Table 1 Dose constraints for the critical structures
OARs | Dose constraints |
|---|---|
Brain stem | Max dose <54 Gy |
Spinal cord | Max dose <45 Gy |
Parotid glands | Mean dose < 26 Gy or V30 < 50% in one gland at least |
Chiasm | Max dose <50 Gy or V54 < 1% |
Optic nerves | Max dose <50 Gy or V54 < 1% |
Lens | Max dose <10 Gy |
Larynx | Mean dose < 45 Gy |
Oral cavity | Mean dose <45 Gy |