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(A) DaT‐SPECT 10 months after first initial symptom demonstrates normal striatal uptake. (B) DaT‐SPECT 3 years after clinical onset shows left putamen uptake. (C–E) Brain MRI 3 years after symptom onset. Axial fluid‐attenuation inversion recovery images demonstrate severe and bilateral left greater than right frontoparietal atrophy.
