Bilateral facet dislocation
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A bilateral facet dislocation is an unstable flexion distraction type of dislocation of the cervical spine, often a result of buckling force. Occasionally, the bilateral facet dislocation has been named a 'doubly-locked' vertebral injury giving the impression of stability. However, due to complete ligamentous disruption, this is, in fact, an unstable injury 1.
It has been thought to result from hyperflexion, however, recent studies suggest a buckling force to be the cause 2.
- 1. The Radiology of Acute Cervical Spine Trauma. 3rd ed. (1996) Radiology. doi:10.1148/radiology.200.1.248
- 2. O'Shaughnessy J, Grenier JM, Stern PJ. A delayed diagnosis of bilateral facet dislocation of the cervical spine: a case report. J Can Chiropr Assoc. 2014;58 (1): 45-51. Free text at pubmed - Pubmed citation