• Neurochirurgie · Dec 2012

    Review Case Reports

    Modified posterior atlantoaxial screw-rod fixation in a case of persistent first intersegmental artery. Case report and literature review.

    • J Duntze, G Pech-gourg, T Adetchessi, G Armaganian, P Rakotozanany, and S Fuentes.
    • Service de neurochirurgie, hôpital Maison-Blanche, CHU de Reims, 45, rue Cognacq-Jay, 51092 Reims, France. jduntze@chu-reims.fr
    • Neurochirurgie. 2012 Dec 1;58(6):369-71.

    ObjectiveThis case reports atlantoaxial stabilization in case of V3 segment anomaly.PatientWe report the case of a patient who was victim of a complex C2 fracture requiring atlantoaxial stabilization whereas the initial cervical 3D CT angiography showed a persistent first intersegmental artery consisting in a V3 segment of the vertebral artery penetrating dura-mater in the spinal canal below the C1 posterior arch without passing through the C1 foramen transversarium.ResultsThis rare vascular anomaly described in 2 to 5% of the patients led us to modify the screw entrance over the C1 posterior arch in order to obtain a satisfactory stabilization and to limit the risk of vertebral artery injury.Copyright © 2012. Published by Elsevier Masson SAS.

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