Dose constraint | With SpaceOAR | Without SpaceOAR | |||
---|---|---|---|---|---|
Prostate | Volume | Goal | Tolerance | Goal | Tolerance |
Urethra | Max | < 42.6 Gy | < 43.0 Gy | < 42.6 Gy | < 43.0 Gy |
PTV | V110% | < 0.5% | < 2% | < 0.5% | < 2% |
D99% | > 39.5 Gy | > 39.17 Gy | > 39.2 Gy | > 38.1 Gy | |
Max | < 43.26 Gy | < 44.14 Gy | < 43.9 Gy | < 45.5 Gy | |
Mean | < 41.16 Gy | < 41.71 Gy | < 41.5 Gy | < 42 Gy | |
Bladder | V40Gy | < 3.7% | < 6% | < 4.6% | < 6% |
V20Gy | < 22.8% | < 35% | < 27.4% | < 49% | |
V40.83 Gy | < 6.2 cc | < 8 cc | < 6.9 cc | < 10 cc | |
Max | < 42.7 Gy | < 44.14 Gy | < 43.4 Gy | < 45 Gy | |
Mean | < 11.92 Gy | < 16.55 Gy | < 13.7 Gy | < 20 Gy | |
Rectum | 1 cm above and below the PTV | ||||
V40Gy | < 0.5% | < 1.5% | < 2.5% | < 4% | |
V36Gy | < 2.5% | < 5.7% | < 8% | < 11% | |
V32Gy | < 5% | < 10% | < 13% | < 17% | |
V30Gy | < 6.8% | < 13% | < 16% | < 20% | |
V20Gy | < 28.2% | < 34% | < 32% | < 39% | |
Max | < 40.83 Gy | < 42.48 Gy | < 42.7 Gy | < 43.9 Gy | |
Mean | < 16.88 Gy | < 18.21 Gy | < 17.4 Gy | < 19.6 Gy | |
Femoral head | Max | < 17.66 Gy | < 18.76 Gy | 17.66 Gy | < 18.76 Gy |
Sigmoid colon | V30Gy | < 0 cc | < 1 cc | ||
Penile bulb | Max | < 40 Gy | < 40 Gy | ||
Small bowel | V30Gy | 0 cc | < 5 cc | 0 cc | < 5 cc |