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Case of the Week 302 
What's the most likely diagnosis?
- 28 year old in motor vehicle collision
- Clay-shoveler's fracture
- Extension teardrop fracture
- Locked facets
- Flexion teardrop fracture
- Jefferson fracture
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Answer:
2. Extension teardrop fracture
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Extension Teardrop Fracture
General Considerations
- Fracture of the cervical spine caused by the sudden pull of the anterior longitudinal ligament on the anterior, inferior aspect of the vertebral body following extreme hyperextension of the neck
- Usually involves C2
- Anterior longitudinal ligament inserts on anteroinferior aspect of C2
- Fracture of C2 is stable in flexion and unstable in hyperextension
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