Neuro-Chirurgie · 2012
Modified posterior atlantoaxial screw-rod fixation in a case of persistent first intersegmental artery. Case report and literature review.
Клинический случайСтатьяОбзорНазвание и аннотация: Перевод в очереди
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Duntze J, Pech-gourg G, Adetchessi T, Armaganian G, Rakotozanany P, Fuentes S
Аннотация
OBJECTIVE: This case reports atlantoaxial stabilization in case of V3 segment anomaly.
PATIENT: We 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.
RESULTS: This 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.
PATIENT: We 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.
RESULTS: This 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.