Feasibility of Computed Tomography-Guided Methods for Spatial Normalization of Dopamine Transporter Positron Emission Tomography Image.

Although there were highly significant differences in caudate and putaminal SUVR values between the controls and PD patients ( P < 10 -4 for caudate, P < 10 -22 for putamen), there was greater range of overlapping SUVR values derived from the PET-guided method between the two diagnostic groups ( Fig 3 ).

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