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D. Unilateral facetal dislocation

A. Radiologic featrures
Anterior dislocation of affected vertebral body - body의 AP diamter의 절반 이내
Discordant rotation above and below involved level
Facet within intervertebral foramen on oblique view
Widening of the disk space
“bow tie” or “bat wing” appearance of the overriding locked facets
Stable Fx.