Patient 12. Patient 12. A 43-year-old woman with headache, blurred vision, and mental status change.A, T2-weighted axial MR image shows bilateral centrum semiovale hyperintense foci (arrows).B, On axial echo-planar DW image, the lesions (arrows) are hyperintense.C, On axial ADC map, the lesions (arrows) are hypointense.D, Follow-up axial CT scan shows low-attenuation foci (arrows), corresponding to the abnormalities on initial MR images, that are consistent with infarct. Mark E. Mullins et al. AJNR Am J Neuroradiol 2004;25:1666-1675 ©2004 by American Society of Neuroradiology