Table 3.
Values of V xx and Deqs for the PTV and different organs obtained from a FLUKA MC simulation performed with electrons of different energies (see Table 1 and different DMFs.
| PZ1 | DMF: | 1 | 0.9 | 0.8 | 0.7 | 0.6 |
|---|---|---|---|---|---|---|
| PTV | V 95% | 96.35% | 98.3% | 99.3% | 99.86% | 99.99% |
| V 105% | 0.17% | 0.03% | 0.04% | 0.05% | 1.02% | |
| Rectum | V 75 | 0.86% | 2.55% | 4.1% | 6.9% | 7.85% |
| V 50 | 29.9% | 24.3% | 18.4% | 12.3% | 8% | |
| Anus | V 30 | 35.4% | 33.7% | 33.1% | 33.8% | 40.4% |
| Bulb | D 50 | 42 Gy | 40.5 Gy | 38.8 Gy | 37.3 Gy | 36.1 Gy |
| Femurs | D 50 | 16.2 Gy | 14.8 Gy | 14.1 Gy | 14.1 Gy | 13.7 Gy |
| Bladder | D 50 | 38.2Gy | 36.7 Gy | 35.6 Gy | 33.8Gy | 32.4 Gy |
| V 70 | 17% | 10.6% | 9.4% | 9.4% | 9.4% | |
| V 65 | 20% | 17.3% | 9.4% | 9.4% | 9.4% | |
| PZ2 | DMF: | 1 | 0.9 | 0.8 | 0.7 | 0.6 |
| PTV | V 95% | 95.7% | 97.3% | 98.7% | 99.7% | 100% |
| V 105% | 0.29% | 0.08% | 0.01% | 0% | 0% | |
| Rectum | V 75 | 0.8% | 1.5% | 2.3% | 2.8% | 3.3% |
| V 50 | 20% | 17.1% | 13.1% | 6.8% | 3.4% | |
| Anus | V 30 | 22.1% | 20.9% | 20% | 19.4% | 20.7% |
| Bulb | D 50 | 12.3 Gy | 14.9 Gy | 22.5 Gy | 22.6 Gy | 19 Gy |
| Femurs | D 50 | 26.8 Gy | 26.1 Gy | 25.3 Gy | 22.5 Gy | 18.3 Gy |
| Bladder | D 50 | 45Gy | 44.9 Gy | 47.3 Gy | 48.8Gy | 45.8Gy |
| V 70 | 19.6% | 12.2% | 12% | 12% | 12% | |
| V 65 | 25.2% | 19.9% | 12% | 12% | 12% | |
| PZ3 | DMF: | 1 | 0.9 | 0.8 | 0.7 | 0.6 |
| PTV | V 95% | 96.1% | 98% | 99.2% | 99.8% | 100% |
| V 105% | 0.02% | 0% | 0% | 0.13% | 0% | |
| Rectum | V 75 | 0.6% | 1.3% | 2.4% | 5% | 8% |
| V 50 | 34.7% | 30.5% | 25.6% | 16.6% | 9.7% | |
| Anus | V 30 | 0% | 0% | 0% | 0% | 0% |
| Bulb | D 50 | 38.9 Gy | 38.2 Gy | 36.8 Gy | 36.2 Gy | 36.5 Gy |
| Femurs | D 50 | 10.2 Gy | 11.4 Gy | 11.3 Gy | 10.5 Gy | 9.4 Gy |
| Bladder | D 50 | 22.3Gy | 23.1 Gy | 24.4 Gy | 24.2Gy | 22.7Gy |
| V 70 | 3.5% | 1% | 1.1% | 1.1% | 1.1% | |
| V 65 | 7.3% | 3.7% | 1.1% | 1.1% | 1.1% |
Results for all the three patients and DMF values explored are reported. All the obtained values satisfy the requirements shown in Table 2 , even for DMF 1.
The bold values refer to the DMF values.