Research Article

Magnetic Resonance Imaging of Chiari Malformation Type I in Adult Patients with Dysphagia

Figure 1

Osseous marks and nerve tissue structure of PCF and liner measurements on the median sagittal MRI scan. A: saddle back, B: the front edge of foramen magnum, C: the back edge of foramen magnum, D: the inside pillow tuberosity, and F: the lower end of the cerebellar tonsils.