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Nuclear Medicine Communications

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https://www.readbyqxmd.com/read/27922540/prognostic-value-of-quantitative-pet-ct-in-patients-with-a-nonsmall-cell-lung-cancer-and-another-primary-cancer
#1
Xuee Zhu, Chuanhong Liao, Bill C Penney, Feng Li, Mark K Ferguson, Cassie A Simon, Tianming Wu, Haiyan Liu, Yonglin Pu
OBJECTIVE: The staging and management of patients with newly diagnosed nonsmall cell lung cancer (NSCLC) in the setting of recently diagnosed other (metachronous or synchronous) primary cancer are challenging. This retrospective cohort study was carried out to test our hypothesis that baseline 2-deoxy-2-[F]fluoro-D-glucose (F-FDG) PET/CT parameters, including whole-body metabolic tumor volume (MTVWB), total lesion glycolysis (TLGWB), and maximum standardized uptake value (SUVmaxWB), are associated with the overall survival (OS) of such patients...
December 2, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27922539/effect-of-tomographic-operator-inaccuracies-and-respiratory-motion-on-pet-ct-lung-nodule-images-smearing
#2
Joël Daouk, Pascal Bailly, Roger Bouzerar, Marc-Étienne Meyer
BACKGROUND: In thoracic PET/computed tomography (CT) imaging, uptake foci usually appear smeared because of postreconstruction smoothing and respiratory motion. OBJECTIVE: The aim of the present study was to assess the respective contributions of the reconstruction process and respiratory motion on PET/CT images. MATERIALS AND METHODS: Thirty-one pulmonary lesions were studied. Free-breathing PET/CT acquisitions were followed by a 10-min respiratory-gated PET/CT acquisition...
December 2, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27922538/the-role-of-68ga-dota-noc-pet-ct-in-evaluating-neuroendocrine-tumors-real-world-experience-from-two-large-neuroendocrine-tumor-centers
#3
Mohamad Haidar, Ali Shamseddine, Emmanouil Panagiotidis, Mario Jreige, Deborah Mukherji, Rita Assi, Rayan Abousaid, Toni Ibrahim, Marwan M Haddad, Sobhan Vinjamuri
OBJECTIVE: Our aim was to assess the role of Ga-DOTA-NOC PET/CT as a tool for the management of neuroendocrine tumors (NETs), evaluating the clinical impact on patients from two large NET centers in different geopolitical settings. PATIENTS AND METHODS: This is a retrospective study of patients with NETs who underwent Ga-DOTA-NOC PET/CT at Royal Liverpool University Hospital (UK) and at Mount Lebanon Hospital (Lebanon). Indications for imaging and findings of the PET/CT along with demographic and clinical outcome data were recorded and evaluated...
December 2, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27906780/developing-a-dedicated-comprehensive-%C3%AE-radionuclide-therapy-program-should-this-be-the-vision-of-the-atomic-energy-programs-in-the-next-decade
#4
Sandip Basu, Sharmila Banerjee
No abstract text is available yet for this article.
November 30, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27893589/the-role-of-psma-pet-ct-imaging-in-restaging-of-prostate-cancer-patients-with-low-prostate-specific-antigen-levels
#5
Levent Kabasakal, Emre Demirci, Jamal Nematyazar, Reşit Akyel, Baresh Razavi, Meltem Ocak, Aslan Aygun, Can Obek, Ali R Kural
INTRODUCTION: Prostate-specific membrane antigen (PSMA) is increasingly being recognized as a novel target for the PET imaging of prostate cancer (PCa) and Ga-DKFZ-11 (Ga-PSMA) has been suggested as a novel tracer for detection of PCa relapses and metastases. The aim of this study was to evaluate the diagnostic value of PSMA PET/CT in the diagnosis of recurrent PCa with low prostate-specific antigen (PSA) levels. PATIENTS AND METHODS: We carried out a retrospective analysis of patients who underwent PSMA PET/CT from November 2013 to December 2014 in our department...
November 28, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27893588/suite-pet-ct-neuroimaging-for-the-diagnosis-of-parkinson-s-disease-statistical-parametric-mapping-analysis
#6
Ruimin Wang, Baixuan Xu, Zhe Guo, Tong Chen, Jinming Zhang, Yingmao Chen, Haiyan Zhu
OBJECTIVES: The aim of this study was to investigate the topographical distribution of dopamine transporter (DAT), dopamine D2 receptor, and glucose metabolism in Parkinson's disease (PD) using PET/computed tomography (CT) scanning and statistical parametric mapping (SPM) analysis. PARTICIPANTS AND METHODS: Seventy-four patients (58 PD patients and 16 normal controls) underwent DAT, D2 receptor, and glucose brain PET/CT scans using C-methyl-N-2-β-carbomethoxy-3-β-(4-fluorophenyl) tropane (C-β-CFT), C-raclopride (C-RAC), and fluorine-18-fluorodeoxyglucose (F-FDG) radiotracers for the respective scans...
November 28, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27861299/impact-of-concomitant-medication-use-on-myocardial-123i-mibg-imaging-results-in-patients-with-heart-failure
#7
Arnold F Jacobson, Susan White, Mark I Travin, Carol Tseng
INTRODUCTION: Medications that interfere with sympathetic neuronal norepinephrine uptake and storage, such as neuropsychiatrics (NP) and sympathomimetic amines, are most likely to affect cardiac uptake of iodine-123 metaiodobenzylguanidine (I-mIBG). The present study examined these and other medications reported to affect I-mIBG uptake using measurements of cardiac I-mIBG uptake on the heart failure (HF) patients in the ADMIRE-HF extension (X) study. METHODS: Baseline concomitant medications taken by the 961 HF patients were categorized into five groups: calcium channel blockers, NP medications, β agonists and sympathomimetics, α antagonists, and other antihypertensives...
November 16, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27851658/interobserver-agreement-on-cortical-tracer-transit-in-99mtc-mag3-renography-applied-to-congenital-hydronephrosis
#8
Ana Isabel Santos, Liliana Violante, Susana Carmona, Ana Prata, Margarida Rodrigues Victor, Joaquim G Santos, Joaquim Araújo Sequeira, Marta Alves, Ana Luísa Papoila, Amy Piepsz
OBJECTIVE: This study aims to evaluate interobserver agreement on visual analysis of technetium-99m mercaptoacetyltriglycine (Tc-MAG3) renal tissue transit used for the evaluation of antenatal hydronephrosis. MATERIALS AND METHODS: Thirty-eight Tc-MAG3 diuretic renograms were retrospectively collected between 1 and 31 December 2015. The 1-min reframed images were presented to four nuclear medicine consultants and to two nuclear medicine residents, one in the first year of the training program and the others in their fourth and final year...
November 15, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27846041/factors-affecting-the-sensitivity-of-tc-99m-methoxyisobutylisonitrile-dual-phase-parathyroid-single-photon-emission-computed-tomography-in-primary-hyperparathyroidism
#9
Mine Araz, Derya Çayir, Mehmet Erdoğan, Bekir Uçan, Erman Çakal
OBJECTIVE: The aim of this study was to investigate the effects of thyroid diseases and regularly used medications on the sensitivity of Tc-99m methoxyisobutylisonitrile (MIBI) dual-phase parathyroid single photon emission computed tomography (SPECT) and to define indicatives of the result of the study. PATIENTS AND METHODS: Overall, 218 primary hyperparathyroidism patients (190 women, 28 men, mean age: 57±14 years) with thyroid-parathyroid ultrasonography and Tc-99m MIBI dual-phase parathyroid SPECT were retrospectively enrolled...
November 11, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27824726/diagnostic-performance-of-18f-fdg-pet-or-pet-ct-in-restaging-renal-cell-carcinoma-a-systematic-review-and-meta-analysis
#10
Huan Ma, Guohua Shen, Bin Liu, Yuanyou Yang, Pengwei Ren, Anren Kuang
BACKGROUND: In recent years, fluorine-18-fluorodeoxyglucose (F-FDG) PET or PET/computed tomography (PET/CT) has emerged as a valuable method for restaging of cancer. The aim of this study was to evaluate its diagnostic performance for detecting metastatic or recurrent lesions in patients with renal cell carcinoma (RCC). METHODS: Several databases were searched for relevant articles on F-FDG PET or PET/CT for the restaging of RCC. Two researchers independently selected studies, extracted data, and assessed the methodological quality according to the QUADAS-2 tool...
November 7, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27792043/the-role-of-18f-fdg-pet-and-pet-ct-in-the-evaluation-of-primary-cutaneous-lymphoma
#11
Lin Qiu, Guojian Tu, Jing Li, Yue Chen
Primary cutaneous lymphoma (PCL) is the second most common type of extranodal non-Hodgkin lymphoma, including both cutaneous T-cell and B-cell lymphomas. PCL comprises numerous subtypes and thus has myriad clinical presentations in the skin and subcutaneous tissues. Accurate classification and staging are important for making treatment recommendations for PCL and will further impact patient prognosis significantly. We review the role of fluorine-18-fluorodeoxyglucose (F-FDG) PET (F-FDG PET) and F-FDG PET with computed tomography (CT) in the diagnosis, staging, tumor biological evaluation, treatment response assessment, and early recurrence surveillance of PCL...
October 27, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27749777/utility-of-pet-ct-with-fluorine-18-fluorodeoxyglucose-labeled-autologous-leukocytes-for-diagnosing-diabetic-foot-osteomyelitis-in-patients-with-charcot-s-neuroarthropathy
#12
Ashu Rastogi, Anish Bhattacharya, Mahesh Prakash, Sarika Sharma, Bhagwant R Mittal, Niranjan Khandelwal, Anil Bhansali
OBJECTIVE: Diabetic foot osteomyelitis (DFO) is difficult to diagnose in the presence of Charcot's neuroarthropathy (CN) and bone biopsy is not always possible. We aimed to assess the efficacy of PET/computed tomography using F-fluoride (F-fluoride PET/CT) and fluorine-18-fluorodeoxyglucose-labeled autologous leukocytes (F-FDG-LL PET/CT) in comparison with contrast-enhanced MRI (CEMRI) for the detection of DFO. PATIENTS AND METHODS: Thirty-two patients with chronic CN and foot ulcer suspected of having DFO were prospectively evaluated...
October 4, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27749774/quantitative-imaging-characteristics-of-zirconium-89-on-gemini-time-of-flight-pet-ct
#13
Sitah F Alanazi, Khalid S Alzimami, Magdy M Ghannam, Ibrahim J Aljammaz, Faisal Alrumayan, Salem A Sassi
PURPOSE: Interest in PET imaging using zirconium-89 (Zr) (t1/2=78.41 h)-labeled tracers for the tracking and quantification of monoclonal antibodies (mAbs) is growing, mainly because of its well-matched physical half-life with the biological half-life of intact mAbs. This study aims to evaluate the imaging characteristics of Zr-PET in comparison with those obtained using fluorine-18 fluorodeoxyglucose (F-FDG) PET (gold standard tracer in PET imaging) using a Time-Of-Flight (TOF) PET/computed tomography (CT) scanner...
October 4, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27898649/news-and-views-january-2017
#14
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27898648/18f-fdg-pet-ct-study-after-lung-biopsy-in-suspected-lung-cancer-patients-time-is-of-the-essence
#15
Chit Sum Jason Yeung, Besma Musaddaq, Sam Hare, Thomas Wagner
No abstract text is available yet for this article.
January 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27898647/diffusion-weighted-mri-and-18f-fdg-pet-ct-imaging-competition-or-synergy-as-diagnostic-methods-to-manage-sarcoma-of-the-uterus-a-systematic-review-of-the-literature
#16
Julien Dubreuil, Jeremie Tordo, Domenico Rubello, Francesco Giammarile, Andrea Skanjeti
AIM: To evaluate the diagnostic performance of fluorine-18-fluorodeoxyglucose PET/computed tomography (F-FDG-PET/CT) and MRI with diffusion-weighted images (DWI) in uterine sarcomas (US). PATIENTS AND METHODS: A systematic review was performed on Medline, ISI web of knowledge, and Scopus databases for studies reporting the diagnostic performance of F-FDG-PET/CT and DWI-MRI in US published up to 15 February 2016. Exclusion criteria were articles with fewer than five cases of US, without DWI-MRI, and previous series of patients from the same researcher team...
January 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27898646/iodine-123-metaiodobenzylguanidine-scintigraphy-for-the-assessment-of-cardiac-sympathetic-innervation-and-the-relationship-with-cardiac-autonomic-function-in-healthy-adults-using-standardized-methods
#17
Omar Asghar, Parthiban Arumugam, Ian Armstrong, Simon Ray, Matthias Schmitt, Rayaz A Malik
BACKGROUND: Global iodine-123 metaiodobenzylguanidine (I-MIBG) uptake is predictive of cardiovascular events and mortality in patients with heart failure. Normal variations in global and regional uptake, however, are not well defined and few studies have addressed the functional relevance of I-MIBG uptake and distribution in healthy individuals. MATERIALS AND METHODS: We performed I-MIBG scintigraphy and cardiac autonomic function testing using the standardized methodology in 15 healthy individuals (mean age 54...
January 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27824725/68ga-vacuum-elution-approach-for-direct-radiolabelling-of-dota-conjugated-and-nodaga-conjugated-peptides
#18
Rana Ben Azzouna, Sébastien Leygnac, Faisal Al-Shoukr, François Rouzet, Denis Guilloteau, Dominique Le Guludec
BACKGROUND/OBJECTIVES: The Ge/Ga generator is of increasing interest for clinical PET. The arrival on the market of the pharmaceutical-grade generator, which provides an eluate with chemical and radiochemical purities in conformity with the European Pharmacopeia specifications, makes the direct labelling of vectors possible. The kit formulation strategies using single vial productions can improve the access of hospitals and imaging centres that are not equipped with costly automated synthesis modules to the Ga-radiopharmaceutical production...
January 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27820721/18f-fdg-pet-ct-of-peritoneal-tumors-a-pictorial-essay
#19
Julien Dubreuil, Francesco Giammarile, Pascal Rousset, Domenico Rubello, Patrick M Colletti, Olivier Glehen, Andrea Skanjeti
Cancer imaging on the peritoneum is quite difficult on PET/CT because of the particular anatomical features of this membrane. The abdominal cavity can be the seat of very different primary or secondary tumoral lesions, with heterogeneous aggressiveness and variable fluorine-18 fluorodeoxyglucose uptake and patterns. We aimed to depict a spectrum of appearances with abnormal fluorine-18 fluorodeoxyglucose uptakes localized on the peritoneum in frequent conditions such as peritoneal carcinomatosis and in rarer disease such as desmoplastic round cell tumor...
January 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27782913/post-therapeutic-dosimetry-of-177lu-dkfz-psma-617-in-the-treatment-of-patients-with-metastatic-castration-resistant-prostate-cancer
#20
Madhav P Yadav, Sanjana Ballal, Madhavi Tripathi, Nishikant A Damle, Ranjit K Sahoo, Amlesh Seth, Chandrasekhar Bal
OBJECTIVE: Lu-DKFZ-PSMA-617, a urea-based compound, binds to the extracellular domain of prostate-specific membrane antigen, thus providing an effective target for the treatment of metastatic castration-resistant prostate cancer (mCRPC). Before its therapeutic use, it is necessary that the radiation dosimetry of this radiopharmaceutical be studied to determine the safe activity that can be administered in patients to prevent haematological, renal and liver toxicity. The present study thus aimed to assess the pharmacokinetics and dosimetry of Lu-DKFZ-PSMA-617 in CRPC patients...
January 2017: Nuclear Medicine Communications
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