Aetiology
- Higher incidence in males, especially adolescents/YAs
Penetrating neck trauma
- Knife/BSW/MVA
- Industrial accidents
- Household accidents
Blunt neck trauma
- MVA
- Sporting injuries
Pathophysiology
Classification

Zone I
- Trachea
- Oesophagus
- Thoracic duct
- Thyroid
- Vessels - brachiocephalic, subclavian, common carotid, thyrocervical trunk
- Spinal cord
Zone II
- Larynx
- Hypopharynx
- CN X, XI, XII
- Vessels - carotids, internal jugular
- Spinal cord
Zone III
- Pharynx
- Cranial nerves
- Vessels - carotids, IJV, vertebral
- Spinal cord
Clinical presentation
Important questions to ask
- Mechanism of injury
- Pain
- Aerodigestive tract - dyspnoea, hoarseness, dysphona, dysphagia, haemoptysis
- CNS problems - paraethesias, weakness
Signs
- ABCDE
- Inspect through platysma
- Zone of neck
- Bleeding/haematoma
- Aerodigestive injuries
- Neurological - power, sensation upper arm
Investigations and management
- FBC, G+S/XM
- CXR - haemopneumothorax, emphysema
- CT angiogram
- Urgent exploration - expanding haematoma, hypovolaemic shock, airway obstruction, blood in aerodigestive tract
- Laryngoscopy, bronchoscopy, pharyngoscopy, and oesophagoscopy
- Angiography - embolise, occluse