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IS THERE A BLOOD TEST (DNA OR GENE TEST) FOR HNPCC?

April 26, 2017cancer dna gene HNPCC mid-atlantic Test

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IS THERE A BLOOD TEST (DNA OR GENE TEST) FOR HNPCC?

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Mutations (alterations) of one of four genes are now known to be responsible for most cases of HNPCC. These genes are called hMSH2 (on chromosome 2), hMLH1 (on chromosome 3), hPMSI (on chromosome 2), and hPMS2 (on chromosome 7). Other genes, presently undiscovered, may also cause HNPCC. Gene tests for HNPCC are available for selected individuals from families who have HNPCC. A family member with HNPCC should be tested first.