Table 2 Baseline optimization criteria for all plans
Structure | Optimisation criteria |
|---|---|
Initial phase (46 Gy in 23 fractions to PTV 46 Gy) | |
PTV 46 Gy | 95% to receive 46 Gy |
Right eye | 0% to receive 30 Gy |
Left eye | 0% to receive 30 Gy |
Right lens | 0% to receive 6 Gy |
Left lens | 0% to receive 6 Gy |
Right optic nerve | 0% to receive 42 Gy |
Left optic nerve | 0% to receive 42 Gy |
Optic chiasm | 0% to receive 42 Gy |
Brainstem | 0% to receive 42 Gy |
Hippocampus | 0% to receive 15 Gy |
Boost phase (14 Gy in seven fractions to PTV 60 Gy) | |
PTV 60 Gy | 95% to receive 14 Gy |
Right eye | 0% to receive 5 Gy |
Left eye | 0% to receive 5 Gy |
Right lens | 0% to receive 4 Gy |
Left lens | 0% to receive 4 Gy |
Right optic nerve | 0% to receive 12 Gy |
Left optic nerve | 0% to receive 12 Gy |
Optic chiasm | 0% to receive 12 Gy |
Brainstem | 0% to receive 12 Gy |
Hippocampus | 0% to receive 5 Gy |