1804-1805 / 2351
Priorities and penalties
1. Critical normal tissues, potentially lethal
complication
•
Spinal cord
•
Brain stem
5. Sensitive normal tissues
•
Brain
2. Target coverage
•
GTV
•
CTV1
•
Contralateral parotid
•
Larynx
•
Oesophagus
3. Critical serial normal tissues
•
Anterior eye
•
Lips
•
Oral cavity
•
Chiasm
•
Posterior eye and optic nerve
•
Cochlea
•
Submandibular gland
•
Ipsilateral parotid gland
•
Mandible
4. Target coverage
•
PTV1
•
PTV2
•
Circumference
•
Thyroid gland
i i
l d
•
PTV3
•
P tu tary g an