Table 2 Dosimetric data for neurological organs at risk
Organ at risk | Dmax (Gy) | D1 (Gy) | V45 Gy (%) | V54 Gy (%) | V57 Gy (%) | V60 Gy (%) | V65Gy (%) |
|---|---|---|---|---|---|---|---|
Brainstem | 55.9 (53.3–58.2) | 53.3 (50.8–56.2) | / | 1.1 (0–10.9) | 0 | 0 | 0 |
Spinal cord | 43.9 (41.0–45.7) | 41.1 (36.9–44.0) | 0 | 0 | 0 | 0 | 0 |
Optic chiasm | 56.4 (43.1–59.6) | 56.0 (41.9–59.5) | / | 43.1 (0–98.8) | 2.3 (0–47.8) | 0 | 0 |
Optic nerve | |||||||
(A) | 54.6 (42.4–60.1) | 54.1 (41.9–59.5) | / | 14.1 (0–51.9) | 1.2 (0–17.3) | 0 | 0 |
(N) | 54.5 (42.4–58.9) | 53.9 (42.0–58.3) | / | 9.9 (0–44.3) | 0.1 (0–3.0) | 0 | 0 |
Temporal lobe | |||||||
(A) | 65.1 (60.4–68.4) | 63.0 (58.3–65.8) | / | / | / | 7.9 (0.1–49.9) | 0.2 (0–1.9) |
(N) | 64.7 (58.8–67.6) | 61.9 (53.4–64.5) | / | / | / | 4.2 (0–13.2) | 0 |