Abstract
The craniocervical junction (CCJ) is an anatomically complex region and essential for cervical mobility. It contributes to about 50% of the range of motion (ROM) of the cervical spine. The occiput-C1-C2 apparatus not only conducts and protects the vertebral artery as it transitions from the transverse foramina to the point where it penetrates the dura and subarachnoid space, it is also a platform that supports and allows numerous forms of motion of the head and neck. When occipitoatlantal dislocation occurs, the associated instability can result in death or severe neurological disability. Damage to the medulla and high cervical spinal cord can be devastating. Compromise of lower cranial nerves can cause severe swallowing and vocalization difficulties and cardiovascular problems. The vertebral artery can be compromised from bony dislocation or a dissection injury, thereby causing ischemic injury to the cerebellum and medullary structures.
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Gantwerker, B., Dickman, C.A., Sonntag, V.K.H. (2011). Craniocervical junction instability after lateral approach of the craniocervical junction. In: Pathology and surgery around the vertebral artery. Springer, Paris. https://doi.org/10.1007/978-2-287-89787-0_39
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DOI: https://doi.org/10.1007/978-2-287-89787-0_39
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