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Figure 2: Tc99m-ECD SPECT. Initial presentation (a, b) shows reduced tracer uptake in bifrontal regions (arrows; less dark region indicates poor perfusion). At 4 months follow-up (c, d), shows marked improvement in perfusion (dark areas indicates normal perfusion)

Figure 2: Tc99m-ECD SPECT. Initial presentation (a, b) shows reduced tracer uptake in bifrontal regions (arrows; less dark region indicates poor perfusion). At 4 months follow-up (c, d), shows marked improvement in perfusion (dark areas indicates normal perfusion)