N-isopropyl-p-123I-iodoamphetamine brain perfusion SPECT has been used with various
attenuation coefficients (μ-values); however, optimization is required. This study aimed to …

Objective: The radioactivity count distribution in the brain must be determined accurately to
accurately measure cerebral blood flow (CBF). Scatter and attenuation are factors that …

Purpose The aim of this study was to elucidate the regional differences between brain
perfusion single photon emission computed tomography (SPECT) images reconstructed …

2120 Objectives: Attenuation correction is required for quantitative analysis of brain
perfusion SPECT. While X-ray CT is commonly used for attenuation correction of brain …

Generally, the Chang method depends on counts for the attenuation correction (AC) method
in brain perfusion single-photon emission computed tomography (SPECT), because the …

Purpose The purpose of our study is the establishment of normal database (NDB) from
persons (aged 50-80 years) for 3D-SSP analysis of 123I-IMP brain perfusion SPECT image …

1265 Objectives: We have established the common normal database (NDB) for statistical
analysis of brain perfusion SPECT with triple energy window (TEW) scatter correction, CT …

Objectives We have established a common normal database (NDB) with applicability in
multicenter settings for the statistical analysis of brain perfusion single photon emission …

The aim of this work was to optimize the parameters for semiquantitative analysis with
regard to the average number of counts per pixel in tomographic projections. The analysed …

We prepared a phantom using an object with approximately the same attenuation coefficient
as that of skull bone to investigate how skull bone affects SPECT images in quantitative …