Standardised definitions and diagnostic criteria for extra nodal extension on histopathological examination in head and neck cancer: HNCIG international consensus recommendations

Ahmad Abou-Foul, Christina Henson, Max Robinson, Rebecca D. Chernock, Shao Hui Huang, William M. Lydiatt, Lachlan Mcdowell, Brian O'Sullivan, Bayardo Perez-Ordonez, Paul Nankivell, Elena Ruiz-Bravo, Simion Chiosea, Tina M. McGreen, Keith D. Hunter, Jaqueline S. G. Hwang, Senada Koljenovic, Sjors A. Koppes, Stine R. Larsen, Anthony Wi Lo, Valérie Costes-MartineauNeha Mittal, Toshitaka Mori, Ioannis G. Panayiotides, Clóvis A. L. Pinto, Kathrin Scheckenbach, Raja R. Seethala, Benedicte P. Ulhøi, Andrea Vingiani, Yan Zhang, Sue S. Yam, Hisham Mehanna*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Detection of extranodal extension on histopathology (pENE) in surgically treated head and neck squamous cell carcinoma (HNSCC) indicates poor prognosis. However, there is no consensus on the diagnostic criteria, interpretation and reporting pENE, which has contributed to conflicting evidence in the literature, and likely inconsistency clinically. The Head and Neck Cancer International Group conducted a three-round modified Delphi process with a group of 19 international pathology experts, representing 15 national clinical research groups, to generate consensus recommendations for pENE diagnostic criteria. The expert panel achieved strong agreement on terminology and diagnostic features for pENE and soft tissue metastasis. Moreover, the panel reached consensus on reporting of pENE and on nodal sampling.
These consensus recommendations, endorsed by 19 organisations representing 34 countries, are a critical development towards more standardised diagnosis and reporting of pENE, and more accurate data collection and analysis.
Original languageEnglish
JournalThe Lancet Oncology
Publication statusAccepted/In press - 7 Mar 2024

Bibliographical note

Not yet published as of 22/04/2024.

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