PMC5134113_01
PMC5134113_02
Brain F-18 FDG PET of our patient. The right electrode was ON and the left electrode was OFF during the study. The study shows no difference in metabolic activity between the two hemispheres despite the difference in electrical stimulation
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F1
We obtained a 18F-fluorodeoxyglucose (FDG) PET study of the brain to identify DBS-related alterations in cerebral metabolism that could explain the symptoms [Figure 1].
PMC5134113_03
Single photon (SPECT) imaging obtained following the injection of Iodine-123 Ioflupane (DaTscan). The images show a normal distribution of dopamine reuptake transporters at the presynaptic terminals within the striatum bilateral. The findings are inconsistent with Parkinson's disease
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F2
The study revealed normal distribution of the dopamine transporter within the striatum [Figure 2], which was inconsistent with the diagnosis of any parkinsonian syndromes.