Figure 1From: C1 posterior arch screw as an auxiliary anchor in posterior reconstruction for atlantoaxial dislocation associated with type II odontoid fracture: a case report and review of the literatureSagittal computed tomography (CT) reconstruction images before surgery. Posteriorly displaced odontoid fracture (B) and bilateral dislocation of the C1-C2 facet joint (A and C) were prominent. To the right of C2, a high-riding vertebral artery (VA) was revealed (A; arrow).Back to article page