Detection of sub-centimeter lesions using digital TOF-PET/CT system combined with Bayesian penalized likelihood reconstruction algorithm

…, R Nemoto, M Masubuchi, Y Kamitaka… - Annals of Nuclear …, 2020 - Springer
Objective Many advances in PET/CT technology can potentially improve image quality and
the ability to detect small lesions. A new digital TOF-PET/CT scanner based on silicon …

[HTML][HTML] Impact of γ factor in the penalty function of Bayesian penalized likelihood reconstruction (Q.Clear) to achieve high-resolution PET images

K Miwa, T Yoshii, K Wagatsuma, S Nezu, Y Kamitaka… - EJNMMI physics, 2023 - Springer
Background The Bayesian penalized likelihood PET reconstruction (BPL) algorithm, Q.Clear
(GE Healthcare), has recently been clinically applied to clinical image reconstruction. The …

[HTML][HTML] Optimization of a Bayesian penalized likelihood algorithm (Q.Clear) for 18F-NaF bone PET/CT images acquired over shorter durations using a custom …

…, K Shimada, K Wagatsuma, T Yamao, Y Kamitaka… - EJNMMI physics, 2020 - Springer
Background The Bayesian penalized likelihood (BPL) algorithm Q.Clear (GE Healthcare)
allows fully convergent iterative reconstruction that results in better image quality and …

Determination of optimal regularization factor in Bayesian penalized likelihood reconstruction of brain PET images using [18F]FDG and [11C]PiB

K Wagatsuma, K Miwa, Y Kamitaka, E Koike… - Medical …, 2022 - Wiley Online Library
Purpose The Bayesian penalized likelihood (BPL) reconstruction algorithm, Q.Clear, can
achieve a higher signal‐to‐noise ratio on images and more accurate quantitation than ordered …

Toward standardization of tau PET imaging corresponding to various tau PET tracers: a multicenter phantom study

…, K Miwa, G Akamatsu, T Yamao, Y Kamitaka… - Annals of Nuclear …, 2023 - Springer
Objective Tau positron emission tomography (PET) imaging is a recently developed non-invasive
tool that can detect the density and extension of tau neurofibrillary tangles. Tau PET …

[HTML][HTML] Automated semi-quantitative amyloid PET analysis technique without MR images for Alzheimer's disease

…, N Tamamura, Y Yamaguchi, Y Kamitaka… - Annals of Nuclear …, 2022 - Springer
Objective Although beta-amyloid (Aβ) positron emission tomography (PET) images are
interpreted visually as positive or negative, approximately 10% are judged as equivocal in …

[HTML][HTML] Differentiation between non-small cell lung cancer and radiation pneumonitis after carbon-ion radiotherapy by 18F-FDG PET/CT texture analysis

M Suga, R Nishii, K Miwa, Y Kamitaka, K Yamazaki… - Scientific Reports, 2021 - nature.com
The differentiation of non-small cell lung cancer (NSCLC) and radiation pneumonitis (RP) is
critically essential for selecting optimal clinical therapeutic strategies to manage post carbon-…

[HTML][HTML] Deep Learning-Driven Estimation of Centiloid Scales from Amyloid PET Images with 11C-PiB and 18F-Labeled Tracers in Alzheimer's Disease

…, N Miyaji, K Hasegawa, K Wagatsuma, Y Kamitaka… - Brain Sciences, 2024 - mdpi.com
Background: Standard methods for deriving Centiloid scales from amyloid PET images are
time-consuming and require considerable expert knowledge. We aimed to develop a deep …

[HTML][HTML] Phantom and clinical evaluation of the Bayesian penalised likelihood reconstruction algorithm Q. Clear without PSF correction in amyloid PET images

…, K Miwa, Y Hamano, H Kawakami, Y Kamitaka… - EJNMMI physics, 2024 - Springer
Purpose Bayesian penalised likelihood (BPL) reconstruction, which incorporates point-spread-function
(PSF) correction, provides higher signal-to-noise ratios and more accurate …

Impact of irregular waveforms on data-driven respiratory gated PET/CT images processed using MotionFree algorithm

…, K Motegi, K Wagatsuma, Y Kamitaka… - Annals of Nuclear …, 2023 - Springer
Objectives MotionFree® (AMF) is a data-driven respiratory gating (DDG) algorithm for image
processing that has recently been introduced into clinical practice. The present study aimed …