Table 4 Summary of DVH analysis for Rectum, Bladder, Femurs, Penile Bulb and Healhty Tissue.
From: Early clinical experience of radiotherapy of prostate cancer with volumetric modulated arc therapy
Parameter | Objectives | All patients | All Patients |
|---|---|---|---|
Rectum | Rectum-PTV | ||
Volume [cm 3 ] | - | 58.4 ± 17.9 | 53.6 ± 16.2 |
Mean dose [Gy] | < 45Gy | 40.3 ± 4.2 | 36.7 ± 3.4 |
V 50Gy [%] | < 60% | 31.6 ± 7.6 | 24.7 ± 5.7 |
V 60Gy [%] | < 45% | 20.1 ± 6.6 | 12.1 ± 3.1 |
V 70Gy [%] | < 25% | 10.7 ± 5.5 | 2.4 ± 1.7 |
NTCP [%] | < 5% | 2.7 ± 1.6 | 1.0 ± 0.4 |
Bladder | Bladder-PTV | ||
Volume [cm 3 ] | - | 151.0 ± 100.6 | 119.5 ± 93.5 |
Mean dose [Gy] | < 45Gy | 44.5 ± 12.3 | 35.5 ± 11.1 |
D 2% [Gy] | < 80Gy | 79.4 ± 1.2 | 72.6 ± 2.4 |
D 67% [Gy] | Minimize | 29.4 ± 17.2 | 23.7 ± 14.0 |
V 30Gy [%] | Minimize | 65.8 ± 20.5 | 57.5 ± 22.7 |
NTCP [%] | < 5% | 2.6 ± 4.0 | 0.1 ± 0.2 |
Femurs | |||
Volume [cm 3 ] | - | 373.3 ± 86.7 | |
Mean dose [Gy] | Minimise | 19.4 ± 4.2 | |
V 45Gy [%] | Minimise | 0.4 ± 1.0 | |
D 2% [Gy] | < 47Gy | 36.7 ± 5.4 | |
Penile Bulb | |||
Volume [cm 3 ] | - | 3.3 ± 1.2 | |
Mean dose [Gy] | < 30Gy | 28.5 ± 17.2 | |
D 2% [Gy] | - | 53.1 ± 23.7 | |
Healthy Tissue | |||
Volume [cm 3 ] | - | 29054.2 ± 7186.1 | |
Mean dose [Gy] | Minimise | 5.1 ± 1.0 | |
V 10Gy [%] | Minimise | 16.7 ± 3.2 | |
V 20Gy [%] | Minimise | 9.3 ± 2.3 | |
V 30Gy [%] | Minimise | 4.4 ± 1.2 | |
DoseIntegral [10 5 Gy cm 3 ] | Minimise | 1.45 ± 0.32.6 |