Imaging Review of New and Emerging Sinonasal Tumors and Tumor-Like Entities from the Fourth Edition of the World Health Organization Classification of Head and Neck Tumors

The sinonasal tract is an environment diverse with neoplasia. Given the continued discovery of entities generally specific to the sinonasal tract, the fourth edition of the was released in 2017. It describes 3 new, well-defined entities and several less-defined, emerging entities. The new entities a...

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Bibliographic Details
Published in:American journal of neuroradiology : AJNR 2019-04, Vol.40 (4), p.584-590
Main Authors: Dean, K E, Shatzkes, D, Phillips, C D
Format: Article
Language:English
Subjects:
Head & Neck
Humans
Paranasal Sinus Neoplasms - diagnostic imaging
Paranasal Sinus Neoplasms - pathology
World Health Organization
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Summary:The sinonasal tract is an environment diverse with neoplasia. Given the continued discovery of entities generally specific to the sinonasal tract, the fourth edition of the was released in 2017. It describes 3 new, well-defined entities and several less-defined, emerging entities. The new entities are seromucinous hamartomas, nuclear protein in testis carcinomas, and biphenotypic sinonasal sarcomas. Emerging entities include human papillomavirus-related sinonasal carcinomas, SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily B member 1-deficient sinonasal carcinomas, renal cell-like adenocarcinomas, and chondromesenchymal hamartomas. The literature thus far largely focuses on the pathology of these entities. Our goal in this report was to familiarize radiologists with these new diagnoses and to provide available information regarding their imaging appearances.
ISSN:0195-6108
1936-959X
DOI:10.3174/ajnr.A5978