Figures & data
Figure 1 Study design for HER2 testing by IHC, QuantStudio 3D dPCR, and FISH.
![Figure 1 Study design for HER2 testing by IHC, QuantStudio 3D dPCR, and FISH.](/cms/asset/90fcbb33-29ee-4d11-b0e2-492f3e4745a7/dbct_a_30087576_f0001_c.jpg)
Figure 2 Comparison of processing time for FISH and dPCR.
![Figure 2 Comparison of processing time for FISH and dPCR.](/cms/asset/4cef8191-b321-4798-9c17-018358f72e53/dbct_a_30087576_f0002_b.jpg)
Table 1 Results of QuantStudio 3D dPCR with respect to IHC data
Figure 3 Distribution of HER2 dPCR results according to HER2 IHC data.
Abbreviations: HER2, human epidermal growth factor receptor 2; dPCR, digital PCR; IHC, immunohistochemistry.
![Figure 3 Distribution of HER2 dPCR results according to HER2 IHC data.](/cms/asset/520ecd89-5847-458c-a971-5092ad769f83/dbct_a_30087576_f0003_b.jpg)
Table 2 HER2 distribution by IHC and dPCR
Figure 4 Correlation of values obtained by FISH HER2/CEP17 ratio and dPCR HER2/RNase P ratio in 76 samples.
Abbreviations: FISH, fluorescence in situ hybridization; HER2, human epidermal growth factor receptor 2; dPCR, digital PCR.
![Figure 4 Correlation of values obtained by FISH HER2/CEP17 ratio and dPCR HER2/RNase P ratio in 76 samples.](/cms/asset/ad7ee01c-5e99-459e-8ae8-934ca4e6a91c/dbct_a_30087576_f0004_b.jpg)
Figure 5 HER2 expression levels were evaluated by IHC and dPCR in FFPE tissue.
Abbreviations: HER2, human epidermal growth factor receptor 2; IHC, immunohistochemistry; dPCR, digital PCR.
![Figure 5 HER2 expression levels were evaluated by IHC and dPCR in FFPE tissue.](/cms/asset/b61293b4-c26b-4cee-b67e-14b0ca86a6fe/dbct_a_30087576_f0005_c.jpg)