Multiple sclerosis patient started on tecfidera: fatigue. There are multiple supratentorial and infratentorial T2 hyperintense white matter lesions, many of which have decreased in size. There is no evidence of intracranial hemorrhage, mass, or acute infarct. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, paranasal sinuses, and scalp soft tissues are grossly unremarkable.
Interval decrease in size of many of the intracranial demyelinating lesions.