On the use of solid 133Ba sources as surrogate for liquid 131I in SPECT/CT calibration: a European multi-centre evaluation
Commissioning, calibration, and quality control procedures for nuclear medicine imaging systems are typically performed using hollow containers filled with radionuclide solutions. This leads to multiple source... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 23, 2023 Category: Radiology Authors: Johannes Tran-Gia, Ana M. Denis-Bacelar, Kelley M. Ferreira, Andrew P. Robinson, Christophe Bobin, Lara M. Bonney, Nicholas Calvert, Sean M. Collins, Andrew J. Fenwick, Domenico Finocchiaro, Federica Fioroni, Katerina Giannopoulou, Elisa Grassi, Warda Hee Tags: Original research Source Type: research
Parametric and non-parametric Poisson regression for modelling of the arterial input function in positron emission tomography
Full quantification of Positron Emission Tomography (PET) requires an arterial input function (AIF) for measurement of certain targets, or using particular radiotracers, or for the quantification of specific o... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 21, 2023 Category: Radiology Authors: Granville J. Matheson, Liner Ge, Mengyu Zhang, Bingyu Sun, Yuqi Tu, Francesca Zanderigo, Anton Forsberg Mor èn and R. Todd Ogden Tags: Original research Source Type: research
Radiation exposure assessment of nuclear medicine staff administering [177Lu]Lu-DOTA-TATE with active and passive dosimetry
The use of lutetium-177 (177Lu)-based radiopharmaceuticals in peptide receptor nuclear therapy is increasing, but so is the number of nuclear medicine workers exposed to higher levels of radiation. In recent year... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 14, 2023 Category: Radiology Authors: Mercedes Riveira-Martin, Lara Struelens, Jos é Muñoz Iglesias, Werner Schoonjans, Olga Tabuenca, José Manuel Nogueiras, Francisco Javier Salvador Gómez and Antonio López Medina Tags: Original research Source Type: research
An automatic pipeline for PET/MRI attenuation correction validation in the brain
Challenges in PET/MRI quantitative accuracy for neurological uses arise from PET attenuation correction accuracy. We proposed and evaluated an automatic pipeline to assess the quantitative accuracy of four MRI... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 14, 2023 Category: Radiology Authors: Mahdjoub Hamdi, Chunwei Ying, Hongyu An and Richard Laforest Tags: Original research Source Type: research
Replacing Lu-177 with Tb-161 in DOTA-TATE and PSMA-617 therapy: potential dosimetric implications for activity selection
To explore the dosimetric effect of substituting Lu-177 with Tb-161 in targeted radionuclide therapy (TRT) using the registered tracers DOTA-TATE and PSMA-617. (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 10, 2023 Category: Radiology Authors: Frederik A. Verburg, Erik de Blois, Stijn Koolen and Mark W. Konijnenberg Tags: Short communication Source Type: research
Harmonization of brain PET images in multi-center PET studies using Hoffman phantom scan
Image harmonization has been proposed to minimize heterogeneity in brain PET scans acquired in multi-center studies. However, standard validated methods and software tools are lacking. Here, we assessed the pe... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 31, 2023 Category: Radiology Authors: Mahnaz Shekari, Eline E. Verwer, Maqsood Yaqub, Marcel Daamen, Christopher Buckley, Giovanni B. Frisoni, Pieter Jelle Visser, Gill Farrar, Frederik Barkhof, Juan Domingo Gispert and Ronald Boellaard Tags: Original research Source Type: research
Combining deep learning with a kinetic model to predict dynamic PET images and generate parametric images
Dynamic positron emission tomography (PET) images are useful in clinical practice because they can be used to calculate the metabolic parameters (Ki) of tissues using graphical methods (such as Patlak plots). Ki ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 24, 2023 Category: Radiology Authors: Ganglin Liang, Jinpeng Zhou, Zixiang Chen, Liwen Wan, Xieraili Wumener, Yarong Zhang, Dong Liang, Ying Liang and Zhanli Hu Tags: Original research Source Type: research
Optimization of Q.Clear reconstruction for dynamic 18F PET imaging
Q.Clear, a Bayesian penalized likelihood reconstruction algorithm, has shown high potential in improving quantitation accuracy in PET systems. The Q.Clear algorithm controls noise during the iterative reconstr... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 20, 2023 Category: Radiology Authors: Elisabeth Kirkeby Lysvik, Lars Tore Gyland Mikalsen, Mona-Elisabeth Rootwelt-Revheim, Kyrre Eeg Emblem and Trine Hj ørnevik Tags: Original research Source Type: research
Ultra-low-dose CT for attenuation correction: dose savings and effect on PET quantification for protocols with and without tin filter
Ultra-low-dose (ULD) computed tomography (CT) scans should be used when CT is performed only for attenuation correction (AC) of positron emission tomography (PET) data. A tin filter can be used in addition to ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 20, 2023 Category: Radiology Authors: Natalie Anne Bebbington, Kenneth Boye Christensen, Lone Lange Østergård and Paw Christian Holdgaard Tags: Original research Source Type: research
Quantitative 177Lu SPECT/CT imaging for personalized dosimetry using a ring-shaped CZT-based camera
In this study, we characterized for the first ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 18, 2023 Category: Radiology Authors: Rachele Danieli, Martina Stella, Julian Leube, Johannes Tran-Gia, Clementine Marin, Carlos F. Uribe, Bruno Vanderlinden, Nick Reynaert, Patrick Flamen and Hugo Levillain Tags: Original research Source Type: research
The effects of various penalty parameter values in Q.Clear algorithm for rectal cancer detection on 18F-FDG images using a BGO-based PET/CT scanner: a phantom and clinical study
The Q.Clear algorithm is a fully convergent iterative image reconstruction technique. We hypothesize that different PET/CT scanners with distinct crystal properties will require different optimal settings for ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 16, 2023 Category: Radiology Authors: Fatemeh Sadeghi, Peyman Sheikhzadeh, Saeed Farzanehfar, Pardis Ghafarian, Yalda Moafpurian and Mohammadreza Ay Tags: Young investigators Source Type: research
Comparative studies of the sensitivities of sparse and full geometries of Total-Body PET scanners built from crystals and plastic scintillators
Alongside the benefits of Total-Body imaging modalities, such as higher sensitivity, single-bed position, low dose imaging, etc., their final construction cost prevents worldwide utilization. The main aim of t... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 11, 2023 Category: Radiology Authors: M. Dadgar, S. Parzych, J. Baran, N. Chug, C. Curceanu, E. Czerwi ński, K. Dulski, K. Elyan, A. Gajos, B. C. Hiesmayr, Ł. Kapłon, K. Klimaszewski, P. Konieczka, G. Korcyl, T. Kozik, W. Krzemien & hellip; Tags: Original research Source Type: research
PET imaging and quantification of small animals using a clinical SiPM-based camera
This study evaluated the ability of a clinical SiPM-PET camera to image several rats simultaneously and to perform quantification data ana... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 7, 2023 Category: Radiology Authors: C édric Desmonts, Charline Lasnon, Cyril Jaudet and Nicolas Aide Tags: Young investigators Source Type: research
Quantitative validation of Monte Carlo SPECT simulation: application to a Mediso AnyScan GATE simulation
Monte Carlo (MC) simulations are used in nuclear medicine imaging as they provide unparalleled insight into processes that are not directly experimentally measurable, such as scatter and attenuation in an acqu... (Source: EJNMMI Physics)
Source: EJNMMI Physics - September 30, 2023 Category: Radiology Authors: Sophia Pells, David M. Cullen, Daniel Deidda, Ana M. Denis-Bacelar, Andrew Fenwick, Kelley M. Ferreira, David Hamilton, Warda Heetun, Peter Julyan, George Needham, Ben Pietras, Emlyn Price, James Scuffham, Jill Tipping and Andrew P. Robinson Tags: Original research Source Type: research
Abstracts of the Total Body PET 2022 conference
(Source: EJNMMI Physics)
Source: EJNMMI Physics - September 28, 2023 Category: Radiology Tags: Meeting Abstracts Source Type: research
