A systematic review and meta-analysis on the radiation dose of computed tomography in hybrid nuclear medicine imaging
While diagnostic reference levels (DRLs) are well-established for the radiopharmaceutical part, published DRLs for the CT component of positron emission tomography/computed tomography (PET/CT) and single photo... (Source: EJNMMI Physics)
Source: EJNMMI Physics - May 25, 2023 Category: Radiology Authors: Gwenny Verfaillie, Caro Franck, An De Crop, Laurence Beels, Yves D ’Asseler and Klaus Bacher Tags: Review Source Type: research
Safety injections of nuclear medicine radiotracers: towards a new modality for a real-time detection of extravasation events and 18F-FDG SUV data correction
18F-FDG PET/CT imaging allows to study oncological patients and their relative diagnosis through the standardised uptake value (SUV) evaluation. During radiopharmaceutical injection, an extravasation event may o.... (Source: EJNMMI Physics)
Source: EJNMMI Physics - May 23, 2023 Category: Radiology Authors: Mauro Iori, Elisa Grassi, Lorenzo Piergallini, Greta Meglioli, Andrea Botti, Giada Sceni, Noemi Cucurachi, Laura Verzellesi, Domenico Finocchiaro, Annibale Versari, Beatrice Fraboni and Federica Fioroni Tags: Original research Source Type: research
Triple modality image reconstruction of PET data using SPECT, PET, CT information increases lesion uptake in images of patients treated with radioembolization with \(^{90}Y\) micro-spheres
Nuclear medicine imaging modalities like computed tomography (CT), single photon emission CT (SPECT) and positron emission tomography (PET) are employed in the field of theranostics to estimate and plan the do... (Source: EJNMMI Physics)
Source: EJNMMI Physics - May 3, 2023 Category: Radiology Authors: Daniel Deidda, Ana M. Denis-Bacelar, Andrew J. Fenwick, Kelley M. Ferreira, Warda Heetun, Brian F. Hutton, Daniel R. McGowan, Andrew P. Robinson, James Scuffham, Kris Thielemans and Robert Twyman Tags: Original research Source Type: research
Quantitative application of dual-phase 99mTc-sestamibi SPECT/CT imaging of parathyroid lesions: identification of optimal timing in secondary hyperparathyroidism
In this retrospective study, we compared the maximum standardized uptake values (SUVmax) of parathyroid lesions and the target-to-background ratio (TBR) of parathyroid lesions to thyroid tissue in early-phase ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - April 20, 2023 Category: Radiology Authors: Yuhua Wang, Ye Liu, Na Li, Kang Xu and Wanchun Zhang Tags: Original research Source Type: research
Validation of \(^{99m}\)Tc and \(^{177}\)Lu quantification parameters for a Monte Carlo modelled gamma camera
Monte Carlo (MC) simulation in Nuclear Medicine is a powerful tool for modeling many physical phenomena which are difficult to track or measure directly. MC simulation in SPECT/CT imaging is particularly suita... (Source: EJNMMI Physics)
Source: EJNMMI Physics - April 8, 2023 Category: Radiology Authors: Giovanni Di Domenico, Simona Di Biaso, Lorenzo Longo, Alessandro Turra, Eugenia Tonini, MariaConcetta Longo, Licia Uccelli and Mirco Bartolomei Tags: Original research Source Type: research
Efficiency determination of J-PET: first plastic scintillators-based PET scanner
The Jagiellonian Positron Emission Tomograph is the 3-layer prototype of the first scanner based on plastic scintillators, consisting of 192 half-metre-long strips with readouts at both ends. Compared to cryst... (Source: EJNMMI Physics)
Source: EJNMMI Physics - April 8, 2023 Category: Radiology Authors: S. Sharma, J. Baran, N. Chug, C. Curceanu, E. Czerwi ński, M. Dadgar, K. Dulski, K. Eliyan, A. Gajos, N. Gupta-Sharma, B. C. Hiesmayr, K. Kacprzak, Ł. Kapłon, K. Klimaszewski, P. Konieczka, G. Korcyl & hellip; Tags: Original research Source Type: research
Correction: Comparison of deep learning-based denoising methods in cardiac SPECT
(Source: EJNMMI Physics)
Source: EJNMMI Physics - April 6, 2023 Category: Radiology Authors: Antti Sohlberg, Tuija Kangasmaa, Chris Constable and Antti Tikkakoski Tags: Correction Source Type: research
Stereotactical normalization with multiple templates representative of normal and Parkinson-typical reduction of striatal uptake improves the discriminative power of automatic semi-quantitative analysis in dopamine transporter SPECT
The specific binding ratio (SBR) of 123I-FP-CIT in the putamen is widely used to support the interpretation of dopamine transporter (DAT) SPECT. Automatic methods for computation of the putamen SBR often include ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - March 29, 2023 Category: Radiology Authors: Ivayla Apostolova, Tassilo Schiebler, Catharina Lange, Franziska Lara Mathies, Wencke Lehnert, Susanne Klutmann and Ralph Buchert Tags: Original research Source Type: research
Performance evaluation of a novel multi-pinhole collimator on triple-NaI-detector SPECT/CT for dedicated myocardial imaging
In this study we evaluated the imaging capabilities of a novel Multi-pinhole collimator (MPH-Cardiac) specially designed for nuclear cardiology imaging on a Triple-NaI-detector based SPECT/CT system. (Source: EJNMMI Physics)
Source: EJNMMI Physics - March 25, 2023 Category: Radiology Authors: Aron K. Krizsan, Kornel Kukuts, Walid Al-Muhanna, Zoltan Szoboszlai, Laszlo Balazs, Balazs Szabo, Janos Kiss, Stephan Nekolla, Sandor Barna, Ildiko Garai, Tamas Bukki and Attila Forgacs Tags: Original research Source Type: research
Developing a novel positronium biomarker for cardiac myxoma imaging
Cardiac myxoma (CM), the most common cardiac tumor in adults, accounts for 50 –75% of benign cardiac tumors. The diagnosis of CM is often elusive, especially in young stroke survivors and transthoracic echocard... (Source: EJNMMI Physics)
Source: EJNMMI Physics - March 24, 2023 Category: Radiology Authors: Pawe ł Moskal, Ewelina Kubicz, Grzegorz Grudzień, Eryk Czerwiński, Kamil Dulski, Bartosz Leszczyński, Szymon Niedźwiecki and Ewa Ł. Stępień Tags: Original research Source Type: research
Personalization of 99mTc-sestamibi activity in SPECT/CT myocardial perfusion imaging with the cardiofocal SmartZoom ® collimator
Patient radioprotection in myocardial perfusion imaging (MPI)-SPECT is important but difficult to optimize. The aim of this study was to adjust injected activity according to patient size —weight or BMI—by usin... (Source: EJNMMI Physics)
Source: EJNMMI Physics - March 24, 2023 Category: Radiology Authors: Emilie Verrecchia-Ramos, Olivier Morel, Val érie Beauchat, Sylvie Denet, Abdourahamane Djibo Sidikou, Merwan Ginet, Estelle Pfletschinger, Luminita Teodor, Maud Trombowsky, Jeany Verdier, Christelle Vère, Paul Retif and Sinan Ben Mahmoud Tags: Short communication Source Type: research
QCard-NM: Developing a semiautomatic segmentation method for quantitative analysis of the right ventricle in non-gated myocardial perfusion SPECT imaging
This study propo... (Source: EJNMMI Physics)
Source: EJNMMI Physics - March 23, 2023 Category: Radiology Authors: Seyed Mohammad Entezarmahdi, Reza Faghihi, Mehran Yazdi, Negar Shahamiri, Parham Geramifar and Mahdi Haghighatafshar Tags: Original research Source Type: research
CT-free quantitative SPECT for automatic evaluation of %thyroid uptake based on deep-learning
Quantitative thyroid single-photon emission computed tomography/computed tomography (SPECT/CT) requires computed tomography (CT)-based attenuation correction and manual thyroid segmentation on CT for %thyroid ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - March 22, 2023 Category: Radiology Authors: Kyounghyoun Kwon, Donghwi Hwang, Dongkyu Oh, Ji Hye Kim, Jihyung Yoo, Jae Sung Lee and Won Woo Lee Tags: Original research Source Type: research
Harmonization of standard uptake values across different positron emission tomography/computed tomography systems and different reconstruction algorithms: validation in oncology patients
In this study, we validated the use of EQ.PET for harmonizing SUVs between different positron... (Source: EJNMMI Physics)
Source: EJNMMI Physics - March 15, 2023 Category: Radiology Authors: Yufei Song, Xiangxi Meng, Zhen Cao, Wei Zhao, Yan Zhang, Rui Guo, Xin Zhou, Zhi Yang and Nan Li Tags: Original research Source Type: research
Multivariate analysis of PET pharmacokinetic parameters improves inferential efficiency
In positron emission tomography quantification, multiple pharmacokinetic parameters are typically estimated from each time activity curve. Conventionally all but the parameter of interest are discarded before ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - March 13, 2023 Category: Radiology Authors: Granville J. Matheson and R. Todd Ogden Tags: Original research Source Type: research
