2016_Head & Neck COURSE BOOK

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

Submandibular gland Ipsilateral parotid gland

Posterior eye and optic nerve

Cochlea

Mandible

4. Target coverage • PTV1 • PTV2

Circumference Thyroid gland i i l d P tu tary g an

•

PTV3