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Time course of Gf enhancement. A: Inflammatory plaques located periventricularly (upper row), close to the parahippocampal fissure (middle row), and within the cerebellum (lower row) are depicted to exemplify the minor signal enhancement 1 h post Gf application compared to the vast parenchymal enrichment 24 h after Gf injection. B: Gradual Gf signal decline over a time period of 14 days is demonstrated in a periventricular lesion.
