PMC8488903_01
Cervical spine CT sagittal bone window showing C3 on C4 anterior subluxation.
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F1
CT scan showed left parietal skull fracture with underlying punctate cerebral contusions. Cervical spine CT scan [Figure 1] reported as 75% C3 on C4 anterior subluxation and suggested need for urgent spinal fixation.
Lateral cervical spine X-ray taking with rigid neck collar 2nd day posttrauma in intensive care unit.
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F2
A review of the cervical spine CT scan showed double shadow which suggested CT motion artifact and 75% C3 on C4 anterior subluxation was not compatible with spontaneous respiration and limbs movement in the patient which necessitated request for supine lateral x-ray [Figure 2] of the cervical spine on posttraumatic day 2 which showed no fracture or malalignment.
Lateral cervical spine (a) flexion and (b) extension X-ray taking on the 18th day posttrauma.
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F3
He had erect cervical spine flexion and extension X-rays studies [Figure 3] on posttraumatic day 18 which showed normal bone alignment without radiological instability.