Neck dissection

• Neck dissection
  • Radical neck dissection
    • Regions I – V
    • En bloc removal of everything in the neck except carotid artery, vagus, phrenic nerve, hypoglossal nerve
    • Metastatic disease of the neck
  • Modified neck dissection
    • Preserves SCM, internal jugular vein OR accessory nerve
    • Metastatic disease of the neck where the aforementioned structures are not infiltrated
  • Selective neck dissection
    • Preservation of certain regions
    • I – III or II – IV
• Neck regions
  • Region I – submental and submandibular region
    • Lips
    • Tongue
    • Oral cavity
    • Sublingual gland
    • Submandibular gland
  • Region II – superior (internal) jugular region or superior parajugular region
    • Oral cavity
    • Nasal cavity
    • Pharynx
    • Larynx
    • Parotid
  • Region III – middle (internal) jugular region or middle parajugular region
    • Oral cavity
    • Pharynx
    • Larynx
  • Region IV – inferior (internal) jugular region or inferior parajugular region
    • Thyroid
    • Larynx
    • Hypopharynx
    • Upper oesophagus
  • Region V – posterior triangle
    • Nasopharynx
    • Posterior scalp
    • Ear
  • Region VI – central or anterior compartment
    • Thyroid
    • Larynx
    • Hypopharynx

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