fig3

Figure 3. (a) Serial magnetic resonance imaging at 4th month of follow-up showing persistence of fluid-attenuated inversion recovery (FLAIR) hyperintensity with early overlying bifrontal atrophy; (b) FLAIR image at 1 year of follow-up demonstrating marked reduction in hyperintensity and significant atrophy; (c) T1-weighted gadolinium-enhanced image at 1 year showing no contrast enhancement in contrast to Figure 1b and c