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Copyright ©The Author(s) 2015.
World J Radiol. Sep 28, 2015; 7(9): 253-265
Published online Sep 28, 2015. doi: 10.4329/wjr.v7.i9.253
Table 3 Subcategories of AO type C injury
Type C: Anterior and posterior element injury with rotation
C1. Type A injuries with rotation(compression injuries with rotation)
C1.1. Rotational wedge fracture
C1.2. Rotational split fractures
C1.2.1. Rotational sagittal split fracture
C1.2.2. Rotational coronal split fracture
C1.2.3. Rotational pincer fracture
C1.2.4. Vertebral body separation
C1.3. Rotational burst fractures
C1.3.1. Incomplete rotational burst fractures
C1.3.2. Rotational burst-split fracture
C1.3.3. Complete rotational burst fracture
C2. Type B injuries with rotation
C2.1. B1 injuries with rotation (flexion-distraction injuries with rotation)
C2.1.1. Rotational flexion subluxation
C2.1.2. Rotational flexion subluxation with unilateral articular process fracture
C2.1.3. Unilateral dislocation
C2.1.4. Rotational anterior dislocation without/with fracture of articular processes
C2.1.5. Rotational flexion subluxation without/with unilateral articular process + type A fracture
C2.1.6. Unilateral dislocation + type A fracture
C2.1.7. Rotational anterior dislocation without/with fracture of articular processes + type A fracture
C2.2. B2 injuries with rotation (flexion distraction injuries with rotation)
C2.2.1. Rotational transverse bicolumn fracture
C2.2.2. Unilateral flexion spondylolysis with disruption of the disc
C2.2.3. Unilateral flexion spondylolysis + type A fracture
C2.3. B3 injuries with rotation (hyperextension-shear injuries with rotation)
C2.3.1. Rotational hyperextension-subluxation without/with fracture of posterior vertebral elements
C2.3.2. Unilateral hyperextension-spondylolysis
C2.3.3. Posterior dislocation with rotation
C3. Rotational-shear injuries
C3.1. Slice fracture
C3.2. Oblique fracture