International Journal of Clinical Oncology

, Volume 15, Issue 3, pp 314–318 | Cite as

Ewing’s sarcoma of the kidney

  • Joel R. Angel
  • Anushayanthan Alfred
  • Ankit Sakhuja
  • Ryan E. Sells
  • Joseph John Zechlinski
Case Report


Primitive neuroectodermal tumors (PNETs) are small, round-cell tumors of neural crest origin classically found in the central nervous system (CNS) but more recently characterized in the periphery. Peripherally located PNETs (pPNETs) are members of the Ewing’s sarcoma family of tumors (EFTs). Renal localization of pPNETs is very rare, is found in young adults, and is characterized by an aggressive clinical course and poor prognosis. We present the case of a young man with renal pPNET characterized by psuedorosette formation, cluster of differentiation 99 (CD 99+), focally positive for neuron-specific enolase (NSE), with cytogenetic findings of the translocation t(11;22)(q24;q12) and the unique abnormality of trisomy 7. To our knowledge, we report the first case of trisomy 7 and PNET.


Ewing’s sarcoma Primitive neuroectodermal tumor Translocation Trisomy 


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Copyright information

© Japan Society of Clinical Oncology 2010

Authors and Affiliations

  • Joel R. Angel
    • 1
  • Anushayanthan Alfred
    • 1
  • Ankit Sakhuja
    • 1
  • Ryan E. Sells
    • 1
  • Joseph John Zechlinski
    • 1
  1. 1.Department of MedicineMedical College of WisconsinMilwaukeeUSA

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