Table 5 Values of GPR 2,2 in percentage resulting from the comparison of the dose obtained from the plan reconstructed from expected positions with the dose obtained from a plan in which the absolute value of position errors |ε| were scaled up to a maximum Σ
From: Treatment verification using Varian’s dynalog files in the Monte Carlo system PRIMO
GPR 2,2[%] | ||||||
|---|---|---|---|---|---|---|
Region (prostate) | Σ[mm] | |||||
0.33 (∗) | 2.0 | 3.0 | 4.0 | 5.0 | 10.0 | |
RMS[mm] | ||||||
0.02 | 0.14 | 0.21 | 0.28 | 0.34 | 0.68 | |
PTV 1 | 100 | 100 | 99.9 | 95.0 | 67.5 | 0.0 |
PTV 2 | 100 | 100 | 99.7 | 98.4 | 92.2 | 5.5 |
PTV 3 | 100 | 100 | 100 | 99.3 | 96.7 | 21.6 |
PTV 4 | 100 | 100 | 99.8 | 98.2 | 92.9 | 29.9 |
PTV total | 100 | 100 | 99.8 | 98.4 | 92.5 | 22.4 |
Rectum | 100 | 100 | 100 | 99.9 | 99.7 | 90.8 |
Bladder | 100 | 100 | 100 | 99.9 | 99.8 | 91.7 |
Body | 100 | 100 | 100 | 100 | 99.9 | 98.4 |
Region (H&N) | Σ[mm] | |||||
0.55 (∗) | 2.0 | 3.0 | 4.0 | 5.0 | 10.0 | |
RMS[mm] | ||||||
0.03 | 0.10 | 0.14 | 0.19 | 0.24 | 0.47 | |
PTV 1 | 100 | 100 | 100 | 99.3 | 93.9 | 27.8 |
PTV 2 | 100 | 100 | 100 | 99.8 | 98.6 | 74.9 |
Spinal canal | 100 | 100 | 100 | 100 | 98.6 | 100 |
Parotid left | 100 | 100 | 100 | 100 | 98.2 | 100 |
Parotid right | 100 | 100 | 100 | 100 | 97.2 | 100 |
Body | 100 | 100 | 100 | 100 | 100 | 99.1 |