This finding on MRI is commonly associated with which of the following conditions?

A 40 year old man presents to your clinic for evaluation of progressive loss of sensation in both
his arms. Further questioning reveals that the patient was in a motor vehicle accident a few years
ago and suffered a cervical spinal cord injury. He has since made a full recovery without any
neurological symptoms until now. Physical exam reveals loss of pain and temperature sensation
bilaterally, but preservation of vibratory sense and muscle strength. A sagittal MRI T1 image of
the patient’s cervical spine is shown. This finding on MRI is commonly associated with which of
the following conditions?

A. Pseudotumor cerebri
B. Dandy-Walker malformation
C. Arnold-Chiari malformation
D. Alzheimer’s disease
E. Scoliosis