 The ventricles and sulci are normal in size. Incidental note is made of persistent FLAIR T2 signal within a left sided perivascular space. The cerebellar tonsils are in normal position. There are no masses, mass effect or midline shift. The pituitary gland is normal in size. There is no evidence for intracranial hemorrhage or acute cerebral, brainstem or cerebellar infarction. No diffusion-weighted abnormalities are identified. Myelination is appropriate. There are no extraaxial fluid collections or subdural hematomas. Flow voids are present within the major vessels indicating patency. The paranasal sinuses and mastoid air cells are clear. There is no abnormal enhancement within the brain.
Negative MRI of the brain including gadolinium enhancement. Specifically, there are no MRI findings to explain the patient's abnormal movements.