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Table 2 VENTANA IHC and qRT-PCR analysis of all weakly positive and discordant cases detected by CST ALK (D5F3)

From: Combination of conventional immunohistochemistry and qRT-PCR to detect ALK rearrangement

Sample ID FISH IHC (CST) IHC (VENTANA) qRT-PCR
Variant type
9 Positive 1+ Positive EML4-ALK variant 1/2/3a/3b
37 Positive 1+ Positive EML4-ALK variant 1/2/3a/3b
67 Positive 1+ Positive EML4-ALK variant 1/2/3a/3b
94 Positive 1+ Positive EML4-ALK variant 1/2/3a/3b
98 Positive 1+ Positive EML4-ALK variant 1/2/3a/3b
28 Negative 2+ Positive EML4-ALK variant 1/2/3a/3b
171 Negative 1+ Positive EML4-ALK variant 1/2/3a/3b
203 Negative 1+ Positive EML4-ALK variant 1/2/3a/3b
21 Negative 1+ Negative EML4-ALK variant 1/2/3a/3b
36 Negative 1+ Negative EML4-ALK variant 1/2/3a/3b
41 Negative 1+ Negative Negative
39 Negative 1+ Negative Negative
74 Negative 1+ Negative Negative