Spine Trauma
A 32-year-old man is brought to the emergency department following a motor vehicle accident. He is awake, alert, and complaining of severe neck pain. Neurological examination reveals C6 ASIA A complete spinal cord injury (no motor or sensory function below C6). Lateral cervical X-ray shows the C5 vertebral body displaced anteriorly on C6 by 50% of the vertebral body width with bilateral facet dislocations. Regarding cervical facet dislocations:
Mark each as TRUE or FALSE
BILATERAL FACET DISLOCATION (BFD) results from HYPERFLEXION with distraction; BOTH facets displace A...
UNILATERAL FACET DISLOCATION (UFD) results from HYPERFLEXION with ROTATION; only ONE facet is locked...
Bilateral facet dislocation produces less than 25% anterior translation; it is caused by hyperextens...
ALLEN-FERGUSON classification of subaxial cervical trauma: DISTRACTIVE FLEXION (DF) mechanism with 4...
RADIOGRAPHIC FEATURES: lateral X-ray shows anterior translation (greater than 25% = UFD, greater tha...
Answer the questions to see explanations
Click T (True) or F (False) for each option