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  • Title: Vascular anatomy in the suboccipital region and lateral cervical puncture.
    Author: Cox TC, Stevens JM, Kendall BE.
    Journal: Br J Radiol; 1981 Jul; 54(643):572-5. PubMed ID: 7260511.
    Abstract:
    The theoretical risk of injuring the vertebral artery or anomalous vessels at lateral cervical puncture is assessed. In just less than 30% of vertebral arteries the vessel overlies the lateral aspect of the spinal canal between the first and second cervical vertebrae, usually the antero-inferior quadrant. Directing the spinal needle to the posterior third of the canal virtually eliminates the possibility of injuring this and most anomalous arteries traversing the region. The likelihood of inducing subarachnoid haemorrhage by injuring these vessels would appear to be considerably less in lateral cervical than in cisternal puncture.
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