From: Dosimetric comparison of different treatment modalities for stereotactic radiotherapy
Tumor Diameter | 8 mm | 18 mm | 28 mm | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Distance from brainstem | 1 mm | 6 mm | 1 mm | 6 mm | 1 mm | 6 mm | ||||||||||||
Modality | Cone-based | FFF- VMAT | Tomo | Cone-based | FFF- VMAT | Tomo | Cone-based | FFF- VMAT | Tomo | Cone-based | FFF- VMAT | Tomo | Cone-based | FFF- VMAT | Tomo | Cone-based | FFF- VMAT | Tomo |
HI | 1.24 | 1.25 | 1.20 | 1.23 | 1.25 | 1.23 | 1.20 | 1.19 | 1.25 | 1.20 | 1.17 | 1.24 | 1.17 | 1.23 | 1.21 | 1.16 | 1.19 | 1.23 |
CGIc | 84.59 | 48.89 | 47.96 | 86.25 | 67.93 | 46.79 | 92.02 | 75.66 | 69.75 | 95.35 | 73.99 | 67.76 | 98.99 | 95.44 | 86.04 | 99.84 | 92.27 | 86.68 |
CGIg | 103.25 | 66.45 | 74.39 | 103.15 | 74.30 | 75.96 | 88.43 | 60.53 | 60.61 | 89.33 | 59.71 | 62.68 | 74.02 | 52.79 | 48.02 | 75.26 | 61.62 | 50.49 |
CGI | 93.92 | 57.67 | 61.18 | 94.71 | 71.11 | 61.38 | 90.23 | 68.10 | 65.18 | 92.34 | 66.85 | 62.22 | 86.50 | 74.11 | 67.03 | 87.55 | 76.95 | 68.58 |
CIPaddick | 0.82 | 0.48 | 0.47 | 0.84 | 0.66 | 0.45 | 0.90 | 0.73 | 0.68 | 0.92 | 0.72 | 0.66 | 0.94 | 0.92 | 0.84 | 0.95 | 0.88 | 0.81 |
GI Paddick | 4.23 | 10.97 | 9.07 | 4.28 | 10.58 | 8.57 | 3.02 | 4.90 | 4.83 | 3.00 | 4.93 | 4.62 | 2.73 | 3.67 | 4.14 | 2.69 | 3.21 | 3.90 |