Table 2 Dose and volume parameters for targets and organs at risk for pencil beam and cc calculations
ROI | Parameter | PB | CC re-calc | CC cov | CC clin |
|---|---|---|---|---|---|
GTV | V60Gy (%) | 99.8 ± 0.9 | 86.6 ± 26.5 | 99.6 ± 1.0 | 99.4 ± 1.5 |
Dmean (Gy) | 73.7 ± 1.6 | 67.0 ± 4.4 | 72.8 ± 1.5 | 72.5 ± 1.6 | |
Dmin (Gy) | 63.1 ± 11.0 | 51.4 ± 9.6 | 61.3 ± 8.5 | 59.5 ± 9.6 | |
D99 (Gy) | 67.9 ± 7.1 | 56.8 ± 7.6 | 65.5 ± 5.4 | 64.2 ± 6.3 | |
Dmax (Gy) | 76.8 ± 1.4 | 71.6 ± 4.0 | 76.6 ± 1.3 | 76.6 ± 1.3 | |
D1 (Gy) | 76.4 ± 1.4 | 71.3 ± 3.9 | 76.3 ± 1.3 | 76.4 ± 1.3 | |
ITV | V60Gy (%) | 99.6 ± 1.7 | 79.8 ± 30.4 | 98.4 ± 4.3 | 97.3 ± 5.7 |
Dmean (Gy) | 73.3 ± 1.7 | 64.8 ± 5.2 | 71.0 ± 2.1 | 70.6 ± 2.3 | |
Dmin (Gy) | 60.6 ± 12.4 | 47.7 ± 11.0 | 57.9 ± 11.7 | 56.3 ± 11.7 | |
D99 (Gy) | 66.0 ± 10.5 | 53.2 ± 9.9 | 62.1 ± 8.6 | 60.7 ± 9.4 | |
Dmax (Gy) | 77.0 ± 1.5 | 71.6 ± 4.0 | 76.6 ± 1.3 | 76.6 ± 1.3 | |
D1 (Gy) | 76.7 ± 1.4 | 71.1 ± 4.0 | 76.2 ± 1.2 | 76.2 ± 1.2 | |
PTV | V60Gy (%) | 95.1 ± 1.9 | 55.7 ± 27.0 | 90.9 ± 12.5 | 85.5 ± 15.3 |
Dmean (Gy) | 69.9 ± 1.3 | 60.0 ± 5.7 | 67.4 ± 2.6 | 66.6 ± 3.1 | |
Dmin (Gy) | 43.4 ± 4.9 | 35.8 ± 3.9 | 49.2 ± 4.4 | 46.4 ± 5.2 | |
D99 (Gy) | 55.0 ± 1.9 | 44.3 ± 5.3 | 56.7 ± 3.7 | 54.2 ± 4.5 | |
Dmax (Gy) | 77.0 ± 1.5 | 71.6 ± 4.0 | 76.6 ± 1.3 | 76.6 ± 1.3 | |
D1 (Gy) | 76.5 ± 1.4 | 70.7 ± 4.1 | 75.8 ± 1.2 | 75.8 ± 1.2 | |
Lungs | V20 Gy (%) | 7.6 ± 4.3 | 6.8 ± 4.2 | 9.6 ± 5.0 | 8.9 ± 4.9 |
V10 Gy (%) | 14.3 ± 5.7 | 13.4 ± 6.3 | 17.4 ± 6.6 | 16.3 ± 6.5 | |
Dmean (Gy) | 5.3 ± 2.1 | 5.0 ± 2.0 | 6.6 ± 2.3 | 6.1 ± 2.3 | |
Heart | Dmean (Gy) | 3.0 ± 3.5 | 2.9 ± 3.5 | 3.6 ± 3.5 | 3.4 ± 3.5 |
Spinal cord | Dmax (Gy) | 8.3 ± 8.8 | 8.1 ± 8.5 | 10.9 ± 9.6 | 10.3 ± 9.6 |
Esophagus | Dmax (Gy) | 17.6 ± 9.7 | 16.9 ± 8.9 | 19.6 ± 10.6 | 19.3 ± 10.3 |