This study | Myers et al. [30] | Seravalli et al. [25]a | Parker et al. [31] | Myers et al. | Seravalli et al. | |
---|---|---|---|---|---|---|
CTV-PTV margin spine in mm | 5.0 circular | 7.0 circ.‡ | 5.0 circ | 3.0 circ.‡ | 7.0 circ.b | 5.0 circ |
N [age] | 6 [5–16 y] | 24 [2–18 y] | 1 [14 y] | 1 [19 y] | 24 [2–18 y] | 1 [14 y] |
No. of isocenters | 2 | 2 | 3 | 1 | 1 | 1 |
Partial arc + AVD | Yes | No | Yes | No | No | No |
Organ/technique | VMAT_AVD | VMAT | VMAT | HT | HT | HT |
Heart | 6.6 [5.8–7.0] | 6.6 ± 1.1 | 6.8 [5.6–10.7] | 10.8 [N.A] | 7.1 ± 1.1 | 9.2 [7.5–11.6] |
Thyroid | 8.7 [7.6–9.9] | 12.8 ± 1.2 | 12.7 [5.5–24.1] | 24.4 [N.A] | 11.3 ± 1.8 | 15.0 [6.8–19.3] |
Lungs | 7.5 [7.0–7.9] | 9.6 ± 1.4 | 8.9 [7.9–9.8] c | 5.9 [N.A] | 8.2 ± 1.4 | 8.0 [7.0–8.7] c |
Kidneys | 5.3 [4.7–5.8] | 7.8 ± 0.9 | 6.4 [5.6–8.5] c | 6.4 [N.A] | 7.9 ± 1.7 | 6.1 [5.2–6.5] c |
Liver | 5.7 [5.2–6.3] | 6.8 ± 0.9 | N.A | 7.8 [N.A] | 6.6 ± 0.6 | N.A |