PET/CT with the radioactively labelled galactose analogue 2-18F-fluoro-2-deoxy-D-galactose (18F-FDGal) can be used to quantify the hepatic metabolic function and visualise regional metabolic heterogeneity. We det...
Authors: Kirstine P. Bak-Fredslund, Peter Lykke Eriksen, Ole L. Munk, Gerda E. Villadsen, Susanne Keiding and Michael Sørensen
In Parkinson’s disease (PD), cerebral dopamine depletion is associated with PD subtype-specific metabolic patterns of hypo- and hypermetabolism. It has been hypothesised that hypometabolism reflects impairment...
Authors: Elena Kordys, Nadine Apetz, Katharina Schneider, Eilidh Duncan, Beatriz Büschbell, Cathrin Rohleder, Michael Sué, Alexander Drzezga, Bernd Neumaier, Lars Timmermann and Heike Endepols
Cardiac sarcoidosis is associated with major adverse cardiac events including cardiac arrest, for which anti-inflammatory treatment is indicated. Oral corticosteroid is the mainstay among treatment options; ho...
Authors: Mitsutomi Ishiyama, Laurie A. Soine and Hubert J. Vesselle
Reference tissue-based quantification of brain PET data does not typically include correction for signal originating from blood vessels, which is known to result in biased outcome measures. The bias extent dep...
Authors: Martin Schain, Patrik Fazio, Ladislav Mrzljak, Nahid Amini, Nabil Al-Tawil, Cheryl Fitzer-Attas, Juliana Bronzova, Bernhard Landwehrmeyer, Christina Sampaio, Christer Halldin and Andrea Varrone
Intraoperative sentinel node (SN) identification in patients with head-and-neck malignancies can be challenging due to unexpected drainage patterns and anatomical complexity. Here, intraoperative navigation-ba...
Authors: Gijs H. KleinJan, Baris Karakullukçu, W. Martin C. Klop, Thijs Engelen, Nynke S. van den Berg and Fijs W. B. van Leeuwen
PET using O-(2-[18F]fluoroethyl)-l-tyrosine (18F-FET) is an established method for brain tumour diagnostics, but data processing varies in different centres. This study analyses the influence of methodological di...
Authors: Christian P. Filss, Nathalie L. Albert, Guido Böning, Elena Rota Kops, Bogdana Suchorska, Gabriele Stoffels, Norbert Galldiks, Nadim J. Shah, Felix M. Mottaghy, Peter Bartenstein, Jörg C. Tonn and Karl-Josef Langen
α-Amino-3-hydroxy-5-methyl-4-isoxazole propionate (AMPA) receptor is a primary mediator of fast glutamatergic excitatory signaling in the brain and has been implicated in diverse neuropsychiatric diseases. We ...
The purpose of this study was to develop a positron emission tomography (PET) imaging probe that is easy to synthesize and selectively targets melanoma in vivo. Herein, we report the synthesis and preclinical ...
Authors: Pradeep K. Garg, Rachid Nazih, Yanjun Wu, Vladimir P. Grinevich and Sudha Garg
Measures of tumour heterogeneity derived from 18-fluoro-2-deoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) scans are increasingly reported as potential biomarkers of non-small cell l...
Authors: Usman Bashir, Gurdip Azad, Muhammad Musib Siddique, Saana Dhillon, Nikheel Patel, Paul Bassett, David Landau, Vicky Goh and Gary Cook
The 18-kDa translocator protein (TSPO) is an important target for assessing neuroimmune function in brain with positron-emission tomography (PET) imaging. The goal of this work was to assess two [11C]PBR28 imagin...
Authors: Ansel T. Hillmer, Daniel Holden, Krista Fowles, Nabeel Nabulsi, Brian L. West, Richard E. Carson and Kelly P. Cosgrove
Kinetic modelling with metabolite-corrected arterial plasma is considered the gold standard for quantification of [11C]PBR28 binding to the translocator protein (TSPO), since there is no brain region devoid of TS...
Authors: Granville J. Matheson, Pontus Plavén-Sigray, Anton Forsberg, Andrea Varrone, Lars Farde and Simon Cervenka
Studies combining immune checkpoint inhibitors with external beam radiation have shown a therapeutic advantage over each modality alone. The purpose of these works is to evaluate the potential of targeted deli...
Authors: Jessie R. Nedrow, Anders Josefsson, Sunju Park, Tom Bäck, Robert F. Hobbs, Cory Brayton, Frank Bruchertseifer, Alfred Morgenstern and George Sgouros
Fluoro-L-thymidine (FLT) is a positron emission tomography/computed tomography (PET/CT) tracer which reflects proliferative activity in a cancer lesion. The main objective of this prospective explorative study...
Authors: Marie Benzon Mogensen, Annika Loft, Marianne Aznar, Thomas Axelsen, Ben Vainer, Kell Osterlind and Andreas Kjaer
Authors: Joshua D. Schaefferkoetter, Ziting Wang, Mary C. Stephenson, Sharmili Roy, Maurizio Conti, Lars Eriksson, David W. Townsend, Thomas Thamboo and Edmund Chiong
[11C]-l-deprenyl-D2 is a positron emission tomography (PET) radioligand for measurement of the monoamine oxidase B (MAO-B) activity in vivo brain. The estimation of the test-retest reproducibility is important fo...
Authors: Ryosuke Arakawa, Per Stenkrona, Akihiro Takano, Sangram Nag, Rafael S. Maior and Christer Halldin
The quantification of myocardial blood flow (MBF) and coronary flow reserve (CFR) are useful approaches for evaluating the functional severity of coronary artery disease (CAD). 15O-water positron emission tomogra...
Authors: Osamu Manabe, Masanao Naya, Tadao Aikawa, Masahiko Obara, Keiichi Magota, Markus Kroenke, Noriko Oyama-Manabe, Kenji Hirata, Daiki Shinyama, Chietsugu Katoh and Nagara Tamaki
CXCR4 belongs to the family of chemokine receptors. Together with its sole known ligand CXCL12 (SDF-1alpha), it has a pivotal role during organogenesis and for homing of hematopoietic stem cells. CXCR4 is over...
Authors: Peter Herhaus, Stefan Habringer, Tibor Vag, Katja Steiger, Julia Slotta-Huspenina, Carlos Gerngroß, Benedikt Wiestler, Hans-Jürgen Wester, Markus Schwaiger and Ulrich Keller
We investigated the relationship between metabolic activity and histological features of gliomas using fluorine-18α-methyltyrosine (18F-FAMT) positron emission tomography (PET) compared with fluorine-18 fluorodeo...
The ability to image vascular endothelial growth factor (VEGF) could enable prospective, non-invasive monitoring of patients receiving anti-angiogenic therapy. This study investigates the specificity and pharm...
Authors: Neel Patel, Sarah Able, Danny Allen, Emmanouil Fokas, Bart Cornelissen, Fergus V. Gleeson, Adrian L. Harris and Katherine A. Vallis
PET with O-(2-18F-fluoroethyl)-L-tyrosine (18F-FET) has reached increasing clinical significance for patients with brain neoplasms. For quantification of standard PET-derived parameters such as the tumor-to-backg...
Authors: Marcus Unterrainer, Franziska Vettermann, Matthias Brendel, Adrien Holzgreve, Michael Lifschitz, Matthias Zähringer, Bogdana Suchorska, Vera Wenter, Ben M. Illigens, Peter Bartenstein and Nathalie L. Albert
An inflammatory reaction in the airways and lung parenchyma, comprised mainly of neutrophils and alveolar macrophages, is present in some patients with chronic obstructive pulmonary disease (COPD). Thoracic fl...
Authors: Christopher Coello, Marie Fisk, Divya Mohan, Frederick J. Wilson, Andrew P. Brown, Michael I. Polkey, Ian Wilkinson, Ruth Tal-Singer, Philip S. Murphy, Joseph Cheriyan and Roger N. Gunn
The aim of this study was to investigate the relationship between absorbed dose and response of colorectal cancer liver metastases treated with [90Y]-resin microspheres and to explore possible clinical and imagin...
Authors: Kathy P. Willowson, Aimee R. Hayes, David L. H. Chan, Michael Tapner, Elizabeth J. Bernard, Richard Maher, Nick Pavlakis, Stephen J. Clarke and Dale L. Bailey
Tumor to normal tissue ratio (T/N ratio) on 11C-methionine (11C-MET) positron emission tomography/computed tomography (PET/CT) is affected by variable factors. We investigated whether T/N ratio cutoff values corr...
Authors: Tae-Young Jung, In-Young Kim, Sa-Hoe Lim, Ki Seong Park, Dong-Yeon Kim, Shin Jung, Kyung-Sub Moon, Woo-Youl Jang, Sae-Ryung Kang, Sang-Geon Cho, Jung-Joon Min, Hee-Seung Bom and Seong Young Kwon
This letter is meant to make scientists aware of the proper application of transmission electron microscopy (TEM) for the assessment of polymeric self-assemblies. Cryogenic (cryo)-TEM should be the method of c...
Integrin-targeting radiopharmaceuticals have potential broad applications, spanning from cancer theranostics to cardiovascular diseases. We have previously reported preclinical dosimetry results of 68Ga-NODAGA-RG...
Authors: Silvano Gnesin, Periklis Mitsakis, Francesco Cicone, Emmanuel Deshayes, Vincent Dunet, Augusto F. Gallino, Marek Kosinski, Sébastien Baechler, Franz Buchegger, David Viertl and John O. Prior
18F-fluoride PET/CT exhibits high sensitivity to delineate and measure the extent of bone metastatic disease in patients with prostate cancer. 18F-fluoride PET/CT could potentially replace traditional bone sci...
Authors: Cecilia Wassberg, Mark Lubberink, Jens Sörensen and Silvia Johansson
Mesenchymal–epithelial transition factor also named c-MET is a receptor tyrosine kinase for the hepatocyte growth factor that plays a pivotal role in tumorigenesis. c-MET-targeted therapies have been tested in...
Authors: Zhaoguo Han, Yongyi Wu, Kai Wang, Yadi Xiao, Zhen Cheng, Xilin Sun and Baozhong Shen
Atherosclerotic plaque phenotypes are classified based on the extent of macrophage infiltration into the lesions, and the presence of certain macrophage subsets might be a sign for plaque vulnerability. The ma...
Authors: Zohreh Varasteh, Fabien Hyafil, Nadège Anizan, Devy Diallo, Rachida Aid-Launais, Sarajo Mohanta, Yuanfang Li, Miriam Braeuer, Katja Steiger, Jonathan Vigne, Zhengtao Qin, Stephan G. Nekolla, Jean-Etienne Fabre, Yvonne Döring, Dominique Le Guludec, Andreas Habenicht…
Positron emission tomography–computed tomography (PET-CT) carotid standardised uptake values (SUV) of 18F-fluorodeoxyglucose (18FDG) have been proposed as an inflammatory biomarker for determining cerebrovascular...
Authors: Nicola Giannotti, Martin J. O’Connell, Shane J. Foley, Peter J. Kelly and Jonathan P. McNulty
The aim of this study was to compare the therapeutic efficacy of two different activity levels of the 213Bi-labeled monoclonal antibody MX35 in an ovarian cancer model. Sixty female BALB/c (nu/nu) mice were inocu...
Authors: Anna Gustafsson-Lutz, Tom Bäck, Emma Aneheim, Ragnar Hultborn, Stig Palm, Lars Jacobsson, Alfred Morgenstern, Frank Bruchertseifer, Per Albertsson and Sture Lindegren
The aim of this study was to retrospectively evaluate the patient effective dose (ED) for different PET/CT procedures performed with a variety of PET radiopharmaceutical compounds.
Authors: Josep M. Martí-Climent, Elena Prieto, Verónica Morán, Lidia Sancho, Macarena Rodríguez-Fraile, Javier Arbizu, María J. García-Velloso and José A. Richter
Accurate quantification of PET studies depends on the spatial resolution of the PET data. The commonly limited PET resolution results in partial volume effects (PVE). Iterative deconvolution methods (IDM) have...
Authors: Sandeep S. V. Golla, Mark Lubberink, Bart N. M. van Berckel, Adriaan A. Lammertsma and Ronald Boellaard
Texture features are being increasingly evaluated in 18F-fluorodeoxyglucose positron emission tomography (18F-FDG PET) as adjunctive imaging biomarkers in a number of different cancers. Whilst studies have report...
Authors: Eitan Lovat, Musib Siddique, Vicky Goh, Rosalie E. Ferner, Gary J. R. Cook and Victoria S. Warbey
Preclinical single-photon emission computed tomography (SPECT)/CT imaging studies are hampered by low throughput, hence are found typically within small volume feasibility studies. Here, imaging and image anal...
Authors: Sven Macholl, Ciara M. Finucane, Jacob Hesterman, Stephen J. Mather, Rachel Pauplis, Deirdre Scully, Jane K. Sosabowski and Erwan Jouannot
Recently, 18F-tetrafluoroborate (TFB) was used as a substrate for the human sodium/iodide symporter (hNIS) reporter gene. This study evaluated the feasibility of performing molecular-genetic imaging by using the ...
Authors: Sang Bong Lee, Ho Won Lee, Hongje Lee, Yong Hyun Jeon, Sang-Woo Lee, Byeong-Cheol Ahn, Jaetae Lee and Shin Young Jeong
The P2X7 receptor has been shown to play a fundamental role in the initiation and sustenance of the inflammatory cascade. The development of a novel fluorine-18 PET tracer superior and with a longer half-life ...
Authors: Enrico Raffaele Fantoni, Diego Dal Ben, Simonetta Falzoni, Francesco Di Virgilio, Simon Lovestone and Antony Gee
The clinical validation of the EARL harmonization program for standardised uptake value (SUV) metrics is well documented; however, its potential for defining metabolic active tumour volume (MATV) has not yet b...
Authors: Charline Lasnon, Blandine Enilorac, Hosni Popotte and Nicolas Aide
Despite the progress in the quality of multiphasic CT and MRI scans, it is still difficult to fully characterize a solid kidney lesion. Approximately 10% of all solid renal tumours turn out to be oncocytomas. ...
Authors: Antonios Tzortzakakis, Ove Gustafsson, Mattias Karlsson, Linnea Ekström-Ehn, Rammin Ghaffarpour and Rimma Axelsson
Traumatic brain injury (TBI) causes brain dysfunction in many patients. Using C-11 flumazenil (FMZ) positron emission tomography (PET), we have detected and reported the loss of neuronal integrity, leading to ...
Authors: Kagari Abiko, Katsunori Ikoma, Tohru Shiga, Chietsugu Katoh, Kenji Hirata, Yuji Kuge, Kentaro Kobayashi and Nagara Tamaki
Phase analysis of gated myocardial perfusion single-photon emission computed tomography (SPECT) for assessment of left ventricular (LV) dyssynchrony was investigated using the following dedicated software pack...
N,N-di-n-propyl-2-[2-(4-[11C]methoxyphenyl)-6,8-dichloroimidazol[1,2-a]pyridine-3-yl]acetamide ([11C]CB184) is a novel selective radioligand for the 18-kD translocator protein (TSPO), ...
Authors: Muneyuki Sakata, Kenji Ishibashi, Masamichi Imai, Kei Wagatsuma, Kenji Ishii, Kentaro Hatano, Kiichi Ishiwata and Jun Toyohara
The use of radiolabeled choline as a positron emission tomography (PET) agent for imaging primary tumors in the prostate has been evaluated extensively over the past two decades. There are, however, conflictin...
Authors: Joshua D. Schaefferkoetter, Ziting Wang, Mary C. Stephenson, Sharmili Roy, Maurizio Conti, Lars Eriksson, David W. Townsend, Thomas Thamboo and Edmund Chiong
Lack of treatment response in patients with late-life depression is common. The role of brain beta-amyloid (Aβ) deposition in treatment outcome in subjects with late-life depression remains unclear. The presen...
Authors: Peng Li, Ing-Tsung Hsiao, Chia-Yih Liu, Chia-Hsiang Chen, She-Yao Huang, Tzu-Chen Yen, Kuan-Yi Wu and Kun-Ju Lin
Resolving the kinetic mechanisms of biomolecular interactions have become increasingly important in early-phase drug development. Since traditional in vitro methods belong to dose-dependent assessments, bindin...
Authors: Markus Zeilinger, Florian Pichler, Lukas Nics, Wolfgang Wadsak, Helmut Spreitzer, Marcus Hacker and Markus Mitterhauser
Amyotrophic lateral sclerosis (ALS) is a rapidly progressive disease of the nervous system involving both upper and lower motor neurons. The patterns of structural and metabolic brain alterations are still unc...
Authors: M-S. Buhour, F. Doidy, A. Mondou, A. Pélerin, L. Carluer, F. Eustache, F. Viader and B. Desgranges
Red blood cells (RBCs) labeled with single-photon emitters have been clinically used for blood-pool imaging. Although some PET tracers have been introduced for blood-pool imaging, they have not yet been widely...
