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Chapter: Neuro

Subchapter: Spine (Read entire chapter)

Diagnosis: Chance fracture (seatbelt fracture) - Radiography and MRI
Frontal (A) and lateral (B) radiographs of the thoracic spine demonstrate ankylosis at all levels due to calcified syndesmophytes with an abnormal horizontal hyperlucent line just below the superior endplate of T7 vertebral body (anterior view) and an oblique lucent line through the posterior T7 vertebral body (lateral view, white arrows). In addition, a fracture of the anterior syndesmophyte between T6 and T7 is also identified on the lateral view (black arrow). T1 (C) and T2 (D) weighted sagittal MR images confirm the fracture of T7 vertebral body extending through to the posterior elements. This type of injury (hyperflexion, e.g. due to seatbelt compression while decelerating) is frequently associated with injuries to internal organs (e.g. pancreas, duodenum).




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