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September 10, 2025Journal of Nuclear Medicine Technology0 citations

Optimization of Reconstruction Parameters for Striatal SPECT Using Semiconductor System

Optimization of Block Sequential Regularized Expectation Maximization Reconstruction Parameters for Striatal SPECT Using a Ring-Type Semiconductor SPECT/CT System

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Authors

NYNobuo YamaguchiHOHayato OdagiriHSHayato Sato

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Overview

Phantom study optimizes noise-suppression and edge-preservation parameters in striatal SPECT, indicating effective imaging criteria.

Key Points

  • The optimal β and γ values for striatal SPECT reconstruction were found to be 0.03 and 5 or 0.05 and 10, respectively.
  • As β increased, the percent coefficient of variation decreased, while the percent contrast increased with rising γ values.
  • Visual evaluations confirmed that specific β and γ combinations led to accurate tracer accumulation depiction in striatal regions.
  • The striatal uptake ratio was comparable for both optimal image sets, enhancing the diagnostic quality of the SPECT images.

Cite This Study

Yamaguchi et al. (2025) studied this question.

synapsesocial.com/papers/68c1d23a54b1d3bfb60f803ehttps://doi.org/10.2967/jnmt.125.269869
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