Fig. 1.
Upper panel: [123I]FP-CIT SPECT scan (transverse slices) acquired in 2011 (binding ratios: right caudate nucleus 2.62, left caudate nucleus 2.56, right putamen 2.37, and left putamen 2.21). Lower panel: follow-up [123I]FP-CIT SPECT scan acquired in 2012 shows lower tracer binding (binding ratios: 1.82, 1.84, 1.95, and 1.70, respectively)