Natural History, Neuroradiological Workup, and Management Options of Chronic Atlantoaxial Rotatory Fixation Caused by Drug-Induced Cervical Dystonia

Figure 1

Patient position before reduction (a) and CT of the cervical spine on admission (b–h). (b) Axial view of C1, (c) axial view of C2, (d) coronal view, (e) sagittal view, and (f–h) three-dimensional reconstruction. The C1-C2 rotatory angle was 60 degrees.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)