Teenager in motor vehicle accident with neck pain

CT of fracture / distraction of C2 vertebral body
Sagittal (left) and coronal (right) 2D reconstructions from a CT without contrast of the cervical spine shows an oblique lucency through the C2 vertebral body with distraction of the fracture fragments. There is marked prevertebral soft tissue swelling throughout the cervical spine.

The diagnosis was a fracture-distraction of C2.