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  1. Integrated whole-body PET/MR technology continues to mature and is now extensively used in clinical settings. However, due to the special design architecture, integrated whole-body PET/MR comes with a few inhe...

    Authors: Tianyi Zeng, Jiaxu Zheng, Xinyuan Xia, Xin Chen, Beien Wang, Shuangyue Zhang, Adam Chandler, Tuoyu Cao, Lingzhi Hu, Qun Chen and Xu Chu

    Citation: EJNMMI Physics 2021 8:47

    Content type: Original research

    Published on:

  2. Radiomics analysis usually involves, especially in multicenter and large hospital studies, different imaging protocols for acquisition, reconstruction, and processing of data. Differences in protocols can lead...

    Authors: Montserrat Carles, Tobias Fechter, Luis Martí-Bonmatí, Dimos Baltas and Michael Mix

    Citation: EJNMMI Physics 2021 8:46

    Content type: Original research

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  3. Much progress has been made in implementing selective internal radiation therapy (SIRT) as a viable treatment option for hepatic malignancies. However, there is still much need for improved options for calcula...

    Authors: Benjamin J. Van, Yuni K. Dewaraja, Mamadou L. Sangogo and Justin K. Mikell

    Citation: EJNMMI Physics 2021 8:45

    Content type: Original research

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  4. Ra-223 dichloride (223Ra, Xofigo®) is used for treatment of patients suffering from castration-resistant metastatic prostate cancer. The objective of this work was to apply the most recent biokinetic model for ra...

    Authors: Vera Höllriegl, Nina Petoussi-Henss, Kerstin Hürkamp, Juan Camilo Ocampo Ramos and Wei Bo Li

    Citation: EJNMMI Physics 2021 8:44

    Content type: Original research

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  5. Changes in renal blood flow (RBF) may play a pathophysiological role in hypertension and kidney disease. However, RBF determination in humans has proven difficult. We aimed to confirm the feasibility of RBF es...

    Authors: Stine Sundgaard Langaa, Thomas Guldager Lauridsen, Frank Holden Mose, Claire Anne Fynbo, Jørn Theil and Jesper Nørgaard Bech

    Citation: EJNMMI Physics 2021 8:43

    Content type: Original research

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  6. Left ventricular ejection fraction (LVEF) is usually measured by cine-cardiac magnetic resonance imaging (MRI), planar and single-photon emission-computerized tomography (SPECT) equilibrium radionuclide angioc...

    Authors: Emilie Verrecchia-Ramos, Olivier Morel, Paul Retif and Sinan Ben Mahmoud

    Citation: EJNMMI Physics 2021 8:42

    Content type: Original research

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  7. 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

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  8. 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

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  9. 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

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  10. 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

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  11. [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

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  12. 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

  13. 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

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  14. 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

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  15. 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

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  16. [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

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  17. 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

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  18. 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

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  19. 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

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  20. 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

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  21. 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

  22. 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

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  23. 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

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  24. 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

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  25. 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

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  26. 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

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  27. 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

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  28. 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

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  29. 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

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  30. 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

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  31. 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

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  32. 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

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  33. 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

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  34. 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

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  35. 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

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  36. 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

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  37. 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

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  38. 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

  39. 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

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  40. 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

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  41. 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

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  42. 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

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  43. 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

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  44. 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

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  45. 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

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  46. 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:

  47. 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:

  48. 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

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