Primary Renal Sarcoma With BCOR-CCNB3 Gene Fusion in an 18-Year-Old Male: A Rare Lesion With a Diagnostic Quandary

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Abstract

Primary renal sarcoma with BCOR-CCNB3 gene fusion is a rare tumor with only 7 cases reported in the English literature. The morphologic features of this tumor strikingly overlap with clear cell sarcoma of the kidney and synovial sarcoma. Accurate diagnosis can be challenging. In this article, we report a case of an 18-year-old male who presented with hematuria. Subsequent imaging study showed a left renal mass with level II (infra-hepatic) inferior vena cava thrombus, which was resected. Detailed pathologic findings and immunohistochemical and molecular studies revealed an ovoid to spindle cell renal mass with a BCOR-CCNB3 gene fusion.

Original languageEnglish (US)
JournalInternational Journal of Surgical Pathology
DOIs
StateAccepted/In press - 2020

Keywords

  • BCOR-CCNB3 gene fusion
  • primary renal sarcoma

ASJC Scopus subject areas

  • Anatomy
  • Surgery
  • Pathology and Forensic Medicine

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