PET/MRI hybrid systems
JG Mannheim, AM Schmid, J Schwenck… - Seminars in nuclear …, 2018 - Elsevier
Over the last decade, the combination of PET and MRI in one system has proven to be
highly successful in basic preclinical research, as well as in clinical research. Nowadays …
highly successful in basic preclinical research, as well as in clinical research. Nowadays …
Positron range corrections and denoising techniques for gallium-68 PET imaging: a literature review
P Gavriilidis, M Koole, S Annunziata, FM Mottaghy… - Diagnostics, 2022 - mdpi.com
Gallium-68 (68Ga) is characterized by relatively high positron energy compared to Fluorine-
18 (18F), causing substantial image quality degradation. Furthermore, the presence of …
18 (18F), causing substantial image quality degradation. Furthermore, the presence of …
Noise-aware dynamic image denoising and positron range correction for Rubidium-82 cardiac PET imaging via self-supervision
Abstract Rubidium-82 (82 Rb) is a radioactive isotope widely used for cardiac PET imaging.
Despite numerous benefits of 82 Rb, there are several factors that limits its image quality …
Despite numerous benefits of 82 Rb, there are several factors that limits its image quality …
[HTML][HTML] Implementation of a spatially-variant and tissue-dependent positron range correction for PET/CT imaging
Aim To develop and evaluate a new approach for spatially variant and tissue-dependent
positron range (PR) correction (PRC) during the iterative PET image reconstruction …
positron range (PR) correction (PRC) during the iterative PET image reconstruction …
Deep-learning based positron range correction of PET images
Featured Application This work demonstrates that a trained deep neural network is able to
accurately correct the blurring present in PET images when using radionuclides with large …
accurately correct the blurring present in PET images when using radionuclides with large …
Positron range in combination with point-spread-function correction: an evaluation of different implementations for [124I]-PET imaging
Aim To evaluate the effect of combining positron range correction (PRC) with point-spread-
function (PSF) correction and to compare different methods of implementation into iterative …
function (PSF) correction and to compare different methods of implementation into iterative …
MRI-driven PET image optimization for neurological applications
Y Zhu, X Zhu - Frontiers in Neuroscience, 2019 - frontiersin.org
Positron emission tomography (PET) and magnetic resonance imaging (MRI) are
established imaging modalities for the study of neurological disorders, such as epilepsy …
established imaging modalities for the study of neurological disorders, such as epilepsy …
Positron range-free and multi-isotope tomography of positron emitters
FJ Beekman, C Kamphuis… - Physics in Medicine …, 2021 - iopscience.iop.org
Despite improvements in small animal PET instruments, many tracers cannot be imaged at
sufficiently high resolutions due to positron range, while multi-tracer PET is hampered by the …
sufficiently high resolutions due to positron range, while multi-tracer PET is hampered by the …
Evaluation of image quality with four positron emitters and three preclinical PET/CT systems
J Teuho, L Riehakainen, A Honkaniemi, O Moisio… - EJNMMI research, 2020 - Springer
Background We investigated the image quality of 11 C, 68 Ga, 18 F and 89 Zr, which have
different positron fractions, physical half-lifes and positron ranges. Three small animal …
different positron fractions, physical half-lifes and positron ranges. Three small animal …
PET iterative reconstruction incorporating an efficient positron range correction method
Positron range is one of the main physical effects limiting the spatial resolution of positron
emission tomography (PET) images. If positrons travel inside a magnetic field, for instance …
emission tomography (PET) images. If positrons travel inside a magnetic field, for instance …