Table 2 Summary of dosimetric results for OARs analyzed from dose-volume histogram
From: Feasibility of a mini-pig model of radiation-induced brain injury to one cerebral hemisphere
P1 | P2 | P3 | P4 | |
|---|---|---|---|---|
Summary of dosimetric results for OARs analyzed from dose-volume histogram | ||||
Brainstem (Vmean = 3.9 cm3) | ||||
D2% (Gy) | 22.4 | 17.7 | 10.1 | 10.4 |
Dmean (Gy) | 11.3 | 9.6 | 3.6 | 3.0 |
V10/12 (%) | 53/34 | 37/20 | < 3.4 | < 3.3 |
Cerebellum (Vmean = 4.3 cm3) | ||||
D2% (Gy) | 11.1 | 10.5 | ||
Dmean (Gy) | 3.4 | 3.4 | ||
V10/12 (%) | 4.6 | 4.1 | ||
Optic chiasm (Vmean = 0.1 cm3) | ||||
D2% (Gy) | 24.7 | 23.7 | 11.0 | 9.3 |
Dmean (Gy) | 22.9 | 22.0 | 10.0 | 6.7 |
V6/8/10 (%) | 1.0 | 1.0 | ≤ 1.0 | < 0.5 |
Left optic nerve (Vmean = 0.1 cm3) | ||||
D2% (Gy) | 22.1 | 23.2 | 10.4 | 7.4 |
Dmean (Gy) | 17.9 | 17.4 | 9.2 | 6.0 |
V6/8/10 (%) | 1.0 | 1.0 | ≤ 1.0 | ≤ 0.5 |
Right optic nerve (Vmean = 0.1 cm3) | ||||
D2% (Gy) | 20.2 | 19.1 | 9.0 | 4.5 |
Dmean (Gy) | 16.9 | 14.2 | 8.3 | 3.8 |
V6/8/10 (%) | 0.1 | 0.1 | 0.1 | 0.1 |
Spinal cord (Vmean = 3.7 cm3) | ||||
D2% (Gy) | 5.5 | 3.3 | < 1 | < 1 |
Dmean (Gy) | 1.0 | 0.6 | 0.2 | 0.2 |
V8/10/12 (%) | < 0.3 | 0 | 0 | 0 |
Left lens (Vmean = 0.2 cm3) | ||||
Dmax (Gy) | 3.4 | 1.4 | < 0.1 | < 0.1 |
Right lens (Vmean = 0.2 cm3) | ||||
Dmax (Gy) | 5.6 | 2.7 | 1.7 | 1.5 |
Brain – PTV (P1&P2) (Vmean = 30 cm3) | ||||
D2% (Gy) | 22.5 | 18 | ||
Dmean (Gy) | 11 | 7.7 | ||
V10/12 (%) | 49/35 | 52/32 | ||
Brain – PTV (P3&P4) (Vmean = 36.6 cm3) | ||||
D2% (Gy) | 10.7 | 11.4 | ||
Dmean (Gy) | 5.3 | 5.3 | ||
V10/12 (%) | ≤ 4 | ≤ 8 | ||