Fig. 17From: MDCT of acute subaxial cervical spine trauma: a mechanism-based approachHyperextension compression injury. a Parasagittal CT image shows C6, C7 articular pillar and process comminuted fracture with vertical orientation (black arrows). Focal anterior widening of C4–C5 facet joint (white arrow) is a characteristic feature of hyperextension injury. b Coronal CT image from the articular pillar in a different patient shows left C5 articular pillar fracture with vertical orientation and comminution (black arrow)Back to article page