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  1. Q.Clear is a Bayesian penalized likelihood (BPL) reconstruction algorithm that presents improvements in signal-to-noise ratio (SNR) in clinical positron emission tomography (PET) scans. Brain studies in resear...

    Authors: Daniela Ribeiro, William Hallett and Adriana A. S. Tavares
    Citation: EJNMMI Physics 2021 8:41
    Content type: Original research Published on:

  2. Dosimetry is of high importance for optimization of patient-individual PSMA-targeted radioligand therapy (PSMA-RLT). The aim of our study was to evaluate and compare the feasibility of different approaches of ...

    Authors: Florian Rosar, Niklas Schön, Hendrik Bohnenberger, Mark Bartholomä, Tobias Stemler, Stephan Maus, Fadi Khreish, Samer Ezziddin and Andrea Schaefer-Schuler
    Citation: EJNMMI Physics 2021 8:40
    Content type: Original research Published on:

  3. Quantitative positron emission tomography (PET) studies of neurodegenerative diseases typically require the measurement of arterial input functions (AIF), an invasive and risky procedure. This study aims to as...

    Authors: Mercy I. Akerele, Sara A. Zein, Sneha Pandya, Anastasia Nikolopoulou, Susan A. Gauthier, Ashish Raj, Claire Henchcliffe, P. David Mozley, Nicolas A. Karakatsanis, Ajay Gupta, John Babich and Sadek A. Nehmeh
    Citation: EJNMMI Physics 2021 8:39
    Content type: Original research Published on:

  4. Phantoms are routinely used in molecular imaging to assess scanner performance. However, traditional phantoms with fillable shapes do not replicate human anatomy. 3D-printed phantoms have overcome this by crea...

    Authors: Daniel Gillett, Daniel Marsden, Safia Ballout, Bala Attili, Nick Bird, Sarah Heard, Mark Gurnell, Iosif A. Mendichovszky and Luigi Aloj
    Citation: EJNMMI Physics 2021 8:38
    Content type: Original research Published on:

  5. [11C]-UCB-J is an emerging tool for the noninvasive measurement of synaptic vesicle density in vivo. Here, we report human biodistribution and dosimetry estimates derived from sequential whole-body PET using two ...

    Authors: Christopher Cawthorne, Paul Maguire, Joel Mercier, David Sciberras, Kim Serdons, Guy Bormans, Jan de Hoon, Koen Van Laere and Michel Koole
    Citation: EJNMMI Physics 2021 8:37
    Content type: Short communication Published on:

  6. An amendment to this paper has been published and can be accessed via the original article.

    Authors: Julia Brosch-Lenz, Carlos Uribe, Astrid Gosewisch, Lena Kaiser, Andrei Todica, Harun Ilhan, Franz Josef Gildehaus, Peter Bartenstein, Arman Rahmim, Anna Celler, Sibylle Ziegler and Guido Böning
    Citation: EJNMMI Physics 2021 8:36
    Content type: Correction Published on:

    The original article was published in EJNMMI Physics 2021 8:26

  7. Time-of-flight (TOF) PET technology determines a reduction in the noise and improves the reconstructed image quality in low count acquisitions, such as in overweight patients, allowing a reduction of administe...

    Authors: Roberta Matheoud, Naema Al-Maymani, Alessia Oldani, Gian Mauro Sacchetti, Marco Brambilla and Alessandro Carriero
    Citation: EJNMMI Physics 2021 8:35
    Content type: Original research Published on:

  8. The amount of signal decreases when the acquisition duration is shortened. However, it is not clear how this affects the quantitative values. This study aims to clarify the effect of acquisition time shortenin...

    Authors: Masatoshi Morimoto, Nobuyuki Kudomi, Yukito Maeda, Takuya Kobata, Akihiro Oishi, Keisuke Matsumoto, Toshihide Monden, Takanobu Iwasaki, Katsuya Mitamura, Takashi Norikane, Yuka Yamamoto and Yoshihiro Nishiyama
    Citation: EJNMMI Physics 2021 8:34
    Content type: Original research Published on:

  9. Extravasation of radiopharmaceuticals used for vectorized internal radiotherapy can lead to severe tissue damage (van der Pol et al., Eur J Nucl Med Mol Imaging 44:1234–1243, 2017). Clinical management of thes...

    Authors: Perrine Tylski, Géraldine Pina-Jomir, Claire Bournaud-Salinas and Patrice Jalade
    Citation: EJNMMI Physics 2021 8:33
    Content type: Original research Published on:

  10. [18F]-fluorodeoxyglucose (FDG) positron emission tomography with computed tomography (PET-CT) is a well-established modality in the work-up of patients with suspected or confirmed diagnosis of lung cancer. Recent...

    Authors: Pablo Borrelli, John Ly, Reza Kaboteh, Johannes Ulén, Olof Enqvist, Elin Trägårdh and Lars Edenbrandt
    Citation: EJNMMI Physics 2021 8:32
    Content type: Original research Published on:

  11. Deep learning (DL)-based image quality improvement is a novel technique based on convolutional neural networks. The aim of this study was to compare the clinical value of 18F-fluorodeoxyglucose positron emission ...

    Authors: Junichi Tsuchiya, Kota Yokoyama, Ken Yamagiwa, Ryosuke Watanabe, Koichiro Kimura, Mitsuhiro Kishino, Chung Chan, Evren Asma and Ukihide Tateishi
    Citation: EJNMMI Physics 2021 8:31
    Content type: Original research Published on:

  13. Applied tube voltage (kilovolts, kV) and tube current (milliampere seconds, mAs) affect CT radiation dose and image quality and should be optimised for the individual patient. CARE kV determines the kV and mAs...

    Authors: Natalie A. Bebbington, Troels Jørgensen, Erik Dupont and Mille A. Micheelsen
    Citation: EJNMMI Physics 2021 8:29
    Content type: Original research Published on:

  14. Regular and precise inspection of the realization of the local nuclear medicine standard operation procedures (SOPs) is very complex and time-consuming, especially when large amount of patient data is obtained...

    Authors: Ferenc Nagy, Aron K. Krizsan, Kornél Kukuts, Melinda Szolikova, Zsolt Hascsi, Sandor Barna, Antonietta Acs, Peter Szabo, Lajos Tron, Laszlo Balkay, Magnus Dahlbom, Mihaly Zentai, Attila Forgacs and Ildiko Garai
    Citation: EJNMMI Physics 2021 8:28
    Content type: Original research Published on:

  15. Different gamma camera calibration factor (CF) geometries have been proposed to convert SPECT data into units of activity concentration. However, no consensus has been reached on a standardised geometry. The C...

    Authors: Keamogetswe Ramonaheng, Johannes A. van Staden and Hanlie du Raan
    Citation: EJNMMI Physics 2021 8:27
    Content type: Original research Published on:

  16. Patients with metastatic, castration-resistant prostate cancer (mCRPC) present with an increased tumor burden in the skeleton. For these patients, Lutetium-177 (Lu-177) radioligand therapy targeting the prosta...

    Authors: Julia Brosch-Lenz, Carlos Uribe, Astrid Gosewisch, Lena Kaiser, Andrei Todica, Harun Ilhan, Franz Josef Gildehaus, Peter Bartenstein, Arman Rahmim, Anna Celler, Sibylle Ziegler and Guido Böning
    Citation: EJNMMI Physics 2021 8:26
    Content type: Original research Published on:

    The Correction to this article has been published in EJNMMI Physics 2021 8:36

  17. To determine whether artificial intelligence (AI) processed PET/CT images of reduced by one-third of 18-F-FDG activity compared to the standard injected dose, were non-inferior to native scans and if so to ass...

    Authors: Katia Katsari, Daniele Penna, Vincenzo Arena, Giulia Polverari, Annarita Ianniello, Domenico Italiano, Rolando Milani, Alessandro Roncacci, Rowland O. Illing and Ettore Pelosi
    Citation: EJNMMI Physics 2021 8:25
    Content type: Original research Published on:

  18. Accurate quantification of radioactivity, measured by an integrated positron emission tomography (PET) and magnetic resonance imaging (MRI) system, is still a challenge. One aspect of such a challenge is to co...

    Authors: Adam Farag, R. Terry Thompson, Jonathan D. Thiessen, Frank S. Prato and Jean Théberge
    Citation: EJNMMI Physics 2021 8:24
    Content type: Original research Published on:

  19. Functional lung mapping from Ga68-ventilation/perfusion (V/Q) PET/CT, which has been shown to correlate with pulmonary function tests (PFTs), may be beneficial in a number of clinical applications where sparing r...

    Authors: Lachlan McIntosh, Price Jackson, Nicholas Hardcastle, Mathias Bressel, Tomas Kron, Jason W. Callahan, Daniel Steinfort, Nicholas Bucknell, Michael S. Hofman and Shankar Siva
    Citation: EJNMMI Physics 2021 8:23
    Content type: Original research Published on:

  20. High activities of holmium-166 (166Ho)–labeled microspheres are used for therapeutic radioembolization, ideally directly followed by SPECT imaging for dosimetry purposes. The resulting high-count rate potentially...

    Authors: Martina Stella, Arthur J. A. T. Braat, Marnix G. E. H. Lam, Hugo W. A. M. de Jong and Rob van Rooij
    Citation: EJNMMI Physics 2021 8:22
    Content type: Original research Published on:

  21. To identify the impact of segmentation methods and intensity discretization on radiomic features (RFs) extraction from 68Ga-DOTA-TOC PET images in patients with neuroendocrine tumors.

    Authors: Virginia Liberini, Bruno De Santi, Osvaldo Rampado, Elena Gallio, Beatrice Dionisi, Francesco Ceci, Giulia Polverari, Philippe Thuillier, Filippo Molinari and Désirée Deandreis
    Citation: EJNMMI Physics 2021 8:21
    Content type: Original research Published on:

  22. The Siemens high-resolution research tomograph (HRRT - a dedicated brain PET scanner) is to this day one of the highest resolution PET scanners; thus, it can serve as useful benchmark when evaluating performan...

    Authors: Julia G. Mannheim, Ju-Chieh (Kevin) Cheng, Nasim Vafai, Elham Shahinfard, Carolyn English, Jessamyn McKenzie, Jing Zhang, Laura Barlow and Vesna Sossi
    Citation: EJNMMI Physics 2021 8:20
    Content type: Original research Published on:

  23. A novel generation of PET scanners based on silicon (Si)-photomultiplier (PM) technology has recently been introduced. Concurrently, there has been development of new reconstruction methods aimed at increasing...

    Authors: Jenny Oddstig, Gustav Brolin, Elin Trägårdh and David Minarik
    Citation: EJNMMI Physics 2021 8:19
    Content type: Original research Published on:

  24. PET/MRI phantom studies are challenged by the need of phantom-specific attenuation templates to account for attenuation properties of the phantom material. We present a PET/MRI phantom built from MRI-visible m...

    Authors: Ivo Rausch, Alejandra Valladares, Lalith Kumar Shiyam Sundar, Thomas Beyer, Marcus Hacker, Martin Meyerspeer and Ewald Unger
    Citation: EJNMMI Physics 2021 8:18
    Content type: Original research Published on:

  25. To systematically evaluate the consistency of various standardized uptake value (SUV) lean body mass (LBM) normalization methods in a clinical positron emission tomography/magnetic resonance imaging (PET/MR) s...

    Authors: Jun Zhao, Qiaoyi Xue, Xing Chen, Zhiwen You, Zhe Wang, Jianmin Yuan, Hui Liu and Lingzhi Hu
    Citation: EJNMMI Physics 2021 8:17
    Content type: Original research Published on:

  26. SPECT-derived dose estimates in tissues of diameter less than 3× system resolution are subject to significant losses due to the limited spatial resolution of the gamma camera. Incorporating resolution modellin...

    Authors: H. Marquis, D. Deidda, A. Gillman, K. P. Willowson, Y. Gholami, T. Hioki, E. Eslick, K. Thielemans and D. L. Bailey
    Citation: EJNMMI Physics 2021 8:16
    Content type: Original research Published on:

  27. SPECT-CT using radiolabeled phosphonates is considered a standard for assessing bone metabolism (e.g., in patients with osteoarthritis of knee joints). However, SPECT can be influenced by metal artifacts in CT...

    Authors: Oliver S. Grosser, Marcus Klutzny, Heiko Wissel, Dennis Kupitz, Michael Finger, Simone Schenke, Jan Wuestemann, Christoph H. Lohmann, Christoph Hoeschen, Maciej Pech, Christian Staerke and Michael C. Kreissl
    Citation: EJNMMI Physics 2021 8:15
    Content type: Original research Published on:

  28. In recurrent differentiated thyroid cancer patients, detectability in 124I PET is limited for lesions with low radioiodine uptake. We assess the improvements in lesion detectability and image quality between thre...

    Authors: David Kersting, Walter Jentzen, Miriam Sraieb, Pedro Fragoso Costa, Maurizio Conti, Lale Umutlu, Gerald Antoch, Michael Nader, Ken Herrmann, Wolfgang Peter Fendler, Christoph Rischpler and Manuel Weber
    Citation: EJNMMI Physics 2021 8:14
    Content type: Original research Published on:

  29. Image quality and quantitative accuracy of positron emission tomography (PET) depend on several factors such as uptake time, scanner characteristics and image reconstruction methods. Ordered subset expectation...

    Authors: Alexandre Chicheportiche, Elinor Goshen, Jeremy Godefroy, Simona Grozinsky-Glasberg, Kira Oleinikov, Amichay Meirovitz, David J. Gross and Simona Ben-Haim
    Citation: EJNMMI Physics 2021 8:13
    Content type: Original research Published on:

  30. Standardized uptake value (SUV) normalized by lean body mass ([LBM] SUL) is recommended as metric by PERCIST 1.0. The James predictive equation (PE) is a frequently used formula for LBM estimation, but may cau...

    Authors: Jingjie Shang, Zhiqiang Tan, Yong Cheng, Yongjin Tang, Bin Guo, Jian Gong, Xueying Ling, Lu Wang and Hao Xu
    Citation: EJNMMI Physics 2021 8:12
    Content type: Original research Published on:

  31. Whole-body Patlak images can be obtained from an acquisition of first 6 min of dynamic imaging over the heart to obtain the arterial input function (IF), followed by multiple whole-body sweeps up to 60 min pi....

    Authors: Joyce van Sluis, Maqsood Yaqub, Adrienne H. Brouwers, Rudi A. J. O. Dierckx, Walter Noordzij and Ronald Boellaard
    Citation: EJNMMI Physics 2021 8:11
    Content type: Short communication Published on:

  32. The SwiftScan solution (General Electric Healthcare) combines a new low-energy high-resolution sensitivity collimator and a tomographic step-and-shoot continuous (SSC) mode acquisition. The purpose of this study ...

    Authors: Valentin Picone, Nikolaos Makris, Fanny Boutevin, Sarah Roy, Margot Playe and Michael Soussan
    Citation: EJNMMI Physics 2021 8:10
    Content type: Original research Published on:

  33. An amendment to this paper has been published and can be accessed via the original article.

    Authors: Hugo Levillain, Manuela Burghelea, Ivan Duran Derijckere, Thomas Guiot, Akos Gulyban, Bruno Vanderlinden, Michael Vouche, Patrick Flamen and Nick Reynaert
    Citation: EJNMMI Physics 2021 8:9
    Content type: Correction Published on:

    The original article was published in EJNMMI Physics 2020 7:75

  34. The study aimed to establish a 68Ga-FAPI-04 kinetic model in hepatic lesions, to determine the potential role of kinetic parameters in the differentiation of hepatocellular carcinoma (HCC) from non-HCC lesions.

    Authors: Barbara Katharina Geist, Haiqun Xing, Jingnan Wang, Ximin Shi, Haitao Zhao, Marcus Hacker, Xinting Sang, Li Huo and Xiang Li
    Citation: EJNMMI Physics 2021 8:8
    Content type: Short communication Published on:

  35. Respiratory motion compromises image quality in myocardial perfusion (MP) single-photon emission computed tomography (SPECT) imaging and may affect analysis of left ventricular (LV) functional parameters, incl...

    Authors: Matti J Kortelainen, Tuomas M Koivumäki, Marko J Vauhkonen and Mikko A Hakulinen
    Citation: EJNMMI Physics 2021 8:7
    Content type: Original research Published on:

  36. The aim of this study was to evaluate the use of a Bayesian penalized likelihood reconstruction algorithm (Q.Clear) for 89Zr-immunoPET image reconstruction and its potential to improve image quality and reduce th...

    Authors: Julian Kirchner, Joseph A. O’Donoghue, Anton S. Becker and Gary A. Ulaner
    Citation: EJNMMI Physics 2021 8:6
    Content type: Original research Published on:

  37. Using phantoms and clinical studies in prone hanging breast imaging, we assessed the image quality of a commercially available dedicated breast PET (dbPET) at the detector’s edge, where mammary glands near the...

    Authors: Yoko Satoh, Utaroh Motosugi, Masamichi Imai, Yoshie Omiya and Hiroshi Onishi
    Citation: EJNMMI Physics 2021 8:5
    Content type: Original research Published on:

  38. An individual dosimetry system is essential for the evaluation of precise doses in nuclear medicine. The purpose of this study was to develop a system for calculating not only absorbed doses but also EQDX(α/β) fr...

    Authors: Tatsuhiko Sato, Takuya Furuta, Yuwei Liu, Sadahiro Naka, Shushi Nagamori, Yoshikatsu Kanai and Tadashi Watabe
    Citation: EJNMMI Physics 2021 8:4
    Content type: Original research Published on:

  39. 99mTc-PYP scintigraphy provides differential diagnosis of ATTR cardiomyopathy (ATTR-CM) from light chain cardiac amyloidosis and other myocardial disorders without biopsy. This study was aimed to assess the diagn...

    Authors: Chao Ren, Jingyun Ren, Zhuang Tian, Yanrong Du, Zhixin Hao, Zongyao Zhang, Wei Fang, Fang Li, Shuyang Zhang, Bailing Hsu and Li Huo
    Citation: EJNMMI Physics 2021 8:3
    Content type: Original research Published on:

  41. Digital PET involving silicon photomultipliers (SiPM) provides an enhanced time-of-flight (TOF) resolution as compared with photomultiplier (PMT)-based PET, but also a better prevention of the count-related ri...

    Authors: Julien Salvadori, Freddy Odille, Gilles Karcher, Pierre-Yves Marie and Laetitia Imbert
    Citation: EJNMMI Physics 2021 8:1
    Content type: Original research Published on:

  42. A valid photon attenuation correction (AC) method is instrumental for obtaining quantitatively correct PET images. Integrated PET/MR systems provide no direct information on attenuation, and novel methods for ...

    Authors: João M. Sousa, Lieuwe Appel, Inés Merida, Rolf A. Heckemann, Nicolas Costes, Mathias Engström, Stergios Papadimitriou, Dag Nyholm, Håkan Ahlström, Alexander Hammers and Mark Lubberink
    Citation: EJNMMI Physics 2020 7:77
    Content type: Original research Published on:

  43. For pediatric lymphoma, quantitative FDG PET/CT imaging features such as metabolic tumor volume (MTV) are important for prognosis and risk stratification strategies. However, feature extraction is difficult an...

    Authors: Amy J. Weisman, Jihyun Kim, Inki Lee, Kathleen M. McCarten, Sandy Kessel, Cindy L. Schwartz, Kara M. Kelly, Robert Jeraj, Steve Y. Cho and Tyler J. Bradshaw
    Citation: EJNMMI Physics 2020 7:76
    Content type: Original research Published on:

  44. The relationship between the mean absorbed dose delivered to the tumour and the outcome in liver metastases from colorectal cancer patients treated with radioembolization has already been presented in several ...

    Authors: Hugo Levillain, Manuela Burghelea, Ivan Duran Derijckere, Thomas Guiot, Akos Gulyban, Bruno Vanderlinden, Michael Vouche, Patrick Flamen and Nick Reynaert
    Citation: EJNMMI Physics 2020 7:75
    Content type: Original research Published on:

    The Correction to this article has been published in EJNMMI Physics 2021 8:9

  45. To evaluate whether lesion radiomics features and absorbed dose metrics extracted from post-therapy 90Y PET can be integrated to better predict outcomes in microsphere radioembolization of liver malignancies

    Authors: Lise Wei, Can Cui, Jiarui Xu, Ravi Kaza, Issam El Naqa and Yuni K. Dewaraja
    Citation: EJNMMI Physics 2020 7:74
    Content type: Original research Published on:

  46. Fractionated peptide receptor radionuclide therapy (PRRT) with 177Lu-DOTATATE is increasingly applied as an effective treatment for patients with disseminated neuroendocrine tumors. In parallel to dose planning b...

    Authors: Mattias Sandström, Nanette Freedman, Katarzyna Fröss-Baron, Tanweera Kahn and Anders Sundin
    Citation: EJNMMI Physics 2020 7:73
    Content type: Original research Published on:

  47. Prior radioembolization, a simulation using 99mTc-macroaggregated albumin as 90Y-microspheres surrogate is performed. Gamma scintigraphy images (planar, SPECT, or SPECT-CT) are acquired to evaluate intrahepatic 9...

    Authors: Verónica Morán, Elena Prieto, Lidia Sancho, Macarena Rodríguez-Fraile, Leticia Soria, Arantxa Zubiria and Josep M. Martí-Climent
    Citation: EJNMMI Physics 2020 7:72
    Content type: Original research Published on:

  49. Silicon photomultiplier-positron emission tomography (SiPM-PET) has better sensitivity, spatial resolution, and timing resolution than photomultiplier tube (PMT)-PET. The present study aimed to clarify the adv...

    Authors: Kei Wagatsuma, Muneyuki Sakata, Kenji Ishibashi, Akira Hirayama, Hirofumi Kawakami, Kenta Miwa, Yukihisa Suzuki and Kenji Ishii
    Citation: EJNMMI Physics 2020 7:70
    Content type: Original research Published on:

  50. Attenuation correction of PET/MRI is a remaining problem for whole-body PET/MRI. The statistical decomposition algorithm (SDA) is a probabilistic atlas-based method that calculates synthetic CTs from T2-weight...

    Authors: Elin Wallstén, Jan Axelsson, Joakim Jonsson, Camilla Thellenberg Karlsson, Tufve Nyholm and Anne Larsson
    Citation: EJNMMI Physics 2020 7:68
    Content type: Original research Published on:
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