Cervical_Facet_Dislocations_&_Fxrs

Question 1

Allen & Ferguson Classification of Subaxial Cervical Spine Injuries

Answer 1

Flexion-Compression
Vertical Compression
Flexion-Distraction
Extension-Compression
Extension-Distraction
Lateral Flexion

Question 2

Allen & Ferguson Flexion Distraction Injuries

Answer 2

Stage 1 - Facet Subluxation
Stage 2 - Unilateral Facet Dislocation
Stage 3 - Bilateral Facet Dislocation with 50% displacement
Stage 4 - Complete dislocation (100% displacement)

Question 3

Why should MRI always be performed prior to open reduction and stabilization of cervical flexion-distraction injury?

Answer 3

If a disc herniation is present with compression on the spinal cord, then you must go anteriorly first to perform an anterior disco Tommy