Table 2 mean measured and calculated doses for all films implanted subcutaneously in the cadaver, normalized to the prescription dose per fraction (4 Gy)
VMAT-WBRT | OF-WBRT | |||||||
|---|---|---|---|---|---|---|---|---|
Hair follicle subvolume | Film nr. | Depth (mm) | Measured dose (%) | Calculated dose 1 mm grid (%) | Calculated dose 4 mm grid (%) | Measureddose (%) | Calculated dose1 mm grid (%) | Calculated dose 4 mm grid (%) |
Left | 1 | 2.53 | 91.0 | 89.0 | 85.3 | 103.8 | 94.1 | 91.1 |
2 | 5.74 | 85.6 | 85.0 | 82.1 | 101.1 | 98.5 | 94.2 | |
3 | 9.74 | 85.9 | 89.6 | 88.3 | 94.1 | 98.3 | 95.0 | |
4 | 6.34 | 77.9 | 78.0 | 77.2 | 98.0 | 105.9 | 97.0 | |
Mean | 6.09 | 85.1 | 85.4 | 83.2 | 99.2 | 99.2 | 94.3 | |
Right | 5 | 11.65 | 94.5 | 85.0 | 82.9 | 97.9 | 103.9 | 96.7 |
6 | 6.73 | 96.5 | 91.0 | 89.0 | 94.9 | 99.8 | 95.8 | |
7 | 8.8 | 90.2 | 81.7 | 81.1 | 98.5 | 102.9 | 97.0 | |
Mean | 9.06 | 93.7 | 85.9 | 84.4 | 97.1 | 102.2 | 96.5 | |
Back | 8 | 7.24 | 71.2 | 69.7 | 69.1 | 110.4 | 109.9 | 103.3 |
9 | 2.53 | 83.9 | 79.8 | 78.6 | 100.0 | 101.7 | 96.8 | |
10 | 11.04 | 81.0 | 85.7 | 85.1 | 98.5 | 102.7 | 97.8 | |
Mean | 6.94 | 78.7 | 78.4 | 77.6 | 102.9 | 104.8 | 99.3 | |
Top | 11 | 4.68 | 75.2 | 70.4 | 64.2 | 114.2 | 111.8 | 91.5 |
12 | 2.02 | 84.3 | 81.1 | 70.4 | 112.3 | 111.4 | 89.4 | |
13 | 2.03 | 51.1 | 59.7 | 56.9 | 111.9 | 108.9 | 99.7 | |
Mean | 2.91 | 70.2 | 70.4 | 63.9 | 112.8 | 110.7 | 93.5 | |
All films | Mean | 6.24 | 82.2 | 80.4 | 77.7 | 102.7 | 103.8 | 95.8 |