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AO-Spine subaxial fracture classification score. (A) Compression fracture; (B) burst fracture; (C) tension band injury fracture; (D) locked facets; (E) fracture dislocation; (F) sagittal T2 weighted images showing ligamentum flavum and supraspinous ligaments tear (arrow). AO, Arbeitsgemeinschaft für Osteosynthesefragen.
