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The CT and US features of Ewing’s sarcoma/primary neuroectodermal tumor of the kidney: two case reports and review of literature

Authors Zhang D, Li Z, Gao D, Yang G, Ding Y, Wang G, Dong X

Received 25 November 2015

Accepted for publication 27 January 2016

Published 17 March 2016 Volume 2016:9 Pages 1599—1603


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Manfred Beleut

Peer reviewer comments 2

Editor who approved publication: Professor Min Li

Da-Fu Zhang,* Zhen-Hui Li,* De-Pei Gao, Guang-Jun Yang, Ying-Ying Ding, Guan-Shun Wang, Xing-Xiang Dong

Department of Radiology, The Third Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, People’s Republic of China

*These authors contributed equally to this work

Abstract: Ewing’s sarcoma/primary neuroectodermal tumor (EWS/PNET) is an extraordinarily rare primary tumor of the kidney with characteristic histology. To date, the imaging features of EWS/PNET have not been clearly described. Here, we report two cases of EWS/PNET confirmed by fine-needle aspiration biopsy and analyze the findings of computed tomography and ultrasound. The radiological features of EWS/PNET are presented along with a brief review of the pertinent literature to have a further understanding of EWS/PNET’s imaging features.

Keywords: Ewing’s sarcoma, neuroectodermal tumor, X-ray computed tomography, histology, ultrasound

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