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Erschienen in: Head and Neck Pathology 1/2022

21.03.2022 | Update from the 5th Edition of the World Health Organization Classification of Head and Neck Tumors

Update from the 5th Edition of the World Health Organization Classification of Head and Neck Tumors: Hematolymphoid Proliferations and Neoplasia

verfasst von: Judith A. Ferry

Erschienen in: Head and Neck Pathology | Ausgabe 1/2022

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Abstract

In the 5th edition of the World Health Organization (WHO) Classification of Head and Neck Tumours, the discussion of hematolymphoid proliferations is substantially reorganized and expanded in comparison to the prior edition. The 5th edition includes, in addition to hematolymphoid neoplasms, reactive lymphoid proliferations. Much more information on hematolymphoid proliferations that commonly affect cervical lymph nodes, in addition to those affecting extranodal sites in the head and neck, is included. For the first time, there are dedicated sections on multiple entities, including recently described lymphoproliferative disorders such as EBV+ mucocutaneous ulcer and pediatric-type follicular lymphoma, and several types of histiocytic neoplasms. Tremendous advances have been made in understanding the genetic features that underlie the pathogenesis of hematolymphoid neoplasms, and these have been incorporated into the WHO Classification.
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Metadaten
Titel
Update from the 5th Edition of the World Health Organization Classification of Head and Neck Tumors: Hematolymphoid Proliferations and Neoplasia
verfasst von
Judith A. Ferry
Publikationsdatum
21.03.2022
Verlag
Springer US
Erschienen in
Head and Neck Pathology / Ausgabe 1/2022
Elektronische ISSN: 1936-0568
DOI
https://doi.org/10.1007/s12105-022-01411-2

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