L1 burst fracture
Fall 4.5 meters onto feet.
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There is a comminuted burst 3 column fracture involving the L1 vertebra, including a large retropulsed fragment causing significant stenosis of the central canal. Bilateral L1 transverse process fractures. Associated kyphosis with subluxation of the left T12/L1 facet joint. Minimally displaced fracture through the T12 spinous process is also noted.
Associated retroperitoneal haematoma extends from the T12 level down to the aortic bifurcation, without evidence of active contrast extravasation/bleeding.
No hepatic or splenic laceration or haematoma identified. No intraperitoneal free gas or fluid. The adrenals, kidneys and pancreas are normal. Large and small bowel is normal limits. The bladder is unremarkable.
Burst fracture is a type of compression fracture which results in disruption of the posterior vertebral body cortex with retropulsion into the spinal canal.