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SPINE
A Hangman’s fracture is classically defined as:
AA burst fracture of the C1 ring
BBilateral fractures of the pars interarticularis of C2
CAn avulsion fracture of the C7 spinous process
DA fracture of the dens (odontoid process)
Explanation: A Hangman's fracture (traumatic spondylolisthesis of the axis) involves bilateral fractures through the pars interarticularis of the C2 vertebra, often caused by hyperextension and axial loading.