Table 2.
Boost planning target volume determined on pre-treatment and early response monitoring 18F-FDG-PET/CT.
| Patient | PTV0 (cm3) | PTV3 (cm3) | Absolute difference (cm3) | Relative difference (%) |
|---|---|---|---|---|
| 1 | 19 | 19 | 0 | 0 |
| 2 | 214 | 183 | −31 | −15 |
| 3 | 14 | 21 | 7 | 50 |
| 4 | 164 | 98 | −66 | −40 |
| 5 | 94 | 56 | −38 | −40 |
| 6 | 127 | 133 | 6 | 5 |
| 7 | 43 | 34 | −9 | −21 |
| 8 | 208 | 189 | −19 | −9 |
| 9 | 14 | 15 | 1 | 7 |
| 10 | 15 | 16 | 1 | 7 |
Abbreviations: PTV0: boost planning target volume determined on pre-treatment 18F-FDG-PET/CT; PTV3: boost planning target volume determined on the early response monitoring 18F-FDG-PET/CT; Absolute difference: PTV3 volume minus PTV0 volume; Relative difference: (absolute difference/PTV0)*100.