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Diagnostic Imaging
Thoracolumbar trauma
Question | Answer |
---|---|
horizontal fracture through the spinous,laminae,pedicles,TVP and posterior vertebral body, extending to the endplate | Chances or Seatbelt Fracture |
what is the mechanism of injury for a Chances fracture? | hyperflexion/distraction injury |
what is the most common site for a Chance fracture? | upper lumbar |
Horizontal fracture through the body without endplate involved with interspinous ligament is torn | Smith Fracture |
what are difference between a compression fracture and a burst fracture? | compression affects only one endplate.Burst fracture affects both endplates |
what are the radiographic findings for a compression fracture? | Wedge-shape body,step defect,zonal condensation and paraspinal deviation. |
what are the radiographic findings for a burst fracture? | widen interpedicular distance,enlarged body on axial plane and displaced paraspinal line |
what does the anterior column consist of? | ALL, anterior 2/3 of vertebral body and anterior aspect of disc. |
what does the middle column consist of? | PLL, posterior 1/3 of vertebral body,posterior aspect of disc. |
what does the posterior column consist of? | All the posterior structures. |
what are the complications of a chest wall trauma? | pneumothorax,pulmonary contusion,visceral rupture,aneurysm,cardiac bruising |
what are the complications for a thoracolumbar trauma? | visceral injury,neurological injury and unstable spine and altered biomechanics |