A, Arrow indicates fracture of right occipital condyle in patient with occipital-cervical dissociation injury. B, Arrow indicates widened and incongruous occipital condyle-C1 joint. C, Arrow indicates the right occipital condyle fracture has been reduced. Arrow indicates left occipital condyle-C1 joint is congruous. D, Anatomic alignment with fixation to skull, C1 lateral mass, and C2 isthmus. E, Lateral radiograph of occipitocervical plate-rod construct. SEETECHNIQUE 41.5.