PMC4361838_01
(a) Injury mechanism: distraction and rotation (b) left unilateral facet dislocation of C6-7
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F1
The head of the boy had been entrapped and squeezed by the automatic sliding garage door and he had tried to pull back his head forcefully [Figure 1].
(a) The facet dislocation between C6 and C7 and anterolysthesis of C6 and loss of cervical lordosis were seen on lateral cervical X-ray. (b) Left unilateral facet dislocation was observed on CT; (c) there was no associated SC damage on MRI
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F2
There was left locked UFD without associated fracture on three-dimensional computerized tomography (3D-CT), and no disc and spinal cord (SC) damage on magnetic resonance imaging (MRI) was seen [Figure 2].
Postoperative (a) anteroposterior (b) lateral X-ray
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F3
In the same stage, C6-7 discectomy, cage implantation and C6-7 anterior plating was performed via anterior subaxial approach [Figure 3].
Interbody fusion on a) coronal and b) sagittal CT imges c) facet fusion on sagittal CT image
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F4
Three months after the surgery, there was no pain with motion and fusion was seen in the first third month control [Figure 4].