Segmentation-guided multi-modal registration of liver images for dose estimation in SIRT
This study investigated the feasibility of liver regis... (Source: EJNMMI Physics)
Source: EJNMMI Physics - January 25, 2022 Category: Radiology Authors: Xikai Tang, Esmaeel Jafargholi Rangraz, Richard ’s Heeren, Walter Coudyzer, Geert Maleux, Kristof Baete, Chris Verslype, Mark J. Gooding, Christophe M. Deroose and Johan Nuyts Tags: Original research Source Type: research
Quantitative evaluation of PSMA PET imaging using a realistic anthropomorphic phantom and shell-less radioactive epoxy lesions
Positron emission tomography (PET) with prostate specific membrane antigen (PSMA) have shown superior performance in detecting metastatic prostate cancers. Relative to [18F]fluorodeoxyglucose ([18F]FDG) PET image... (Source: EJNMMI Physics)
Source: EJNMMI Physics - January 15, 2022 Category: Radiology Authors: Roberto Fedrigo, Dan J. Kadrmas, Patricia E. Edem, Lauren Fougner, Ivan S. Klyuzhin, M. Peter Petric, Fran çois Bénard, Arman Rahmim and Carlos Uribe Tags: Original research Source Type: research
The effect of Q.Clear reconstruction on quantification and spatial resolution of 18F-FDG PET in simultaneous PET/MR
Q.Clear is a block sequential regularized expectation maximization penalized-likelihood reconstruction algorithm for Positron Emission Tomography (PET). It has shown high potential in improving image reconstru... (Source: EJNMMI Physics)
Source: EJNMMI Physics - January 10, 2022 Category: Radiology Authors: Defeng Tian, Hongwei Yang, Yan Li, Bixiao Cui and Jie Lu Tags: Original research Source Type: research
A population-based method to determine the time-integrated activity in molecular radiotherapy
The calculation of time-integrated activities (TIAs) for tumours and organs is required for dosimetry in molecular radiotherapy. The accuracy of the calculated TIAs is highly dependent on the chosen fit functi... (Source: EJNMMI Physics)
Source: EJNMMI Physics - December 14, 2021 Category: Radiology Authors: Deni Hardiansyah, Ade Riana, Peter Kletting, Nouran R. R. Zaid, Matthias Eiber, Supriyanto A. Pawiro, Ambros J. Beer and Gerhard Glatting Tags: Original research Source Type: research
Nonclinical study and applicability of the absorbed dose conversion method with a single biodistribution measurement for targeted alpha-nuclide therapy
We recently reported a new absorbed dose conversion method, RAP (RAtio of Pharmacokinetics), for 211At-meta-astatobenzylguanidine (211At-MABG) using a single biodistribution measurement, the percent injected dose... (Source: EJNMMI Physics)
Source: EJNMMI Physics - December 11, 2021 Category: Radiology Authors: Tetsuya Sakashita, Shojiro Matsumoto, Shigeki Watanabe, Hirofumi Hanaoka, Yasuhiro Ohshima, Yoko Ikoma, Naoyuki Ukon, Ichiro Sasaki, Tatsuya Higashi, Tetsuya Higuchi, Yoshito Tsushima and Noriko S. Ishioka Tags: Original research Source Type: research
Artificial intelligence with deep learning in nuclear medicine and radiology
The use of deep learning in medical imaging has increased rapidly over the past few years, finding applications throughout the entire radiology pipeline, from improved scanner performance to automatic disease ... (Source: EJNMMI Physics)
Source: EJNMMI Physics - December 11, 2021 Category: Radiology Authors: Milan Decuyper, Jens Maebe, Roel Van Holen and Stefaan Vandenberghe Tags: Review Source Type: research
Fully automated identification of brain abnormality from whole-body FDG-PET imaging using deep learning-based brain extraction and statistical parametric mapping
The whole brain is often covered in [18F]Fluorodeoxyglucose positron emission tomography ([18F]FDG-PET) in oncology patients, but the covered brain abnormality is typically screened by visual interpretation witho... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 14, 2021 Category: Radiology Authors: Wonseok Whi, Hongyoon Choi, Jin Chul Paeng, Gi Jeong Cheon, Keon Wook Kang and Dong Soo Lee Tags: Original research Source Type: research
Practical kidney dosimetry in peptide receptor radionuclide therapy using [177Lu]Lu-DOTATOC and [177Lu]Lu-DOTATATE with focus on uncertainty estimates
We present the SPECT/CT-based implementation at Aarhus University Hospi... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 13, 2021 Category: Radiology Authors: Peter Fr øhlich Staanum, Anders Floor Frellsen, Marie Louise Olesen, Peter Iversen and Anne Kirstine Arveschoug Tags: Original research Source Type: research
EANM dosimetry committee series on standard operational procedures: a unified methodology for 99mTc-MAA pre- and 90Y peri-therapy dosimetry in liver radioembolization with 90Y microspheres
The aim of this standard operational procedure is to standardize the methodology employed for the evaluation of pre- and post-treatment absorbed dose calculations in 90Y microsphere liver radioembolization. Basic... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 12, 2021 Category: Radiology Authors: Carlo Chiesa, Katarina Sjogreen-Gleisner, Stephan Walrand, Lidia Strigari, Glenn Flux, Jonathan Gear, Caroline Stokke, Pablo Minguez Gabina, Peter Bernhardt and Mark Konijnenberg Tags: Guideline Source Type: research
Fractal analysis of 11C-methionine PET in patients with newly diagnosed glioma
The present study tested the possible utility of fractal analysis from l-[methyl-11C]-methionine (MET) uptake in patients with newly diagnosed gliomas for differentiating glioma, especially in relation to isocitr... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 6, 2021 Category: Radiology Authors: Yukito Maeda, Yuka Yamamoto, Takashi Norikane, Katsuya Mitamura, Tetsuhiro Hatakeyama, Keisuke Miyake, Yoshihiro Nishiyama and Nobuyuki Kudomi Tags: Short communication Source Type: research
Harmonization of PET image reconstruction parameters in simultaneous PET/MRI
Simultaneous PET/MRIs vary in their quantitative PET performance due to inherent differences in the physical systems and differences in the image reconstruction implementation. This variability in quantitative... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 5, 2021 Category: Radiology Authors: Richard Laforest, Mehdi Khalighi, Yutaka Natsuaki, Abhejit Rajagopal, Dharshan Chandramohan, Darrin Byrd, Hongyu An, Peder Larson, Sara St. James, John J. Sunderland, Paul E. Kinahan and Thomas A. Hope Tags: Original research Source Type: research
Application of dual-stream 3D convolutional neural network based on 18F-FDG PET/CT in distinguishing benign and invasive adenocarcinoma in ground-glass lung nodules
This work aims to train, validate, and test a dual-stream three-dimensional convolutional neural network (3D-CNN) based on fluorine 18 (18F)-fluorodeoxyglucose (FDG) PET/CT to distinguish benign lesions and invas... (Source: EJNMMI Physics)
Source: EJNMMI Physics - November 2, 2021 Category: Radiology Authors: Xiaonan Shao, Rong Niu, Xiaoliang Shao, Jianxiong Gao, Yunmei Shi, Zhenxing Jiang and Yuetao Wang Tags: Original research Source Type: research
Standardizing SPECT/CT dosimetry following radioembolization with yttrium-90 microspheres
(Source: EJNMMI Physics)
Source: EJNMMI Physics - October 30, 2021 Category: Radiology Authors: S. Peter Kim, Daniel Juneau, Claire Cohalan and Shirin A. Enger Tags: Original research Source Type: research
Image quality and quantification accuracy dependence on patient body mass in 89Zr PET/CT imaging
This study was conducted to clarify how patient body mass affects the image quality and quantification accuracy of images obtained using 89Zr PET/CT. 89Zr PET/CT images from time-of-flight (TOF) PET/CT and semico... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 30, 2021 Category: Radiology Authors: Ukihide Tateishi, Hiromitsu Daisaki, Junichi Tsuchiya, Yuji Kojima, Keisuke Takino, Naoki Shimada and Kota Yokoyama Tags: Short communication Source Type: research
Quantitative SPECT (QSPECT) at high count rates with contemporary SPECT/CT systems
Accurate QSPECT is crucial in dosimetry-based, personalized radiopharmaceutical therapy with 177Lu and other radionuclides. We compared the quantitative performance of three NaI(Tl)-crystal SPECT/CT systems equip... (Source: EJNMMI Physics)
Source: EJNMMI Physics - October 30, 2021 Category: Radiology Authors: Alessandro Desy, Guillaume F. Bouvet, Étienne Croteau, Nancy Lafrenière, Éric E. Turcotte, Philippe Després and Jean-Mathieu Beauregard Tags: Short communication Source Type: research
