Update from the 4th Edition of the World Health Organization Classification of Head and Neck Tumours: Odontogenic and Maxillofacial Bone Tumors

Head Neck Pathol. 2017 Mar;11(1):68-77. doi: 10.1007/s12105-017-0794-1. Epub 2017 Feb 28.


The 4th edition of the World Health Organization's Classification of Head and Neck Tumours was published in January of 2017. This article provides a summary of the changes to Chapter 4 Tumours of the oral cavity and mobile tongue and Chapter 8 Odontogenic and maxillofacial bone tumours. Odontogenic cysts which were eliminated from the 3rd 2005 edition were included in the 4th edition as well as other unique allied conditons of the jaws. Many new tumors published since 2005 have been included in the 2017 classification.

Keywords: Gnathic bone tumors; Gnathic conditions; Odontogenic cysts; Update on WHO Classification of odontogenic tumors; WHO Classification; odontogenic tumors.

MeSH terms

  • Bone Neoplasms / classification*
  • Bone Neoplasms / pathology
  • Head and Neck Neoplasms / classification*
  • Head and Neck Neoplasms / pathology
  • Humans
  • Odontogenic Tumors / classification*
  • Odontogenic Tumors / pathology
  • World Health Organization