Table 3

Distribution of HER2 immunohistochemistry and fluorescence in situ hybridization

HER2 IHC
HER2 amplification
No. of cases
% FISH positive

0
Negative
62


Positive
10
13.9
1+
Negative
37


Positive
9
19.5
2+
Negative
9


Positive
7
43.7
3+
Negative
5


Positive
10
66.7

Correlation p < 0.001. FISH = fluorescence in situ hybridization; HER2 = human epithelial growth factor receptor 2; IHC = immunohistochemistry.

Schindlbeck et al. Breast Cancer Research 2005 7:R1174   doi:10.1186/bcr1360

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