Table 1.
Point-dose ratio comparisons between calculations and TLD measurements for all TPSs. Note: Corrections to the calculated data have been made in response to the IMRT QA process (Ref. 19).
| TPS | IMRT QA correction multiplier | Ratio of TPS calculation (corrected) to TLD measurement | ||
|---|---|---|---|---|
| Tumor | Heart | Cord | ||
| Pinnacle (CSA) | 1.027 | 0.992 | 1.021 | 0.964 |
| Corvus (PBA) | 1.055 | 1.050 | 1.093 | 1.090 |
| Eclipse AAA (CSA) | 1.007 | 1.036 | 1.112 | 1.099 |
| Eclipse (PBA) | 0.993 | 1.049 | 1.065 | 1.042 |
| TornoTherapy (CSA) | 0.994 | 1.021 | 0.974 | 0.851 |