Figure 5.

AO-Spine thoracolumbar fracture classification score. (A) A0. Apophyseal fracture. (B) A1. Compression fracture without involvement of the posterior wall. (C) A2. Split fracture without involvement of the posterior wall. (D) A3. Burst fracture with involvement of one endplate. (E) A4. Burst fracture with involvement of both endplates. (F) B1. Trans osseous fracture. (G) B2. Posterior tension band injury fracture. (H) B3. Anterior tension band injury fracture (arrow). (I) Fracture dislocation injury type C. (J) MRI showing flavum (arrow), interspinous and supraspinous ligamentum tear. AO, Arbeitsgemeinschaft für Osteosynthesefragen; MRI, magnetic resonance imaging.