Identify this radiographic finding:
"Jefferson fracture is the eponymous name given to a burst fracture of the atlas. It was originally described as a four-part fracture with double fractures through the anterior and posterior arches, but three-part and two-part fractures have also been described.
50% are associated with other cervical spine injuries
33% are associated with a C2 fracture
25-50% of young children have a concurrent head injury
blunt cerebrovascular injury (BCVI): vertebral artery injury
extracranial cranial nerve injury" 1.
