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Table 7 Local negative, TMA positive results (number = 7).

From: Determining sensitivity and specificity of HER2 testing in breast cancer using a tissue micro-array approach

No. of cases Local result Revision local result TMA result Full-sized 4B5, SP3, monocolor-SISH result Conclusion
3 0+ 0+ Amplification 2+, amplification Local IHC procedure unreliable
3 0+ 0+ Amplification 3+, amplification Local IHC procedure unreliable
1 0+ 1-2+ Amplification 2+, amplification Local IHC scoring unreliable