[HTML][HTML] PET/CT scanning with 3D acquisition is feasible for quantifying myocardial blood flow when diagnosing coronary artery disease
…, M Kroenke, N Oyama-Manabe, K Hirata, D Shinyama… - EJNMMI research, 2017 - Springer
Background The quantification of myocardial blood flow (MBF) and coronary flow reserve (CFR)
are useful approaches for evaluating the functional severity of coronary artery disease (…
are useful approaches for evaluating the functional severity of coronary artery disease (…
Scatter correction with combined single-scatter simulation and Monte Carlo simulation scaling improved the visual artifacts and quantification in 3-dimensional brain …
K Magota, T Shiga, Y Asano, D Shinyama… - Journal of Nuclear …, 2017 - Soc Nuclear Med
In 3-dimensional PET/CT imaging of the brain with 15 O-gas inhalation, high radioactivity in
the face mask creates cold artifacts and affects the quantitative accuracy when scatter is …
the face mask creates cold artifacts and affects the quantitative accuracy when scatter is …
[HTML][HTML] Halo artifacts of indwelling urinary catheter by inaccurate scatter correction in 18F-FDG PET/CT imaging: incidence, mechanism, and solutions
K Magota, N Numata, D Shinyama, J Katahata… - EJNMMI physics, 2020 - Springer
Background Halo artifacts from urinary catheters can occur due to inaccurate scatter correction,
and the artifacts affect the tumor visibility in 18 F-FDG PET/CT images. We investigated …
and the artifacts affect the tumor visibility in 18 F-FDG PET/CT images. We investigated …
Comparative study of physiological FDG uptake in small structures between silicon photomultiplier-based PET and conventional PET
…, J Takenaka, N Wakabayashi, D Shinyama… - Annals of Nuclear …, 2024 - Springer
Objective Silicon photomultiplier-based positron emission tomography/computed tomography
(SiPM-PET/CT) has the superior spatial resolution to conventional PET/CT (cPET/CT). This …
(SiPM-PET/CT) has the superior spatial resolution to conventional PET/CT (cPET/CT). This …
Assessment of incidental pituitary uptake on FDG PET/CT scan: Digital vs. conventional PET/CT
1294 Introduction: The physiological uptake of the pituitary gland is rarely met in the study of
conventional PET (CPET). FDG accumulation in the sellar is warranted further diagnostic …
conventional PET (CPET). FDG accumulation in the sellar is warranted further diagnostic …
An improved MR sequence for attenuation correction in PET/MR hybrid imaging
…, Y Watanabe, R Kamei, D Shinyama… - Magnetic Resonance …, 2016 - Elsevier
The aim of this study was to investigate the effects of MR parameters on tissue segmentation
and determine the optimal MR sequence for attenuation correction in PET/MR hybrid …
and determine the optimal MR sequence for attenuation correction in PET/MR hybrid …
Visualization and Quantitative Evaluation of Arterial Inflammatory Plaque of Carotid, Coronary, and Aorta in Patients with Coronary Artery Disease Using a SiPM PET …
…, K Hirata, S Furuya, Y Uchiyama, D Shinyama… - 2021 - Soc Nuclear Med
1675 Introduction: In patients with lifestyle-related diseases, atherosclerotic plaque progresses,
and stenosis is accelerated. This process leads to plaque collapse, causing cerebral …
and stenosis is accelerated. This process leads to plaque collapse, causing cerebral …
Halo Artifacts of Indwelling Urinary Catheter by Inaccurate Scatter Correction in 18F-FDG PET/CT Imaging: Incidence Rate, Mechanism, and Solutions
K Magota, N Numata, D Shinyama, J Katahata… - 2020 - researchsquare.com
Background: Halo artifacts from urinary catheters can occur due to inaccurate scatter correction,
and the artifacts affect the tumor visibility in 18 F-FDG PET/CT images. We investigated …
and the artifacts affect the tumor visibility in 18 F-FDG PET/CT images. We investigated …
Pediatric brain FDG PET exposure could be reduced by 60% with a Digital Photon Counting PET/CT.
…, S Furuya, Y Munakata, R Asad, D Shinyama - 2020 - Soc Nuclear Med
1512 Objectives: In nuclear medicine and molecular imaging, small amounts of radioactive
agents are administered to the patient to allow the physician to examine molecular processes …
agents are administered to the patient to allow the physician to examine molecular processes …
Correlation of simultaneously acquired standardized uptake value of 18FDG and apparent diffusion coefficient in tumors of soft tissue and bone using voxel-by-voxel …
D Shinyama, Y Watanabe, S Hong, K Ishimatsu… - 2018 - Soc Nuclear Med
247 Objectives: PET/MRI hybrid imaging simultaneously provides morphologic and multiple
functional data, which thus allows for voxel-by-voxel comparison of image data and for …
functional data, which thus allows for voxel-by-voxel comparison of image data and for …