PMC8077438_01
Brain dopamine transporter study. Reduction of tracer uptake in the putamen on both sides, more marked on the left. Slightly reduced relative uptake of tracer in the head of the caudate nucleus on the left.
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F1
A dopamine transporter (DaT) scan demonstrated a bilateral reduction in tracer uptake in both putamina, which was more marked on the left with some reduction in the head of the left caudate nucleus (Fig. 1).
Brain MRI. Cerebral atrophy predominantly involving the frontal and the temporal lobes.
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F2
Brain MRI performed 90 months after initial presentation demonstrated early frontotemporal atrophy with no white matter change or other abnormality (Fig. 2).