Adjacent-level vertebral body fractures after expandable cage reconstruction

Report of 4 cases

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✓Expandable cages are frequently used to reconstruct the anterior spinal column after a corpectomy. The forces that are used to expand these cages can be large, depending upon the mechanism of expansion. To the authors' knowledge, there have been no reports of adjacent-level vertebral body fracture after placement of expandable cages. The authors report 4 cases of adjacent-level vertebral body fractures after placement of expandable cages. This study found that the fracture pattern in the coronal plane was similar in all cases.

Abbreviation used in this paper: CT = computed tomography.
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Contributor Notes

Address correspondence to: Dean Chou, M.D., University of California San Francisco, Department of Neurological Surgery, 505 Parnassus Avenue, Room M779, San Francisco, California 94143-0112. email: choud@neurosurg.ucsf.edu.
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