A Rare Case of Serrated Polyposis Syndrome with the MSH6 and SMARCA4 variants
  • Mahesh Nepal
    Department of Internal Medicine, Rochester General Hospital, Rochester, New York, USA
  • Sravani Lokineni
    Department of Internal Medicine, Rochester General Hospital, Rochester, New York, USA
  • Le Yu Naing
    Department of Internal Medicine, Rochester General Hospital, Rochester, New York, USA
  • Jay Bapaye
    Department of Internal Medicine, Rochester General Hospital, Rochester, New York, USA
  • Erik Olson
    Department of Gastroenterology, Rochester General Hospital, Rochester, New York, USA

Keywords

Serrated polyposis syndrome, colonoscopy

Abstract

Serrated polyposis syndrome (SPS) is the most common form of polyposis syndrome and has been shown to increase the risk of colorectal cancer (CRC). The genetic pathway of CRC in SPS is different from the classic adenomatous polyposis coli (APC) pathway, which accounts for 70–80% of cases of CRC. Most commonly, SPS mutations include BRAF and KRAS, with activation of the RAS-RAF-MAP kinase pathway involved in the pathogenesis of serrated lesions. We present a rare case of SPS in a 32-year-old woman with MSH6 and SMARCA4 variants, which have not previously been reported in the literature.

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Published: 2021-07-29
Issue: 2021: Vol 8 No 7 (view)

How to cite:
1.
Nepal M, Lokineni S, Naing LY, Bapaye J, Olson E. A Rare Case of Serrated Polyposis Syndrome with the MSH6 and SMARCA4 variants. EJCRIM 2021;8 doi:10.12890/2021_002750.