Table 1.
Types of Intrafraction IGRT Used for the Localization of Different Bone Tumors. The Average Treatment Time was Calculated From the Beginning of the Acquisition of the Prepositioning kV-CBCT.
| Target | Location | IGRT intrafractions | Mean (SD) treatment time |
|---|---|---|---|
| 1 | T10 | (kV-CBCT + ExacTrac X-ray) Intra-arcs | 17 ± 4 min |
| 2 | T2 | ||
| 3 | L1 | ||
| 4 | T3 | ||
| 5 | L1 | ||
| 6 | L5 | ||
| 7 | T11 | ||
| 8 | T11 | ||
| 9 | C6 | ||
| 10 | L3 | ||
| 11 | Left iliac bone | ||
| 12 | Left femoral neck | ||
| 13 | sacrum | ||
| 14 | sacrum | ||
| 15 | Right iliac bone | ||
| 16 | Right femoral head | ||
| 17 | Right humerus | kV-CBCT Intra-arcs | 17 ± 4 min |
| 18 | Right scapula | ||
| 19 | Left scapula | ||
| 20 | L1 | ExacTrac monitoring during treatment | 10 ± 3 min |
| 21 | L4 | ||
| 22 | T8 | ||
| 23 | C1 | ||
| 24 | T12 | ||
| 25 | T10 | ||
| 26 | T4 | ||
| 27 | Right iliac bone | ||
| 28 | L4 | ||
| 29 | L2 | ||
| 30 | Left ischion |
kV-CBCT, kV-cone beam computed tomography; IGRT, image-guided radiation therapy; SD = standard deviation.