531 / 1311
Imaging
cervical lymph nodes: radiological classification
Som
et al.
Arch Otolaryngol Head Neck Surg
1999;125:388-
96.
• 7 node levels (I-VII) and
retropharyngeal nodes.
• CT-based node level boundaries.
• Diagnosis.
• Surgery.
• Not for radiotherapy.
How do we define the CTV of elective neck?