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Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine

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https://www.readbyqxmd.com/read/28646015/determination-of-the-heart-to-mediastinum-ratio-of-123-i-mibg-uptake-using-dual-isotope-123-i-mibg-99m-tc-tetrofosmin-multi-pinhole-czt-spect-in-patients-with-heart-failure
#1
Tanguy Blaire, Alban Bailliez, Fayçal Ben Bouallègue, Dimitri Bellevre, Denis Agostini, Alain Manrique
The aim of this retrospective study was to determine the heart-to-mediastinum ratio (HMR) of (123)I-metaiodobenzylguanidine (MIBG) uptake obtained using a multi-pinhole cadmium-zinc-telluride (CZT)-based camera (Discovery NM 530c, DNM-530c, GE Healthcare, Milwaukee, WI, USA) in comparison with that obtained using conventional planar imaging (Infinia, GE Healthcare, Milwaukee, WI, USA). Methods: Forty consecutive heart failure patients underwent planar acquisition 4 h after (123)I-MIBG injection (191±41 MBq)...
June 23, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28646014/the-impact-of-68-ga-psma-pet-ct-on-management-intent-in-prostate-cancer-results-of-an-australian-prospective-multicenter-study
#2
Paul J Roach, Roslyn Francis, Louise Emmett, Edward Hsiao, Andrew Kneebone, George Hruby, Thomas Eade, Quoc Nguyen, Ben Thompson, Tom Cusick, Michael McCarthy, Colin Tang, Bao Ho, Philip Stricker, Andrew Scott
(68)Ga-PSMA PET/CT scanning has been shown to be more sensitive than conventional imaging techniques in patients with prostate cancer. This prospective Australian multicenter study assessed whether (68)Ga-PSMA PET/CT imaging impacts on management intent in patients with primary or recurrent prostate cancer. Methods: Prior to undertaking (68)Ga-PSMA PET imaging, referring medical specialists completed a questionnaire detailing relevant demographic and clinical data as well as their proposed management plan. A separate follow up questionnaire was completed after the (68)Ga-PSMA PET/CT scan results were available to determine whether their management plan would change...
June 23, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28646013/doxorubicin-effect-on-myocardial-metabolism-as-a-pre-requisite-for-subsequent-development-of-cardiac-toxicity-a-translational-18-f-fdg-pet-ct-observation
#3
Matteo Bauckneht, Giulia Ferrarazzo, Francesco Fiz, Silvia Morbelli, Matteo Sarocchi, Fabio Pastorino, Alberto Ghidella, Elena Pomposelli, Maurizio Miglino, Pietro Ameri, Laura Emionite, Flavia Ticconi, Eleonora Arboscello, Ambra Buschiazzo, Elena Augusta Massimelli, Salvatore Fiordoro, Anna Borra, Vanessa Cossu, Annalisa Bozzano, Adalberto Ibatici, Mirco Ponzoni, Paolo Spallarossa, Andrea Gallamini, Paolo Bruzzi, Gianmario Sambuceti, Cecilia Marini
The present translational study aimed to verify whether serial (18)F-fluoro-deoxyglucose Positron Emission Tomography/Computed Tomography (FDG-PET/CT), predicts doxorubicin cardiotoxicity. Methods: Fifteen athymic mice were treated with intravenous administration of saline (n = 5), doxorubicin 5 mg/Kg (n = 5) or doxorubicin 7.5 mg/Kg (n = 5) and submitted to dynamic microPET scan to estimate left ventricular glucose consumption (LV-MRGlu) before and after chemotherapy. Thereafter, we retrospectively identified 69 patients successfully treated with Adriamycin, Bleomycin, Vinblastine, and Dacarbazine (ABVD) regimen for Hodgkin's Disease (HD) and submitted to four consecutive FDG-PET/CT scans...
June 23, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28646012/scatter-correction-with-combined-single-scatter-simulation-and-monte-carlo-simulation-scaling-improved-the-visual-artifacts-and-quantification-in-3d-brain-pet-ct-imaging-with-15-o-gas-inhalation
#4
Keiichi Magota, Tohru Shiga, Yukari Asano, Daiki Shinyama, Jinghan Ye, Amy E Perkins, Piotr J Maniawski, Takuya Toyonaga, Kentaro Kobayashi, Kenji Hirata, Chietsugu Katoh, Naoya Hattori, Nagara Tamaki
In three-dimensional positron emission tomography (PET)/computed tomography (CT) imaging of the brain with (15)O-gas inhalation, high radioactivity in the face mask creates cold artifacts and affects the quantitative accuracy when scatters is corrected by conventional methods (e.g., single-scatter simulation [SSS] with tail-fitting scaling [TFS-SSS]). Here we examined the validity of a newly developed scatter correction method that combines SSS with a scaling factor calculated by Monte Carlo simulation (MCS-SSS)...
June 23, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28637802/tumor-uptake-of-64-cu-dota-trastuzumab-in-patients-with-metastatic-breast-cancer
#5
Joanne E Mortimer, James R Bading, Jinha M Park, Paul H Frankel, Mary I Carroll, Tri T Tran, Erasmus K Poku, Russell C Rockne, Andrew A Raubitschek, John E Shively, David M Colcher
Purpose: To characterize the relationship between tumor uptake of (64)Cu-DOTA-trastuzumab as measured by PET/CT and standard, immunohistochemistry (IHC)-based, histopathologic classification of human epidermal growth factor receptor 2 (HER2) status in women with metastatic breast cancer (MBC). Experimental Design: Women with biopsy-confirmed MBC and not given trastuzumab for [&ge] 2 months underwent complete staging, including (18)F-fluorodeoxyglucose PET/CT. Patients were classified as HER2-positive (HER2+) or negative (HER2-) based on fluorescence in situ hybridization (FISH)-supplemented IHC of biopsied tumor tissue...
June 21, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28637801/accuracy-in-the-eye-of-the-beholder-can-we-improve-agreement-in-prostate-cancer-diagnostics-with-psma-pet-ct
#6
Michael S Hofman
No abstract text is available yet for this article.
June 21, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28637800/pharmacokinetics-biodistribution-and-radiation-dosimetry-for-89-zr-trastuzumab-in-patients-with-esophagogastric-cancer
#7
Joseph A O'Donoghue, Jason S Lewis, Neeta Pandit-Taskar, Stephen E Fleming, Heiko Schoder, Steven M Larson, Volkan Beylergil, Shutian Ruan, Serge Lyashchenko, Pat B Zanzonico, Wolfgang Andreas Weber, Jorge A Carrasquillo, Yelena Y Janjigian
Trastuzumab with chemotherapy improves clinical outcomes in patients with human epidermal growth factor receptor 2 (HER2)-positive esophagogastric adenocarcinoma (EGA). Despite the therapeutic benefit, responses are rarely complete and the majority of patients develop progression. This is the first report evaluating (89)Zr-trastuzumab in HER2-positive EGA in which we evaluate the safety, pharmacokinetics, biodistribution, and dosimetry. Methods: Trastuzumab was conjugated with deferoxamine and radiolabeled with (89)Zr...
June 21, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28637799/-68-ga-psma-pet-ct-and-volumetric-morphology-of-pet-positive-lymph-nodes-stratified-by-tumor-differentiation-of-prostate-cancer
#8
Maria Vinsensia, Peter L Choyke, Boris Hadaschik, Tim Holland-Letz, Jan Moltz, Klaus Kopka, Isabel Rauscher, Walter Mier, Markus Schwaiger, Uwe Haberkorn, Tobias Maurer, Clemens Kratochwil, Matthias Eiber, Frederik Giesel
(68)Ga prostate specific membrane antigen (PSMA) positron emission tomography (PET)/computer tomography (CT) is a new method to detect early nodal metastases in patients with biochemical relapse of prostate cancer (PCa). In this retrospective investigation the dimensions, volume, localization and maximum standardized uptake value (SUVmax) of nodes identified by (68)Ga-PSMA were correlated to their Gleason score (GS) at diagnosis. Methods: All PET/CT images were acquired 60±10 min after intravenous injection of (68)Ga-PSMA (mean dose 176 MBq)...
June 21, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28619736/effects-of-hypercapnia-on-myocardial-blood-flow-in-healthy-human-subjects
#9
Matthieu Pelletier-Galarneau, Robert A deKemp, Chad Rrn Hunter, Ran Klein, Michael Klein, Joel Ironstone, Joseph A Fisher, Terrence Ruddy
Background: Elevation of end-tidal partial pressure of CO2 (PETCO2) increases cerebral and myocardial blood flow (MBF), suggesting that it may be a suitable alternative to pharmacological stress or exercise for myocardial perfusion imaging. The purpose of this study was to document the pharmacodynamics of CO2 on MBF using prospective end-tidal targeting to precisely control arterial PCO2 and use positron emission tomography (PET) to measure the outcome variable, MBF Methods: 10 healthy males underwent serial (82)Rb PET/CT imaging...
June 15, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28619735/the-evolving-role-of-succinate-in-tumor-metabolism-an-18-f-fdg-based-study
#10
Philippe Garrigue, Aurore Bodin-Hullin, Laure Balasse, Samantha Fernandez, Wassim Essamet, Françoise Dignat-George, Karel Pacak, Benjamin Guillet, David Taieb
Objective: In recent years, inherited and acquired mutations in the TCA cycle enzymes have been reported in diverse cancers. Pheochromocytomas and paragangliomas (PPGLs) often exhibit dysregulation of glucose metabolism which is also driven by mutations in genes encoding the TCA cycle enzymes or by activation of hypoxia signaling. PPGLs associated with succinate dehydrogenase (SDH) deficiency are characterized by high (18)F-fluorodeoxyglucose ([(18)F]-FDG) avidity. This association is currently only partially explained...
June 15, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28619734/-68-ga-psma11-pet-ct-in-newly-diagnosed-carcinoma-of-the-prostate-correlation-of-intraprostatic-psma-uptake-with-several-clinical-parameters
#11
Stefan A Koerber, Maximilian T Utzinger, Clemens Kratochwil, Claudia Kesch, Matthias Haefner, Sonja Katayama, Walter Mier, Andrei H Iagaru, Klaus Herfarth, Uwe Haberkorn, Juergen Debus, Frederik L Giesel
(68)Ga-prostate-specific membrane antigen (PSMA)-positron emission tomography (PET)/ computer tomography (CT) is a promising diagnostic tool for patients with prostate cancer. Our study evaluates standardized uptake values (SUV) in benign prostate tissue and malignant, intraprostatic tumor lesions and correlates results with several clinical parameters. Methods: One hundred and four men with newly diagnosed prostate carcinoma and no previous therapy were included in this study. Maximum SUV (SUVmax) was measured and correlated with biopsy findings and magnetic resonance imaging (MRI)...
June 15, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28619733/reply-repeatability-of-quantitative-whole-body-18-f-fdg-pet-ct-uptake-measures-in-nsclc-patients-dynamic-versus-test-retest-design
#12
Gerbrand Maria Kramer, Otto S Hoekstra, Ronald Boellaard
No abstract text is available yet for this article.
June 15, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28611245/optimization-of-spect-measurement-of-myocardial-blood-flow-with-corrections-for-attenuation-motion-and-blood-binding-compared-to-pet
#13
R Glenn Wells, Brian Marvin, Marlie Poirier, Jennifer M Renaud, Robert A deKemp, Terrence D Ruddy
Myocardial blood flow (MBF) and flow reserve (MFR) measured with positron emission tomography (PET) have clinical value. Single-photon emission computed tomography (SPECT) cameras with solid-state detectors can obtain dynamic images for measurement of MBF and MFR. In this study, SPECT measurements of MBF made using (99m)Tc-tetrofosmin were compared to PET in the same patients. Methods: Thirty-one patients had PET MBF rest-stress studies performed with (82)Rb or (13)N- ammonia within one month of their SPECT...
June 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28611244/fdg-uptake-during-early-adjuvant-chemotherapy-predicts-histologic-response-in-pediatric-and-young-adult-patients-with-osteosarcoma
#14
James C Davis, Najat C Daw, Fariba Navid, Catherine A Billups, Jianrong Wu, Armita Bahrami, Jesse J Jenkins, Scott E Snyder, Wilburn E Reddick, Victor M Santana, M Beth McCarville, Junyu Guo, Barry L Shulkin
The purpose of this study was to determine the relationship of (18)F-fluorodeoxyglucose ((18)F-FDG) uptake in the primary tumor at diagnosis, during therapy, and following therapy with histological response and event-free survival (EFS) in pediatric and young adult patients with osteosarcoma (OS). Methods: Serial (baseline, 5 and 10 weeks after start of therapy) (18)F-FDG positron emission tomography/computed tomography (PET/CT) imaging was obtained in patients with newly diagnosed OS treated uniformly on a therapeutic trial at a single institution...
June 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28611243/optimization-of-a-collagen-targeted-positron-emission-tomography-probe-for-molecular-imaging-of-pulmonary-fibrosis
#15
Pauline Désogère, Luis F Tapias, Tyson A Rietz, Nicholas Rotile, Francesco Blasi, Helen Day, Justin Elliot, Bryan C Fuchs, Michael Lanuti, Peter Caravan
There is a large unmet need for a simple, accurate, non-invasive, quantitative and high resolution imaging modality to detect lung fibrosis at early stage and to monitor disease progression. Overexpression of collagen is a hallmark of organ fibrosis. Here, we describe the optimization of a collagen-targeted positron emission tomography (PET) probe for staging pulmonary fibrosis. Methods: Six peptides were synthesized, conjugated to a copper chelator, and radiolabeled with copper-64. The collagen affinity of each probe was measured in a plate-based assay...
June 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28611242/evaluation-of-%C3%AE-pet-outcome-measures-to-detect-disease-modification-induced-by-bace-inhibition-in-a-transgenic-mouse-model-of-alzheimer-s-disease
#16
Steven Deleye, Ann Marie Waldron, Jeroen Verhaeghe, Astrid Bottelbergs, Leonie Wyffels, Bianca Van Broeck, Xavier Langlois, Mark E Schmidt, Sigrid Stroobants, Steven Staelens
Purpose: In this study, we investigated the effects of chronic administration of an inhibitor of the β-site amyloid precursor protein -cleaving enzyme 1 (BACE1) on Alzheimer's- related pathology by multi-tracer positron emission tomography (PET) imaging in APPPS1-21 mice. Methods: Wild-type (WT) and APPPS1-21 (TG) mice received vehicle (VEH) or BACE inhibitor (60 mg/kg) initiated at 7 weeks of age. Outcome measures of brain metabolism, neuroinflammation and amyloid-β pathology were obtained through μPET imaging with (18)F-FDG, (18)F-PBR111 and (18)F-AV45 respectively...
June 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28596159/in-vivo-relationship-between-hypoxia-and-angiogenesis-in-human-glioblastoma-a-multimodal-imaging-study
#17
Keven Ferreira da Ponte, David Hassanein Berro, Solène Collet, Jean-Marc Constans, Evelyne Emery, Samuel Valable, Jean-Sébastien Guillamo
Glioblastoma multiforme (GBM) is the most common and aggressive primary brain tumor. This aggressiveness is in part attributed to the closely interrelated phenomena, tumor hypoxia and angiogenesis, although few in vivo data exist in human brain tumors. This work aims to study hypoxia and angiogenesis, in vivo and in situ, in patients admitted with GBM using multimodal imaging. Methods: 23 GBM patients were assessed by [(18)F]-FMISO PET and conventional and perfusion MRI prior to surgery. The level and location of hypoxia ([(18)F]-FMISO uptake, evaluated by tumor/blood ratio, T/B), vascularization (cerebral blood volume, CBV) and vascular permeability (contrast enhancement after gadolinium injection) were analyzed...
June 8, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28596158/molecular-imaging-of-human-embryonic-stem-cells-stably-expressing-human-pet-reporter-genes-after-zinc-finger-nucleases-mediated-genome-editing
#18
Esther Wolfs, Bryan Holvoet, Laura Ordovas, Natacha Breuls, Nicky Helsen, Matthias Schönberger, Susanna Raitano, Tom Struys, Bert Vanbilloen, Cindy Casteels, Maurilio Sampaolesi, Koen Van Laere, Ivo Lambrichts, Catherine M Verfaillie, Christophe M Deroose
Molecular imaging is indispensable for determining the fate and persistence of engrafted stem cells. Standard strategies for transgene induction involve the use of viral vectors prone to silencing and insertional mutagenesis or the use of non-human genes. We used zinc finger nucleases (ZFN) to induce stable expression of human imaging reporter genes into the safe harbor locus adeno-associated virus integration site 1 (AAVS1) in human embryonic stem cells (ESC). Plasmids were generated carrying reporter genes for fluorescence, bioluminescence imaging (BLI), and human positron emission tomography (PET) reporter genes...
June 8, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28596157/-18-f-fdg-pet-and-ct-scan-detect-new-imaging-patterns-of-response-and-progression-in-patients-with-hodgkin-lymphoma-treated-by-anti-pd1-immune-checkpoint-inhibitor
#19
Laurent Dercle, Romain-David Seban, Julien Lazarovici, Lawrence Schwartz, Roch Houot, Samy Ammari, Alina Danu, Véronique Edeline, Aurélien Marabelle, Vincent Ribrag, Jean-Marie Michot
The response evaluation criteria in patients with Hodgkin Lymphoma (HL) were designed for the assessment of chemotherapy and targeted molecular agents. We investigated the accuracy of 3-month-(18)F-FDG-PET/CT for the identification of HL patients (pts) responding to immune-checkpoint blockade by Anti-Programmed Death 1 antibodies (anti-PD1). We also reported the frequency of new immune patterns of response and progression. Methods: Retrospectively, we recruited consecutive HL patients treated by anti-PD1 (Pembrolizumab or Nivolumab) at Gustave Roussy, Villejuif, France, from 2013-2015...
June 8, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28596156/hyperpolarized-mri-of-cancer-metabolism
#20
Andrew Cho, Justin Y C Lau, Benjamin J Geraghty, Charles H Cunningham, Kayvan R Keshari
This review will highlight recent advances in hyperpolarized (13)C magnetic resonance spectroscopy imaging (MRSI), which can be used to non-invasively interrogate tumor metabolism. After providing an overview of magnetic resonance and hyperpolarization, we will discuss the latest advances in data acquisition techniques. Next, we will shift our focus to hyperpolarized probe design and provide an overview of the latest hyperpolarized MRSI probes developed in the last several years.
June 8, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
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