See also Salivary glands chapter
- Pleomorphic adenoma8940/0
- Adenoid cystic carcinoma8200/3
- Polymorphous adenocarcinoma8525/3
Salivary gland tumors ICD-O
Hematolymphoid tumors ICD-O
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))
Additional references
