Nuclear medicine practice in Japan: a report of the eighth nationwide survey in 2017

…, S Baba, K Hirata, M Yoshimura, H Yoneyama - Annals of Nuclear …, 2019 - Springer
Objective Subcommittee on Survey of Nuclear Medicine Practice in Japan has performed a
nationwide survey of nuclear medicine practice every 5 years since 1982 to survey …

[HTML][HTML] Comparison of diagnostic performance of four software packages for phase dyssynchrony analysis in gated myocardial perfusion SPECT

…, K Nakajima, S Matsuo, S Kashiwaya, H Yoneyama… - EJNMMI research, 2017 - Springer
Background Phase analysis of gated myocardial perfusion single-photon emission computed
tomography (SPECT) for assessment of left ventricular (LV) dyssynchrony was investigated …

Accuracy of an artificial neural network for detecting a regional abnormality in myocardial perfusion SPECT

…, H Mori, S Matsuo, H Yoneyama… - Annals of nuclear …, 2019 - Springer
Objectives The patient-based diagnosis with an artificial neural network (ANN) has shown
potential utility for the detection of coronary artery disease; however, the region-based …

[HTML][HTML] The usefulness of SwiftScan technology for bone scintigraphy using a novel anthropomorphic phantom

T Shibutani, M Onoguchi, Y Naoi, H Yoneyama… - Scientific Reports, 2021 - nature.com
The aim of this study was to demonstrate the usefulness of SwiftScan with a low-energy high-resolution
and sensitivity (LEHRS) collimator for bone scintigraphy using a novel bone …

[HTML][HTML] Ability of artificial intelligence to diagnose coronary artery stenosis using hybrid images of coronary computed tomography angiography and myocardial …

H Yoneyama, K Nakajima, J Taki… - European Journal of …, 2019 - Springer
Background Detecting culprit coronary arteries in patients with ischemia using only myocardial
perfusion single-photon emission computed tomography (SPECT) can be challenging. …

[HTML][HTML] Application of a tungsten apron for occupational radiation exposure in nursing care of children with neuroblastoma during 131I-meta-iodo-benzyl-guanidine …

Y Taniguchi, H Wakabayashi, H Yoneyama, Z Chen… - Scientific Reports, 2022 - nature.com
The use of effective shielding materials against radiation is important among medical staff in
nuclear medicine. Hence, the current study investigated the shielding effects of a …

Metal artifact reduction for improving quantitative SPECT/CT imaging

T Konishi, T Shibutani, K Okuda, H Yoneyama… - Annals of Nuclear …, 2021 - Springer
Objective This study aimed to evaluate the effect of the metal artifact reduction (MAR)
method on quantitative single-photon emission computed tomography (SPECT)/computed …

A myocardial extraction method using deep learning for 99mTc myocardial perfusion SPECT images: A basic study to reduce the effects of extra-myocardial activity

…, T Kawakami, K Nakajima, H Yoneyama - Computers in Biology …, 2022 - Elsevier
Aim The purpose of this study was to automatically extract myocardial regions from transaxial
single-photon emission computed tomography (SPECT) images using deep learning to …

The utility of heart-to-mediastinum ratio using a planar image created from IQ-SPECT with Iodine-123 meta-iodobenzylguanidine

T Shibutani, K Nakajima, H Yoneyama… - Journal of Nuclear …, 2021 - Springer
Aims 123 I-labeled meta-iodobenzylguanidine (MIBG) has used a planar image to measure
the heart-to-mediastinum ratio (HMR). However, planar images are not available from IQ-…

Improved detection of sentinel lymph nodes in SPECT/CT images acquired using a low-to medium-energy general-purpose collimator

H Yoneyama, H Tsushima, M Kobayashi… - Clinical nuclear …, 2014 - journals.lww.com
Purpose The use of the low-energy high-resolution (LEHR) collimator for lymphoscintigraphy
causes the appearance of star-shaped artifacts at injection sites. The aim of this study was …