• Eur Spine J · May 2014

    Case Reports

    A case of vertebral artery duplication at the level of atlas: anatomical description.

    • Maciej K Ciołkowski, Paweł Krajewski, and Bogdan Ciszek.
    • Department of Descriptive and Clinical Anatomy, Centre of Biostructure Research, Medical University of Warsaw, Chałubińskiego 5, 02-004, Warsaw, Poland, maciej.ciolkowski@wum.edu.pl.
    • Eur Spine J. 2014 May 1;23 Suppl 2:285-7.

    PurposeTo present case of vertebral artery duplication surrounding the posterior arch of atlas.MethodsThe vertebral artery variation was encountered during dissection of specimen from the body of a 62-year-old man.ResultsThe vertebral artery formed a circle located extraduraly, surrounding the posterior arch of atlas vertebra. Topography and morphometry of the finding is described. Embryology and clinical significance based on literature review are discussed.ConclusionsPrecise diagnostic imaging is necessary before surgical interventions at the level of cranio-spinal junction in order to avoid conflict with rare vascular variations.

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