Relationship Between the Alignment of the Occipitoaxial and Subaxial Cervical Spine in Patients With Congenital Atlantoxial Dislocations

Study Design: Prospective radiographic analysis. Objective: This study aimed to characterize the relationship between the alignment of the occipitoaxial (OA) and the subaxial spine, establish normal parameters, and to determine the influence of upper cervical spine alignment on subaxial degenerative disc disease (DDD) and clinical outcomes in this population. Summary of Background Data: Previous studies reported that the alignments of the upper...