fig5

Figure 5. (A) Sagittal computer tomography (CT) reveals that the intervertebral foramen is markedly narrowed on the right side at C5/6 (arrow); (b) foraminal stenosis and deformity of the facet joint on the right side are also observed in axial CT image (arrow); (C) axial magnetic resonance imaging image also reveals that the foraminal stenosis on the right side is severe compared to that on the left (arrow). R: right side