Traumatic Craniocervical Dissociation in Patients with Congenital Assimilation of the Atlas to the Occiput

<div>Case 1: cervical CT. (a) Complete C1 assimilation, C2-C3 congenital fusion block. (b) Previous C5-C7 ACDF. The C1 anterior ring is fracture displaced and positioned anterior to the clivus. The C1 posterior arch is fused to the occiput. (c) Left atlantoaxial subluxation. (d) Right condyle C1 lateral mass fracture dislocation.</div>

Case Reports in Orthopedics

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Figure 1

Figure 1: Traumatic Craniocervical Dissociation in Patients with Congenital Assimilation of the Atlas to the Occiput 