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Table 2 Dose and volume parameters for targets and organs at risk for pencil beam and cc calculations

From: Stereotactic radiotherapy of intrapulmonary lesions: comparison of different dose calculation algorithms for Oncentra MasterPlan®

ROI Parameter PB CC re-calc CC cov CC clin
GTV V60Gy (%) 99.8 ± 0.9 86.6 ± 26.5 99.6 ± 1.0 99.4 ± 1.5
Dmean (Gy) 73.7 ± 1.6 67.0 ± 4.4 72.8 ± 1.5 72.5 ± 1.6
Dmin (Gy) 63.1 ± 11.0 51.4 ± 9.6 61.3 ± 8.5 59.5 ± 9.6
D99 (Gy) 67.9 ± 7.1 56.8 ± 7.6 65.5 ± 5.4 64.2 ± 6.3
Dmax (Gy) 76.8 ± 1.4 71.6 ± 4.0 76.6 ± 1.3 76.6 ± 1.3
D1 (Gy) 76.4 ± 1.4 71.3 ± 3.9 76.3 ± 1.3 76.4 ± 1.3
ITV V60Gy (%) 99.6 ± 1.7 79.8 ± 30.4 98.4 ± 4.3 97.3 ± 5.7
Dmean (Gy) 73.3 ± 1.7 64.8 ± 5.2 71.0 ± 2.1 70.6 ± 2.3
Dmin (Gy) 60.6 ± 12.4 47.7 ± 11.0 57.9 ± 11.7 56.3 ± 11.7
D99 (Gy) 66.0 ± 10.5 53.2 ± 9.9 62.1 ± 8.6 60.7 ± 9.4
Dmax (Gy) 77.0 ± 1.5 71.6 ± 4.0 76.6 ± 1.3 76.6 ± 1.3
D1 (Gy) 76.7 ± 1.4 71.1 ± 4.0 76.2 ± 1.2 76.2 ± 1.2
PTV V60Gy (%) 95.1 ± 1.9 55.7 ± 27.0 90.9 ± 12.5 85.5 ± 15.3
Dmean (Gy) 69.9 ± 1.3 60.0 ± 5.7 67.4 ± 2.6 66.6 ± 3.1
Dmin (Gy) 43.4 ± 4.9 35.8 ± 3.9 49.2 ± 4.4 46.4 ± 5.2
D99 (Gy) 55.0 ± 1.9 44.3 ± 5.3 56.7 ± 3.7 54.2 ± 4.5
Dmax (Gy) 77.0 ± 1.5 71.6 ± 4.0 76.6 ± 1.3 76.6 ± 1.3
D1 (Gy) 76.5 ± 1.4 70.7 ± 4.1 75.8 ± 1.2 75.8 ± 1.2
Lungs V20 Gy (%) 7.6 ± 4.3 6.8 ± 4.2 9.6 ± 5.0 8.9 ± 4.9
V10 Gy (%) 14.3 ± 5.7 13.4 ± 6.3 17.4 ± 6.6 16.3 ± 6.5
Dmean (Gy) 5.3 ± 2.1 5.0 ± 2.0 6.6 ± 2.3 6.1 ± 2.3
Heart Dmean (Gy) 3.0 ± 3.5 2.9 ± 3.5 3.6 ± 3.5 3.4 ± 3.5
Spinal cord Dmax (Gy) 8.3 ± 8.8 8.1 ± 8.5 10.9 ± 9.6 10.3 ± 9.6
Esophagus Dmax (Gy) 17.6 ± 9.7 16.9 ± 8.9 19.6 ± 10.6 19.3 ± 10.3