Table 4 Define the cutoff values of FFPE-based FISH by 10 para-carcinoma cases
Chromosome | Average signals ±3 Std. (n) | Cutoff signals (n) | Heteroploid cells + 3 Std (%) | Cutoff Cells (%) |
|---|---|---|---|---|
Chromosome3(gain of signals) | 1.84 + 3*1.02 | 5 | 3.56 + 3*0.54 | 5 |
Chromosome7(gain of signals) | 1.12 + 3*0.93 | 4 | 2.10 + 3*0.72 | 5 |
Chromosome17(gain of signals) | 1.96 + 3*0.50 | 3 | 1.43 + 3*0.74 | 4 |
9p21(loss of two signals) | 1.84–3*0.57 | 0 | 6.00 + 3*0.55 | 8 |
9p21(loss of one signal) | 1.84–3*0.57 | 1 | 16.0 + 3*2.98 | 25 |
9p21(gain of signals) | 1.84 + 3*0.57 | 4 | 2.23 + 3*0.56 | 4 |