Towards quantitative small-animal imaging on hybrid PET/CT and PET/MRI systems

M Amirrashedi, H Zaidi, MR Ay - Clinical and Translational Imaging, 2020 - Springer
Aim Over the past two decades, innovations in small-animal positron emission tomography
(PET) have reached an impressive level, which has brought countless opportunities to …

Innovations in small-animal PET/MR imaging instrumentation

C Tsoumpas, D Visvikis, G Loudos - PET clinics, 2016 - pet.theclinics.com
Over the past 15 years, the advent of multimodality imaging, initially with the development of
PET/computed tomography (CT) and single-photon emission computed tomography …

PET iterative reconstruction incorporating an efficient positron range correction method

O Bertolli, A Eleftheriou, M Cecchetti, N Camarlinghi… - Physica medica, 2016 - Elsevier
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 …

Tissue-dependent and spatially-variant positron range correction in 3D PET

J Cal-Gonzalez, M Perez-Liva… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Positron range (PR) is a significant factor that limits PET image resolution, especially with
some radionuclides currently used in clinical and preclinical studies such as 82 Rb, 124 I …

Monte Carlo simulations of the GE Signa PET/MR for different radioisotopes

PRRV Caribé, S Vandenberghe, A Diogo… - Frontiers in …, 2020 - frontiersin.org
NEMA characterization of PET systems is generally based on 18F because it is the most
relevant radioisotope for the clinical use of PET. 18F has a half-life of 109.7 min and decays …

Quantitative analysis of the effect of the magnetic field generated by a PET/MR scanner on positron range

D Ku-Toval, M Rodríguez-Villafuerte… - Physics in Medicine …, 2024 - iopscience.iop.org
Objective. Image quality (IQ) in positron emission tomography (PET) is influenced by
positron range. In this work, the effect of the magnetic field of a PET/MR Siemens Biograph …

Compressive effect of the magnetic field on the positron range in commonly used positron emitters simulated using Geant4

C Li, X Cao, F Liu, H Tang, Z Zhang, B Wang… - The European Physical …, 2017 - Springer
The compressive effect of a magnetic field on the positron range from commonly used
positron emitters in PET (Positron Emission Tomography) was simulated using the Geant4 …

Y-90 PET/MR imaging optimization with a Bayesian penalized likelihood reconstruction algorithm

J Calatayud-Jordán, N Carrasco-Vela… - … Engineering Sciences in …, 2024 - Springer
Abstract Positron Emission Tomography (PET) imaging after 90 Y liver radioembolization is
used for both lesion identification and dosimetry. Bayesian penalized likelihood (BPL) …

Effect of tissue density on PET spatial resolution in magnetic environment

C Li, X Cao, F Liu, P Zhang, Z Zhang, L Wei… - The European Physical …, 2020 - Springer
Simultaneous positron emission tomography (PET) and magnetic resonance imaging (MRI)
can provide a strong magnetic field to improve the PET spatial resolution by restricting the …

[PDF][PDF] Chong Li, **ngzhong Cao, Fuyan Liu, Peng Zhang, Zhiming Zhang, Long Wei

B Wang - researchgate.net
Simultaneous positron emission tomography (PET) and magnetic resonance imaging (MRI)
can provide a strong magnetic field to improve the PET spatial resolution by restricting the …