Synovial Cyst of the Atlantoaxial Joint Removed through a Posterior Intradural Approach

Figure 1

Cervical spine X-ray images. The left oblique view (a) revealed the left C5-6 and C6-7 stenoses (arrow). Anteflexion (b) and retroflexion (c) did not show cervical spine instability.

(a)

(b)

(c)