School ager in a motor vehicle accident with back pain

CT of Chance fracture in lumbar spine
Sagittal CT without contrast of the lumbar spine (left) shows anterior wedging of the L1 and L2 vertebral bodies and a horizontal fracture through the spinous process of the L1 vertebral body. 3D CT from the left (middle) and right (right) show bilateral L1-L2 facet distraction resulting in a focal kyphosis at L1-L2.

The diagnosis was Chance fracture of the lumbar spine.