Extraosseous Ewing’s Sarcoma: Pictorial Review of Imaging Findings, Differential Diagnosis, and Pathologic Correlation

Extraosseous Ewing’s sarcoma (EES), first described in 1969, is a malignant mesenchymal tumor just like its intraosseous counterpart. Although Ewing’s sarcomas are common bone tumors in young children, EESs are rarer and more commonly found in older children/adults, often carrying a poorer prognosis...

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Autores principales: Alexander, Alan, Hunter, Kyle, Rubin, Michael, Bhat, Ambarish P.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Thieme Medical and Scientific Publishers Private Ltd. 2021
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8299506/
https://www.ncbi.nlm.nih.gov/pubmed/34316128
http://dx.doi.org/10.1055/s-0041-1729770
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author Alexander, Alan
Hunter, Kyle
Rubin, Michael
Bhat, Ambarish P.
author_facet Alexander, Alan
Hunter, Kyle
Rubin, Michael
Bhat, Ambarish P.
author_sort Alexander, Alan
collection PubMed
description Extraosseous Ewing’s sarcoma (EES), first described in 1969, is a malignant mesenchymal tumor just like its intraosseous counterpart. Although Ewing’s sarcomas are common bone tumors in young children, EESs are rarer and more commonly found in older children/adults, often carrying a poorer prognosis. We discuss the multimodality imaging features of EES and the differential diagnosis of an aggressive appearing mass in proximity to skeletal structures, with pathologic correlates. This review highlights the need to recognize the variability of radiologic findings in EES such as the presence of hemorrhage, rich vascularity, and cystic or necrotic regions and its imaging similarity to other neoplasms that are closely related pathologically.
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spelling pubmed-82995062021-07-26 Extraosseous Ewing’s Sarcoma: Pictorial Review of Imaging Findings, Differential Diagnosis, and Pathologic Correlation Alexander, Alan Hunter, Kyle Rubin, Michael Bhat, Ambarish P. Indian J Radiol Imaging Extraosseous Ewing’s sarcoma (EES), first described in 1969, is a malignant mesenchymal tumor just like its intraosseous counterpart. Although Ewing’s sarcomas are common bone tumors in young children, EESs are rarer and more commonly found in older children/adults, often carrying a poorer prognosis. We discuss the multimodality imaging features of EES and the differential diagnosis of an aggressive appearing mass in proximity to skeletal structures, with pathologic correlates. This review highlights the need to recognize the variability of radiologic findings in EES such as the presence of hemorrhage, rich vascularity, and cystic or necrotic regions and its imaging similarity to other neoplasms that are closely related pathologically. Thieme Medical and Scientific Publishers Private Ltd. 2021-01 2021-05-31 /pmc/articles/PMC8299506/ /pubmed/34316128 http://dx.doi.org/10.1055/s-0041-1729770 Text en Indian Radiological Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/). https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.
spellingShingle Alexander, Alan
Hunter, Kyle
Rubin, Michael
Bhat, Ambarish P.
Extraosseous Ewing’s Sarcoma: Pictorial Review of Imaging Findings, Differential Diagnosis, and Pathologic Correlation
title Extraosseous Ewing’s Sarcoma: Pictorial Review of Imaging Findings, Differential Diagnosis, and Pathologic Correlation
title_full Extraosseous Ewing’s Sarcoma: Pictorial Review of Imaging Findings, Differential Diagnosis, and Pathologic Correlation
title_fullStr Extraosseous Ewing’s Sarcoma: Pictorial Review of Imaging Findings, Differential Diagnosis, and Pathologic Correlation
title_full_unstemmed Extraosseous Ewing’s Sarcoma: Pictorial Review of Imaging Findings, Differential Diagnosis, and Pathologic Correlation
title_short Extraosseous Ewing’s Sarcoma: Pictorial Review of Imaging Findings, Differential Diagnosis, and Pathologic Correlation
title_sort extraosseous ewing’s sarcoma: pictorial review of imaging findings, differential diagnosis, and pathologic correlation
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8299506/
https://www.ncbi.nlm.nih.gov/pubmed/34316128
http://dx.doi.org/10.1055/s-0041-1729770
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