Analyses of odontogenic tumoursthe most recent classification proposed by the World Health Organization (2017)

  1. Kevin Barrios-Garay 1
  2. Luisa-Fernanda Agudelo-Sánchez 1
  3. José Manuel Aguirre Urizar 2
  4. Cosme Gay-Escoda 3
  1. 1 Dentistry student. Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
  2. 2 MD, DDS, PhD. Chairman and Professor of Oral Medicine, Stomatology II Department, Faculty of Medicine and Nursery, University of the Basque Country/EHU, Leioa, Spain
  3. 3 MD, DDS, MS, PhD, EBOS, OMFS. Chairman and Professor of Oral and Maxillofacial Surgery, Faculty of Medicine and Health Sciences, University of Barcelona. Director of the Master’s Degree Programme in Oral Surgery and Implantology (EHFRE International University/FUCSO). Coordinator/Researcher at the IDIBELL Institute. Head of the Oral Surgery, Implantology and Maxillofacial Surgery Department of the Teknon Medical Centre, Barcelona, Spain
Revista:
Medicina oral, patología oral y cirugía bucal. Ed. inglesa

ISSN: 1698-6946

Año de publicación: 2020

Volumen: 25

Número: 6

Páginas: 14

Tipo: Artículo

DOI: 10.4317/MEDORAL.23751 DIALNET GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Medicina oral, patología oral y cirugía bucal. Ed. inglesa

Resumen

The fourth edition of the ‘’WHO Classification of Head and Neck Tumours’’ was published in January 2017 and includes a classification of odontogenic tumours. This review aims to examine the changes made in this new classification in comparison with the previous classification of 2005. An electronic search was conducted in the PubMed, Scopus and Cochrane databases with the keywords “odontogenic tumor”, “WHO classification” and “update”. Studies published from January 2009 to April 2019 with a high level of scientific evidence were included, but studies not published in English, epidemiological studies and studies with a low level of evidence were excluded. The initial search found 457 articles and after eliminating duplicates, 8 studies were selected for full-text assessment. After excluding 3 epidemiological studies, 5 articles were finally included. These studies were stratified by their level of scientific evidence using SORT criteria (Strength of Recommendation Taxonomy). The new odontogenic tumour list has been simplified with the objective of improving its role as an international guide for diagnosis. Some changes have been possible thanks to the application of immunohistochemistry and molecular genetic techniques that allow better characterization of certain tumours. Further clinicopathological and molecular studies are needed so that this new classification can be consolidated and/or amended.

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