From: Radiation treatment planning with embedded dose escalation
Metric | Baseline | DVH | Sub-Structure | gEUD (a = − 1) | gEUD (a = − 5) | gEUD (a = − 15) | |
---|---|---|---|---|---|---|---|
Phantoms | D0.1 cc (Gy) | 27.7 ± 0.8 | 64.6 ± 10.5 | 56.5 ± 10.3 | 48.9 ± 5.7 | 44.8 ± 5.0 | 37.4 ± 4.5 |
gEUD (a = − 1)(Gy) | 26.4 ± 0.7 | 36.1 ± 3.4 | 33.0 ± 2.0 | 34.4 ± 4.6 | 34.4 ± 4.3 | 31.8 ± 3.6 | |
gEUD (a = − 5) (Gy) | 26.3 ± 0.7 | 32.6 ± 3.1 | 29.9 ± 1.7 | 31.7 ± 4.9 | 32.7 ± 4.1 | 31.0 ± 3.6 | |
gEUD (a = −15) (Gy) | 26.0 ± 0.9 | 28.6 ± 3.1 | 26.0 ± 2.1 | 28.0 ± 5.4 | 29.9 ± 3.9 | 29.6 ± 3.3 | |
V150% | 0.00 ± 0.00 | 0.44 ± 0.13 | 0.32 ± 014 | 0.41 ± 0.18 | 0.36 ± 0.25 | 0.16 ± 0.21 | |
Conformity Index | 1.02 ± 0.23 | 1.15 ± 0.32 | 1.00 ± 0.18 | 1.12 ± 0.39 | 1.18 ± 0.39 | 1.17 ± 0.36 | |
R50% | 4.64 ± 3.27 | 5.15 ± 2.32 | 4.83 ± 2.64 | 4.42 ± 1.83 | 4.45 ± 1.88 | 4.21 ± 1.75 | |
Single Fraction MU | 795 ± 27 | 1988 ± 222 | 1766 ± 259 | 1612 ± 112 | 1524 ± 90 | 1362 ± 146 | |
Mean Segment Size (cm) | 4.72 ± 1.55 | 2.34 ± 0.66 | 2.61 ± 0.84 | 2.70 ± 0.69 | 2.73 ± 0.75 | 2.81 ± 0.79 | |
Mean Segment Size (normalized) | 1.00 ± 016 | 0.50 ± 0.09 | 0.55 ± 0.10 | 0.59 ± 0.12 | 0.59 ± 0.11 | 0.61 ± 0.13 | |
Patient - Constrained R50% | D0.1 cc (Gy) | 99.6 | 160.2 | 143.2 | 97.2 | 100.2 | 98.3 |
gEUD (a = − 1)(Gy) | 76.3 | 81.8 | 83.3 | 77.1 | 76.9 | 76.4 | |
gEUD (a = − 5) (Gy) | 73.5 | 76.3 | 76.6 | 74.0 | 73.6 | 73.5 | |
gEUD (a = − 15) (Gy) | 57.2 | 59.4 | 59.5 | 56.6 | 56.1 | 56.6 | |
V150% | 0.0 | 0.14 | 0.19 | 0.0 | 0.0 | 0.0 | |
Conformity Index | 0.82 | 0.84 | 0.83 | 0.83 | 0.83 | 0.84 | |
R50% | 3.37 | 3.37 | 3.29 | 3.01 | 3.15 | 3.15 | |
Single Fraction MU | 834.6 | 1194.9 | 1160.2 | 878.5 | 862.5 | 856.5 | |
Mean Segment Size (cm) | 4.03 ± 0.01 | 2.99 ± 0.03 | 2.95 ± 0.02 | 3.81 ± 0.04 | 3.90 ± 0.01 | 3.96 ± 0.01 | |
Patient – Unconstrained R50% | D0.1 cc (Gy) | 91.9 | 267.1 | 221.8 | 171.0 | 119.3 | 98.2 |
gEUD (a = −1)(Gy) | 79.5 | 90.2 | 90.3 | 98.2 | 84.9 | 77.2 | |
gEUD (a = −5) (Gy) | 73.2 | 79.3 | 79.3 | 85.1 | 78.8 | 74.2 | |
gEUD (a = −15) (Gy) | 61.5 | 61.6 | 66.1 | 64.2 | 55.4 | 59.5 | |
V150% | 0.0 | 0.29 | 0.31 | 0.45 | 0.11 | 0.0 | |
Conformity Index | 0.86 | 0.95 | 0.86 | 1.07 | 1.04 | 0.94 | |
R50% | 3.94 | 5.20 | 5.04 | 5.70 | 4.79 | 4.02 | |
Single Fraction MU | 688.9 | 1822.8 | 1682.7 | 1350.7 | 957.1 | 737.2 | |
Mean Segment Size (cm) | 4.84 ± 0.03 | 2.08 ± 0.08 | 2.02 ± 0.03 | 2.55 ± 0.08 | 3.88 ± 0.03 | 4.65 ± 0.04 |