Fig. 2From: Anti-LGI1 autoimmune encephalitis: insights from three cases with serial PET imagingCase 2, R: F-18 FDG PET images of the brain suggested increased FDG uptake in the left caudate and putamen (a: PET/CT) (b: PET) (red arrow) in the transaxial image. A repeat scan three days after IVIG showed a reduction in metabolism in the same region (c and d) (yellow arrow)Back to article page