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049/093 QUANTEC
049 QUANTEC
| Question | Answer |
|---|---|
| BRAIN TOL AND ENDPOINT | max dose <60Gy, symptomatic necrosis |
| brainstem max dose | max <54Gy, neuropathy/necrosis |
| brain stem volume dose | d1-10cc<= 59Gy, neuropathy or necrosis |
| optic nerve/chiasm | max dose <55Gy, optic neuropathy |
| spinal cord | max dose <45-50Gy, myelopathy PRV max 48-55 |
| cochlea | mean <-45Gy sensory-neural hearing loss |
| parotid (bilateral) | mean<=25Gy long term salivary function <25% |
| paotid (unilateral) | mean <=20Gy, long term sal function <25% |
| pharyngeal constrictors | mean <=50Gy, symptomatic dysphagia and aspiration |
| larynx mean and max | max<66 (vocal dysfunction), mean <50 (aspiration), mean <44 (oedema), V50<27% (oedema) |
| lung | v20<30, mean <7 (symptomatic pneumonitis) |
| oesophagus | mean <34Gy grade 3+ oesophagitis) |
| heart | mean <26Gy (pericarditis) |
| kidney (bilateral) | mean <15-18y (clinical dysfunction) |
| TMJ/mandible | mean <45Gy -> ORN (trismus) |