Basics of Head and Neck IMRT Planning and Anatomy - ASTRO
Basics of Head and Neck IMRT Planning and Anatomy - ASTRO
Basics of Head and Neck IMRT Planning and Anatomy - ASTRO
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Coverage <strong>of</strong> Nodal Volumes<br />
• Retropharyngeal Nodes—<br />
– Skull Base down to hyoid bone<br />
– LLateral t l RP LN iinvolved l d fi first t ( (spare constrictors) t i t )<br />
– Medial RP LN if lateral RP LN+<br />
• Cervical Nodal<br />
– LN- Inferior margin <strong>of</strong> C1 Transverse <strong>and</strong> selective<br />
nodal<br />
– jugular foramen if LN+ <strong>and</strong> comprehensive<br />
nodal treatment<br />
• Level VI (pre-tracheal/delphian) (pre tracheal/delphian) for subglottic<br />
tumor/hypopharynx/thyroid<br />
• Level VII (superior mediastinum) with level IV IV,<br />
thyroid, cervical esophagus
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