RTOG 0933 protocol | Per protocol | Acceptable variation | Unacceptable deviation |
---|---|---|---|
Whole brain PTV | D2% < 37.5 Gy | D2% = 37.5 Gy | D2% > 40 Gy |
D98% > 25 Gy | D98% < 25 Gy | V30 < 90% | |
Hippocampus | D100% < 9 Gy | D100% = 10 Gy | D100% > 10 Gy |
Dmax < 16 Gy | Dmax = 17 Gy | Dmax > 17 Gy | |
Optic nerves and optic chiasm | Dmax < 37.5 Gy | Dmax = 37.5 Gy | Dmax > 37.5 Gy |