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Table 2 Results from dose plan analysis for Patient 1

From: On the performances of Intensity Modulated Protons, RapidArc and Helical Tomotherapy for selected paediatric cases

  Obj HT IMP RA
PTV
Mean [Gy] 53.2 53.2
(100%)
53.2
(100%)
53.2
(100%)
D1% [%] - 102.3 107.1 104.9
D99% [%] - 85.0 86.8 90.6
V90% [%] 100% 97.7 97.8 99.3
V95% [%] 100% 93.9 93.5 92.5
V107% [%] 0% 0.0 1.1 0.0
V110% [%] 0% 0.0 0.2 0.0
D5–D95 [%] - 8.1 10.9 10.0
SD [%] - 3.2 3.6 3.0
CI90 1.0 1.2 1.1 1.2
PTV scar
Mean [Gy] 44.8 46.2 (103.1%) 44.7 (99.8%) 45.6 (101.8%)
D1% [%] - 110.3 110.7 106.5
D99% [%] - 96.0 90.6 94.0
V90% [%] 100% 99.9 99.4 99.9
V95% [%] 100% 99.5 88.3 98.4
V107% [%] 0% 5.3 3.0 0.3
V110% [%] 0% 1.2 1.2 0.0
D5–D95 [%] - 7.1 12.3 7.8
SD [%] - 2.5 4.0 2.5
Vertebra
Mean [Gy] < 20 Gy 17.6 13.6 22.2
D1% [Gy] Minim 51.5 53.8 52.5
Spinal Cord     
D1% [Gy] < 45 Gy 15.8 15.2 16.9
Right Lung
Mean [Gy] < 15 Gy 11.9 0.9 11.9
V20 Gy [%] Minim 8.8 0.3 11.4
Left uninvolved Lung
Mean [Gy] < 15 Gy 14.1 6.4 15.5
V20 Gy [%] Minim 20.0 11.8 25.1
Heart
Mean [Gy] < 30 Gy 29.1 3.8 26.7
V40 Gy [%] Minim 11.9 3.2 10.1
D1% [Gy] Minim 53.1 51.9 50.0
Healthy tissue
Mean [Gy] Minim 9.1 2.5 8.7
V10 Gy [cm3] Minim 32.2 7.2 31.0
EI [%] Minim 3.0 3.5 2.9
DosInt [105 *Gy*cm3] Minim 0.84 0.23 0.81