HIGHLIGHTS
SUMMARY
This study aimed to assess the performance of five semi-quantitative methods used for DAT images through of the performance of accuracy and precision under controlled simulation conditions using an anthropomorphic striatal phantom. A fifth compartment defined as the brain shell was filled with a smaller activity than in the volumes of interest and used as a reference volume, representing a non-specific_activity value (background counts) for the quantification processes. DAT semi-quantification methods of SPECT images are important due to the applicability of these routines in image processing by algorithms of normalization and . . .
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