Table 2 Protocol treatment goals
Volume | Goal 1 | Goal 2 | Goal 3 |
|---|---|---|---|
PTV | 60 Gy to ≥ 95% of the PTV | ≤ 20% of the PTV to > 66 Gy | ≤ 1% of the PTV to < 54 Gy |
Optic Chiasm | ≤ 5% to > 47.25 Gy | ≤ 33% to 40.5 Gy | |
Optic nerves | ≤ 5% to > 47.25 Gy | ≤ 33% to 40.5 Gy | |
Brainstem | ≤ 5% to > 52.5 Gy | ≤ 33% to 45 Gy | |
Spinal cord | ≤ 5% to > 42 Gy | ≤ 33% to 36 Gy | |
Eyes | ≤ 5% to > 10.5 Gy | ≤ 33% to 9 Gy |