Table 2.
Constraints of the robust method for the base of skull case. The “weighted” scenario is the nominal scenario with weight 0.2 and the other 8 scenarios with weight 0.1.
Base of skull (Rx = 74 Gy) | |||
---|---|---|---|
Structures | Type | Scenarios | Bound (in Gy) |
CTV | min | all | ≥ 70 |
CTV | max | all | ≤ 80 |
CTV | min | nominal | ≥ 74 |
CTV | max | nominal | ≤ 77 |
CTV | overdose ramp (dpres = Rx) | nominal | ≤ 0:5 |
brainstem | max | all | ≤ 60 |
brainstem | mean | nominal | ≤ 10 |
brainstem | mean | weighted (see caption) | ≤ 11 |
optic chiasm | max | all | ≤ 62 |
brain, brain-CTV, R/L temporal lobe | mean | nominal | ≤ 30 |
all structures | max | all | ≤ 90 |