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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