Background
Methods
Patients’ selection
Parameter | Acuros XB | AAA | CC | p |
---|---|---|---|---|
PTV ( Volume [cm3] = 446.4 ± 235.2) | ||||
Mean [%] | 100.3 ± 0.3 | 101.8 ± 1.0 | 100.9 ± 0.7 | a,c |
D5%- D95% [%] | 7.7 ± 1.6 | 7.6 ± 1.7 | 7.8 ± 1.7 | |
V95% [%] | 95.9 ± 1.3 | 97.3 ± 2.4 | 96.3 ± 2.0 | c |
V105% [%] | 0.8 ± 0.6 | 6.5 ± 3.6 | 2.5 ± 2.5 | a,c |
CI90% | 1.2 ± 0.1 | 1.2 ± 0.1 | 1.1 ± 0.1 | |
Brain Stem ( Volume [cm3] = 24.2 ± 3.9) | ||||
D1% [%] | 102.7 ± 2.2 | 104.0 ± 2.1 | 103.1 ± 2.7 | a |
D1.8cm3 [%] | 94.6 ± 16.7 | 95.6 ± 17.1 | 95.2 ± 17.0 | a |
V50Gy [%] | 5.0 ± 11.1 | 5.7 ± 12.8 | 5.3 ± 11.9 | |
Chiasm ( Volume [cm3] = 1.1 ± 0.4) | ||||
D1% [%] | 95.2 ± 16.1 | 96.6 ± 15.4 | 95.7 ± 16.7 | |
D1.8cm3 [%] | 69.5 ± 31.6 | 69.3 ± 30.6 | 68.9 ± 30.7 | |
V50Gy [%] | 11.5 ± 25.7 | 14.4 ± 32.2 | 15.1 ± 33.8 | |
Lens ( Volume [cm3] = 0.3 ± 0.1) | ||||
Mean [%] | 8.8 ± 1.9 | 9.4 ± 2.4 | 8.8 ± 2.3 | c |
D1% [%] | 10.5 ± 2.3 | 10.9 ± 2.5 | 10.3 ± 2.7 | c |
D1.8cm3 [%] | 7.5 ± 1.9 | 8.1 ± 2.3 | 7.4 ± 2.1 | c |
Optic Nerve ( Volume [cm3] = 1.2 ± 0.7) | ||||
D1% [%] | 77.1 ± 28.6 | 78.1 ± 28.6 | 76.6 ± 28.7 | a |
D1.8cm3 [%] | 25.8 ± 11.6 | 26.6 ± 12.3 | 26.1 ± 12.2 | |
Retina ( Volume [cm3] = 17.7 ± 1.5) | ||||
Mean [%] | 19.5 ± 9.7 | 20.2 ± 9.9 | 19.7 ± 9.8 | a,c |
D1% [%] | 48.9 ± 21.7 | 51.3 ± 21.9 | 50.2 ± 21.2 | c |
D1.8cm3 [%] | 34.6 ± 19.1 | 35.5 ± 19.5 | 34.9 ± 18.6 | a |
Parameter | Acuros XB | AAA | CC | p |
---|---|---|---|---|
PTV ( Volume [cm3] = 263.4 ± 213.3) | ||||
Mean [%] | 100.2 ± 0.8 | 101.1 ± 1.4 | 100.8 ± 1.0 | a,b |
D5%- D95% [%] | 7.0 ± 2.6 | 7.1 ± 4.3 | 6.9 ± 3.6 | |
V95% [%] | 96.2 ± 2.0 | 96.8 ± 3.7 | 96.7 ± 3.0 | |
V105% [%] | 1.1 ± 1.9 | 4.4 ± 8.3 | 2.3 ± 4.7 | |
CI95% | 1.9 ± 0.8 | 2.2 ± 1.1 | 2.0 ± 0.9 | |
Spinal Cord ( Volume [cm3] = 22.9 ± 4.5) | ||||
D1% [%] | 61.8 ± 3.7 | 63.7 ± 3.5 | 62.5 ± 3.3 | a,c |
D1.8cm3 [%] | 60.0 ± 3.7 | 61.7 ± 3.7 | 60.5 ± 3.6 | a,c |
Parotids ( Volume [cm3] = 38.5 ± 19.0) | ||||
Mean [%] | 48.4 ± 11.6 | 49.9 ± 11.4 | 49.0 ± 11.6 | a,b,c |
D33% [%] | 68.0 ± 21.0 | 69.1 ± 19.7 | 68.1 ± 20.1 | c |
D67% [%] | 24.6 ± 10.7 | 26.9 ± 11.7 | 26.2 ± 11.6 | a |
Oral Cavity ( Volume [cm3] = 76.1 ± 3.8) | ||||
Mean [%] | 66.7 ± 13.8 | 67.4 ± 14.1 | 67.3 ± 14.1 | a |
D1% [%] | 99.6 ± 1.2 | 99.0 ± 1.4 | 99.6 ± 0.9 | |
D33% [%] | 76.0 ± 12.1 | 76.7 ± 12.5 | 76.5 ± 12.4 | |
Larynx ( Volume [cm3] = 37.1 ± 19.9) | ||||
Mean [%] | 67.8 ± 3.7 | 69.0 ± 3.7 | 69.1 ± 3.7 | a,b |
D1% [%] | 93.1 ± 6.4 | 94.0 ± 7.5 | 92.8 ± 7.3 | c |
D33% [%] | 73.6 ± 4.2 | 74.8 ± 4.3 | 74.8 ± 4.3 | a,b |
Parameter | Acuros XB | AAA | CC | p |
---|---|---|---|---|
PTV ( Volume [cm3] = 516.8 ± 398.3) | ||||
Mean [%] | 100.3 ± 1.0 | 101.2 ± 0.4 | 100.9 ± 1.2 | |
D5%- D95% [%] | 10.3 ± 1.6 | 9.8 ± 3.0 | 10.8 ± 2.6 | c |
V95% [%] | 94.3 ± 2.2 | 95.3 ± 2.4 | 94.4 ± 3.3 | a |
V105% [%] | 4.1 ± 2.4 | 6.8 ± 5.7 | 7.0 ± 5.1 | |
CI90% | 1.8 ± 1.2 | 1.9 ± 1.2 | 2.0 ± 1.1 | |
Ipsil Lung ( Volume [cm3] = 1700.2 ± 318.3) | ||||
Mean [%] | 43.3 ± 24.7 | 43.3 ± 24.7 | 42.6 ± 24.5 | |
V20Gy [%] | 48.0 ± 25.7 | 47.8 ± 25.7 | 47.5 ± 25.7 | b |
D1% [%] | 104.3 ± 0.9 | 103.9 ± 0.9 | 104.5 ± 0.2 | a |
Contr Lung ( Volume [cm3] = 2048.4 ± 42.1) | ||||
Mean [%] | 9.6 ± 2.6 | 9.8 ± 2.8 | 9.1 ± 2.3 | |
V20Gy [%] | 3.2 ± 2.6 | 3.2 ± 2.6 | 3.0 ± 2.4 | |
D1% [%] | 58.2 ± 19.3 | 58.8 ± 19.9 | 57.1 ± 18.2 | |
Lungs ( Volume [cm3] = 3382.7 ± 479.6) | ||||
Mean [%] | 24.5 ± 7.0 | 24.9 ± 7.2 | 23.9 ± 6.9 | b,c |
V20Gy [%] | 19.8 ± 7.7 | 19.9 ± 7.7 | 19.4 ± 7.7 | b,c |
D1% [%] | 98.4 ± 4.5 | 98.4 ± 4.3 | 98.2 ± 4.6 | |
Heart ( Volume [cm3] = 501.3 ± 31.4) | ||||
Mean [%] | 39.7 ± 27.0 | 40.4 ± 27.6 | 39.7 ± 27.3 | c |
D1% [%] | 101.9 ± 3.0 | 103.5 ± 3.0 | 102.2 ± 3.9 | a |
Spinal Canal ( Volume [cm3] = 31.9 ± 3.3) | ||||
D1% [%] | 67.6 ± 23.3 | 68.5 ± 23.5 | 67.9 ± 23.1 | a |
D1.8cm3 [%] | 63.7 ± 23.4 | 64.5 ± 23.5 | 64.1 ± 23.5 | b |
Parameter | Acuros XB | AAA | CC | p |
---|---|---|---|---|
PTV ( Volume [cm3] = 817.6 ± 527.5) | ||||
Mean [%] | 98.5 ± 3.3 | 100.3 ± 3.3 | 98.9 ± 3.2 | a,c |
D5%- D95% [%] | 6.8 ± 0.9 | 6.3 ± 1.0 | 6.7 ± 1.2 | a,c |
V95% [%] | 80.3 ± 35.1 | 88.9 ± 22.2 | 82.5 ± 28.7 | |
V105% [%] | 1.1 ± 1.6 | 4.4 ± 5.6 | 1.8 ± 3.8 | |
CI90% | 1.2 ± 0.1 | 1.3 ± 0.1 | 1.2 ± 0.1 | a,c |
Bladder ( Volume [cm3] = 259.3 ± 114.6) | ||||
Mean [%] | 70.4 ± 16.4 | 72.2 ± 16.8 | 70.6 ± 16.5 | a,c |
D1% [%] | 101.6 ± 2.5 | 103.6 ± 2.8 | 102.1 ± 2.8 | a,c |
D67% [%] | 55.3 ± 29.0 | 56.7 ± 29.7 | 55.2 ± 29.1 | a,c |
Rectum ( Volume [cm3] = 101.6 ± 44.8) | ||||
Mean [%] | 68.4 ± 17.3 | 70.0 ± 17.5 | 68.3 ± 16.9 | a,c |
D1% [%] | 100.4 ± 4.2 | 101.9 ± 4.0 | 100.6 ± 4.1 | a,c |
D67% [%] | 53.4 ± 28.1 | 55.0 ± 28.5 | 53.3 ± 27.9 | a,c |
Femurs ( Volume [cm3] = 172.7 ± 46.3) | ||||
Mean [%] | 38.9 ± 6.8 | 40.0 ± 7.0 | 38.7 ± 7.0 | a,c |
D1% [%] | 75.8 ± 17.9 | 77.9 ± 18.5 | 76.0 ± 17.9 | a,c |
D1.8cm3 [%] | 75.7 ± 18.0 | 77.8 ± 18.6 | 75.9 ± 18.0 | a,c |
Bowel ( Volume [cm3] = 1062.2 ± 903.1) | ||||
Mean [%] | 28.0 ± 19.4 | 28.8 ± 19.6 | 27.3 ± 19.2 | a,b,c |
D1% [%] | 68.8 ± 45.9 | 69.9 ± 46.3 | 68.5 ± 45.9 | a,c |
D1.8cm3 [%] | 69.0 ± 48.1 | 69.9 ± 48.4 | 68.5 ± 48.0 | a,b,c |
Parameter | Acuros XB | AAA | CC | p |
---|---|---|---|---|
PTV ( Volume [cm3] = 68.9 ± 50.2) | ||||
Mean [%] | 102.2 ± 2.4 | 102.9 ± 3.4 | 102.0 ± 2.7 | |
D5%- D95% [%] | 19.2 ± 4.0 | 18.1 ± 2.5 | 20.2 ± 3.6 | b |
V95% [%] | 91.9 ± 3.0 | 93.2 ± 4.0 | 91.0 ± 3.1 | b,c |
V105% [%] | 35.0 ± 16.9 | 41.2 ± 21.4 | 35.2 ± 17.0 | |
CI90% | 1.1 ± 0.2 | 1.2 ± 0.2 | 1.1 ± 0.2 | b,c |
Ipsil Lung ( Volume [cm3] = 1202.5 ± 421.1) | ||||
Mean [%] | 14.7 ± 12.7 | 14.8 ± 12.6 | 14.8 ± 12.5 | |
V20Gy [%] | 15.1 ± 17.4 | 15.0 ± 17.3 | 15.3 ± 17.1 | |
D1% [%] | 74.8 ± 43.5 | 75.2 ± 43.8 | 74.9 ± 43.7 | |
Contr Lung ( Volume [cm3] = 1164.7 ± 601.0) | ||||
Mean [%] | 2.4 ± 2.0 | 2.4 ± 2.0 | 2.2 ± 1.9 | |
V5Gy [%] | 5.4 ± 10.5 | 5.1 ± 9.9 | 4.9 ± 9.4 | |
D1% [%] | 7.9 ± 4.9 | 8.0 ± 4.9 | 7.7 ± 5.0 | b,c |
Ribs ( Volume [cm3] = 213.5 ± 327.2) | ||||
D1% [%] | 83.3 ± 15.0 | 85.1 ± 15.7 | 83.7 ± 14.7 | a |
V30Gy [%] | 19.0 ± 18.7 | 20.1 ± 19.9 | 19.1 ± 18.8 | |
Liver ( Volume [cm3] = 1135.0 ± 489.9) | ||||
Mean [%] | 14.7 ± 4.3 | 15.0 ± 4.3 | 14.5 ± 4.3 | a,b,c |
D1% [%] | 88.6 ± 33.1 | 90.1 ± 33.8 | 89.0 ± 33.3 | |
V21Gy [%] | 11.6 ± 6.2 | 11.8 ± 6.2 | 11.6 ± 6.1 |
Dose calculation algorithms and experimental instrumentation
Analysis and evaluation tools
Results
Group | AAA_Acuros | CC_Acuros | CC_AAA | p |
---|---|---|---|---|
GAI [%] with criteria 3 %/3 mm
| ||||
Brain | 99.1 ± 2.1 | 99.2 ± 2.1 | 99.7 ± 0.6 | b |
H&N | 99.0 ± 1.4 | 99.4 ± 0.9 | 99.4 ± 1.0 | a,b |
Thorax | 99.6 ± 0.8 | 99.9 ± 0.2 | 99.7 ± 0.33 | - |
Pelvis | 99.4 ± 1.4 | 99.9 ± 0.3 | 98.9 ± 3.1 | a,c |
SBRT | 99.6 ± 1.4 | 100.0 ± 0.0 | 99.5 ± 2.1 | - |
GAI [%] with criteria 2 %/2 mm
| ||||
Brain | 97.0 ± 4.5 | 98.0 ± 3.6 | 98.7 ± 3.4 | a,b |
H&N | 91.1 ± 7.3 | 96.9 ± 3.2 | 96.2 ± 5.5 | a,b |
Thorax | 96.4 ± 5.7 | 99.2 ± 1.3 | 97.9 ± 2.4 | a,c |
Pelvis | 92.2 ± 11.3 | 98.8 ± 2.3 | 91.9 ± 14.4 | a,c |
SBRT | 97.8 ± 4.8 | 99.9 ± 0.2 | 98.5 ± 4.9 | a |