Table 1B: Target coverage parameters and Monitor Units (MU) needed for treatment. Target coverage is not compromised by DIBH-VMAT vs. VMAT in FB. Monitor Units needed are lower in A and B.
Technique | Volume | Volume PTV | GTV | PTV | PTV | PTV | PTV | Homogeneity | Conformity | Conformity | Monitor |
GTV | [ml] | D98% | D98% | D95% | D50% | D2% | index1 | index2 | index3 | Units | |
[ml] | [Gy] | [Gy] | [Gy] | [Gy] | [Gy] | (HI) | (CI) , PIV98% | (CI) , PIV95% | |||
FB A | 149 | 1156 | 44.2 | 41.1 | 42.6 | 45.2 | 47.4 | 0.15 | 0.81 | 0.89 | 641 |
DIBH A | 154 | 827 | 44.7 | 41.7 | 42.8 | 45.4 | 46.8 | 0.12 | 0.83 | 0.89 | 468 |
FB B | 155 | 471 | 39.1 | 37.4 | 38.3 | 39.8 | 41.0 | 0.09 | 0.86 | 0.89 | 435 |
DIBH B | 153 | 468 | 41.6 | 37.6 | 38.3 | 39.7 | 39.7 | 0.05 | 0.87 | 0.91 | 412 |
PIV: Prescription Isodose Volume.