Figure 1. MRI of the cervical spine.
Magnetic resonance imaging (MRI) of the cervical spine, mid-sagittal T2-weighted image, shows tonsillar herniation (orange arrow), medullary kinking (red arrow), and hydrosyringomyelia (blue arrow) (A). Axial and coronal MRI T2-weighted images show hydrosyringomyelia (blue arrow) (B and C).