Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Aug 26, 2021; 9(24): 6999-7008
Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.6999
Table 4 Discrepancy between the results of microsatellite instability test and immunohistochemistry
MSI status
IHC

(n = 32)
MLH1
MSH2
PMS2
MSH6
Causes of discrepancy
Overall
PF
LE
Unknown
MSI-H++++0055
MSSLoss+Loss+611411
+Loss+Loss01156
++Loss+2114
+++Loss0033
Loss+++202
LossLoss+Loss101