Figure 2 A: T2-weighted SE coronal view MRI of posterior cerebral artery (PCA) territory infarct before treatment. White matter changes are seen with lateral mass effect on lateral ventricle, left thalamus involvement and widespread edema involving the brainstem (arrows). B: Eleven days of daily DMSO – FDP i.v. administration, dramatic reduction of edema and lower signal intensity with some apparent improvement in gray matter and thalamic involvement (arrow). Patient AE, male, age 62. See text for additional information on this patient