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Peripheral primitive neuroectodermal tumor of the kidney in a 51-year-old female following breast cancer: A case report and review of the literature.
MedLine Citation:
PMID:  25435942     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Peripheral primitive neuroectodermal tumor/Ewing's sarcoma (pPNET/EWS) is an aggressive type of sarcoma that is rarely observed in the kidney. pPNET of the kidney principally occurs in young patients (<50 years old) and is very rare in older patients (≥50 years old). Additionally, only six cases of pPNET of the kidney have been reported in the literature in older patients (≥50 years old), and pPNET as a secondary primary tumor has rarely been reported. The current study presents a case of renal pPNET in a 51-year-old female who had been surgically treated for breast carcinoma and administered with adjuvant chemotherapy five years prior to hospitalization for pPNET. A computed tomography scan identified a tumor in the lower pole of the right kidney, which was treated by nephrectomy. Immunohistochemistry demonstrated diffuse, strong membranous positivity for cluster of differentiation (CD)99, positive nuclear staining for friend leukemia integration 1, and negative staining for Wilms' tumor 1 and other markers. Fluorescence in situ hybridization (FISH) analysis of the EWS breakpoint region 1 (EWSR1) demonstrated the characteristic EWSR1 translocation. The patient declined chemotherapy or radiotherapy but accepted traditional Chinese medicine. No evidence of recurrence was observed eight months after diagnosis. Only two cases of renal pPNET with a history of an earlier or synchronous primary cancer were reported in the literature from the USA and Germany, respectively. To the best of our knowledge, the present case is the first FISH-confirmed renal pPNET in an older patient following breast adenocarcinoma.
Authors:
Jinjing Zhong; Ni Chen; Xueqin Chen; Jing Gong; Ling Nie; Miao Xu; Qiao Zhou
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-10
Journal Detail:
Title:  Oncology letters     Volume:  9     ISSN:  1792-1074     ISO Abbreviation:  Oncol Lett     Publication Date:  2015 Jan 
Date Detail:
Created Date:  2014-12-1     Completed Date:  -     Revised Date:  2014-12-2    
Medline Journal Info:
Nlm Unique ID:  101531236     Medline TA:  Oncol Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  108-112     Citation Subset:  -    
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