What are the Bethesda guidelines for Lynch syndrome and microsatellite instability in colon cancer?

Updated: Apr 15, 2020
  • Author: Tomislav Dragovich, MD, PhD; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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Answer

Because cancers with MSI account for approximately 15% of all colorectal cancers, in 1996 the National Cancer Institute developed the Bethesda guidelines for the identification of individuals with HNPCC who should be tested for MSI. These guidelines were most recently revised in 2002. [49]


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