Clinical Study
Differences of Various Region-of-Interest Methods for Measuring Dopamine Transporter Availability Using -TRODAT-1 SPECT
Table 3
Striatal DAT availabilities, declines per decade of DAT availabilities, and striatum sizes in the transverse slices of the striatum ROIs defined by the atlas approaches.
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Voxels: each voxel is of 2.897 mm × 2.897 mm × 2.897 mm. : the axis of the OC mark is at the transverse slice with the largest striatum area. For comparisons, the same OC averages from the threshold-ROI methods were used in the calculation of (ST-OC)/OC. |