How accurate is foundation 1 / MSI-H testing?

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Joined: Sun Mar 03, 2019 5:27 am

How accurate is foundation 1 / MSI-H testing?

Postby Wewillfight » Thu Dec 26, 2019 11:31 am

Are there stats on the accuracy of these tests?

How important is the quality if tissue sample?

Could incorrect sampling occur ?

It got me thinking there must be some error and therefore some value in late stagd immunotherapy in MSS patients?
40 y/o
Diag Nov 2016 stage IIIc, surgery, colostomy, 2 lymph involved
6 months FOLFOX
Nov 2018 recurrence , surgery , some spread to pertineum
Jan-June 2019 Folfiri+Cetux
Clear scans
August 2019: small bowel inflammation, partial blockage symptoms

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