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Fgd pet

Valerie A Paz-Soldan, Josh Yukich, Amara Soonthorndhada, Maziel Giron, Charles S Apperson, Loganathan Ponnusamy, Coby Schal, Amy C Morrison, Joseph Keating, Dawn M Wesson
BACKGROUND: Dengue virus (and Chikungunya and Zika viruses) is transmitted by Aedes aegypti and Aedes albopictus mosquitoes and causes considerable human morbidity and mortality. As there is currently no vaccine or chemoprophylaxis to protect people from dengue virus infection, vector control is the only viable option for disease prevention. The purpose of this paper is to illustrate the design and placement process for an attractive lethal ovitrap to reduce vector populations and to describe lessons learned in the development of the trap...
2016: PloS One
Beata Ewa Chrapko, Marek Chrapko, Anna Nocuń, Bogusław Stefaniak, Tomasz Zubilewicz, Andrzej Drop
This review article discusses the utility of 18F-FDG PET/CT in diagnosis and management of vascular disease. We stress usefulness of this method in large vessel inflammation and infection. In our work we based on the literature analysis and clinical cases diagnosed in our institution by use of 18F-FDG PET/CT. The literature exploration was focusing on vascular inflammation and infections and 18-FDG PET. The search was performed on PubMed database and cross referencing. We present the practical review with several images of vascular diseases like: Takayasu arteritis, giant cell arteritis, vascular graft infections, abdominal aortic aneurysm infections and cases of aortitis and periaortitis...
2016: Nuclear Medicine Review. Central & Eastern Europe
Sung Gwe Ahn, Minkyung Lee, Tae Joo Jeon, Kyunghwa Han, Hak Min Lee, Seung Ah Lee, Young Hoon Ryu, Eun Ju Son, Joon Jeong
BACKGROUND: Patients with hormone receptor-positive breast cancer typically show favorable survival. However, identifying individuals at high risk of recurrence among these patients is a crucial issue. We tested the hypothesis that [18F]-fluorodeoxyglucose positron emission tomography (FDG-PET) scans can help predict prognosis in patients with hormone receptor-positive breast cancer. METHODS: Between April 2004 and December 2008, 305 patients with hormone receptor-positive breast cancer who underwent FGD-PET were enrolled...
2014: PloS One
Mikkel Malham, Søren Hess, Rasmus G Nielsen, Steffen Husby, Poul Flemming Høilund-Carlsen
The literature on positron emission tomography and computed tomography using (18)fluoro-deoxyglusose (FDG-PET/CT) in the diagnosis of pediatric inflammatory bowel disease (IBD) is presented. Only five papers representing independent studies were identified and included in this review. Of these, two studies dealt with both stand-alone FDG-PET and FDG-PET/CT, while three were about stand-alone FDG-PET only. No studies could be found that focused on FDG-PET/CT only. The five studies comprised analysis of a total 181 pediatric patients (0-18 years of age)...
2014: American Journal of Nuclear Medicine and Molecular Imaging
Guillemette Fouquet, Stéphanie Guidez, Charles Herbaux, Zoé Van de Wyngaert, Sarah Bonnet, David Beauvais, Hélène Demarquette, Salim Adib, Bénédicte Hivert, Mathieu Wemeau, Céline Berthon, Louis Terriou, Valérie Coiteux, Margaret Macro, Olivier Decaux, Thierry Facon, Damien Huglo, Xavier Leleu
PURPOSE: Solitary plasmacytoma (SP) is a localized proliferation of monoclonal plasma cells in either bone or soft tissue, without evidence of multiple myeloma (MM), and whose prognosis is marked by a high risk of transformation to MM. EXPERIMENTAL DESIGN: We studied the impact of FDG-PET/CT (2[18F]fluoro-2-deoxy-D-glucose positron emission tomography-computed tomography) on the risk of transformation of SP to overt MM among other markers in a series of 43 patients diagnosed with SP...
June 15, 2014: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Adriano Massimiliano Priola, Sandro Massimo Priola
Rebound thymic hyperplasia (RTH) with increased (18)F-FGD uptake at positron emission tomography (PET) computed tomography (CT) is typical of pediatric patients after chemotherapy, although it may occasionally occur in adults. At CT, RTH usually appears as a diffusely enlarged thymus with areas of fatty attenuation. We report two cases of RTH in adults detected at follow-up: both showed unusual morphology on CT and were confirmed at PET-CT as areas of strongly increased radiopharmaceutical uptake, which suggested disease recurrence...
September 2014: Clinical Imaging
Ciğdem Soydal, Cabir Yüksel, Nuriye Özlem Küçük, Ilker Okten, Elgin Ozkan, Beyza Doğanay Erdoğan
OBJECTIVE: In this study, we aimed to explore prognostic importance of definition of preoperative metabolic tumor volume in esophageal cancer patients. METHODS: 22 patients who have histologically proven stage IIA-III esophageal cancer and underwent (18)F-FDG PET/CT for preoperative staging of disease were included to the study. After (18)F-FDG PET/CT, all the patients underwent surgery within 4 weeks period. Patients have been followed up until death or Sept 15(th), 2012...
February 2014: Molecular Imaging and Radionuclide Therapy
Ning Xing, Zu-Long Cai, Shao-Hong Zhao, Li Yang, Bai-Xuan Xu, Fu-Lin Wang
OBJECTIVE: To investigate the validity of CT perfusion in assessing angiogenic activity of lung cancer. METHODS: Fifty-six patients with lung cancer scheduled for elective surgical resection received 16-slice helical CT perfusion imaging. Time-density curve (TDC), blood flow (BF), blood volume (BV), mean transmit time (MTT) and permeability surface area product (PS) were calculated. 18F-deoxyglucose-positron emission tomography (FGD-PET) was carried out in 14 out of the 56 patients to calculate standardized uptake values (SUVs)...
June 2011: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
Monika Klirova, Jiri Horacek, Tomas Novak, Jan Cermak, Filip Spaniel, Lucie Skrdlantova, Pavel Mohr, Cyril Höschl
Low-frequency repetitive transcranial magnetic stimulation (LF-rTMS) of the left temporo-parietal cortex (LTPC) has been proposed as a useful therapeutic method for auditory hallucinations (AHs). Stereotactic neuronavigation enables the magnetic coil to be targeted according to the individual parameters obtained from neuroimaging. Individualized rTMS neuronavigated according to 18-fluorodeoxyglucose positron emission tomography ((18)FDG PET) allows us to focus the coil explicitly on a given area with detected maxima of specific abnormalities, thus presuming a higher therapeutic effect of the method...
September 2013: European Archives of Psychiatry and Clinical Neuroscience
Natalia Goldberg, Yulia Kundel, Ofer Purim, Hanna Bernstine, Noa Gordon, Sara Morgenstern, Efraim Idelevich, Nir Wasserberg, Aaron Sulkes, David Groshar, Baruch Brenner
BACKGROUND: Preoperative radiochemotherapy (RCT) is standard in locally advanced rectal cancer (LARC). Initial data suggest that the tumor's metabolic response, i.e. reduction of its 18 F-FDG uptake compared with the baseline, observed after two weeks of RCT, may correlate with histopathological response. This prospective study evaluated the ability of a very early metabolic response, seen after only one week of RCT, to predict the histopathological response to treatment. METHODS: Twenty patients with LARC who received standard RCT regimen followed by radical surgery participated in this study...
2012: Radiation Oncology
Tsutomu Soma, Toshimitsu Momose, Miwako Takahashi, Keitraro Koyama, Kensuke Kawai, Kenya Murase, Kuni Ohtomo
OBJECTIVE: Inter-ictal (18)F-2-fluoro-deoxy-D: -glucose-positron emission tomography (FDG-PET) is widely used for preoperative evaluation to identify epileptogenic zones in patients with temporal lobe epilepsy. In this study, we combined statistical parametric mapping (SPM) with the asymmetry index and volume-of-interest (VOI) based extent analysis employing preoperative FDG-PET in unilateral mesial temporal lobe epilepsy (MTLE) patients. We also evaluated the detection utility of these techniques for automated identification of abnormalities in the unilateral hippocampal area later confirmed to be epileptogenic zones by surgical treatment and subsequent good seizure control...
May 2012: Annals of Nuclear Medicine
J Leseur, A Devillers, D Williaume, E Le Prisé, C Fougerou, C Bouriel, J Levêque, E Monpetit, J Blanchot, R de Crevoisier, E Garin
PURPOSE: In cervix carcinoma: (a) to evaluate the ability of ((18)F)-fluorodeoxyglucose (FDG) positron emission tomography (PET) in the lymph node detection; (b) to investigate the prognostic and predictive value of the primary cervical PET parameters. PATIENTS AND METHODS: Ninety patients treated for cervix carcinoma and evaluated initially by MRI and FGD PET were included. The performances of FDG-PET for lymph node detection (relatively to the lymph node dissection) have been described (sensitivity, specificity, positive predictive value and negative predictive value)...
December 2011: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
L Magnani, A Versari, D Salvo, M Casali, G Germanò, R Meliconi, L Pulsatelli, D Formisano, G Bajocchi, N Pipitone, L Boiardi, C Salvarani
Disease activity assessment in large vessel vasculitis (LVV) is often challenging for physicians. In this study, we compared the assessment of disease activity based on inflammatory markers, clinical indices (Indian Takayasu Activity Score [ITAS] and the Kerr/National Institute of Health indices [Kerr/NIH]), and 18F-Fluorodesossiglucose (FGD) vascular uptake at positron emission tomography (Pet). We found that Pet results did not statistically correlate with the clinical indices ITAS and Kerr/NIH, because FDG uptake was increased (grade>2 on a 0-3 scale in at least one evaluated vascular segment) in many patients with inactive disease according to clinical and laboratory parameters (i...
2011: Reumatismo
R Ochoa-González, P Córdoba, M Díaz-Somoano, O Font, M A López-Antón, C Leiva, M R Martínez-Tarazona, X Querol, C Fernández Pereira, A Tomás, P Gómez, P Mesado
This paper evaluates the speciation and partitioning of mercury in two Spanish pulverised coal combustion power plants (PP1 and PP2), equipped with wet limestone-based flue gas desulphurisation facilities (FGD) operating with forced oxidation and re-circulation of FGD water streams. These plants are fed with coal (PP1) and coal/pet-coke blends (PP2) with different mercury contents. The behaviour, partitioning and speciation of Hg were found to be similar during the combustion processes but different in the FGD systems of the two power plants...
October 2011: Chemosphere
Nicolo Pipitone, Annibale Versari, Augusto Vaglio, Carlo Salvarani
Retroperitoneal fibrosis is a syndrome characterised by the presence of fibrosclerotic tissue in the retroperitoneum, often encasing the ureters. In most cases, retroperitoneal fibrosis is idiopathic, but may also be associated with large vessel vasculitis at distant sites, with the so-called IgG4-related sclerosing disease, as well as with exposure to some medications, infections, malignancies, surgery, or radiation. 18-Fluorodeoxyglucose (FDG) positron emission tomography (PET) is a nuclear medicine technique which is able to accurately identify in vivo areas characterised by elevated glucose metabolism, such as inflammatory, infective, and neoplastic lesions...
January 2011: Clinical and Experimental Rheumatology
Amburanjan Santra, Rakesh Kumar, Punit Sharma, Chandrashekhar Bal, Atin Kumar, Pramod Kumar Julka, Arun Malhotra
PURPOSE: The purpose of the study was to compare the efficacies of FDG PET-CT and contrast enhanced MRI in detection of recurrent gliomas. METHODS: Ninety histopathologically proven glioma patients with clinical suspicion of recurrence were evaluated. All patients underwent FDG PET-CT scan and contrast enhanced MRI. Combination of clinical follow up, repeat imaging and biopsy (when available) was taken as gold standard. RESULTS: Based on gold standard criteria, 59 patients were positive and 31 patients were negative for recurrence...
March 2012: European Journal of Radiology
F Vaylet, J Margery, G Bonardel, H Le Floch, F Rivière, E Gontier, I Ngampolo, A Mairovitz, C Marotel, H Foehrenbach
18F-Fluorodeoxyglucose-Positron Emission Tomography (FGD-PET) has been considered to have a major impact on the management of lung malignancies since the beginning of this century. Its value has been demonstrated by many publications, meta-analysis and European/American/Japanese recommendations. PET combined with computed tomography has provided useful information regarding the diagnosis and staging of lung cancer and allows for the delivery of adaptive radiotherapy. In its more common uses, PET has been shown to be cost-effective...
September 2010: Revue de Pneumologie Clinique
Marie Laure Nunes, Alexandre Rault, Julie Teynie, Nathalie Valli, Martine Guyot, Delphine Gaye, Genevieve Belleannee, Antoine Tabarin
BACKGROUND: 18F-fluorodeoxyglucose positron emission tomography (18F-FDG PET) has been proposed for the evaluation of adrenal tumors. However, only scarce data are available to evaluate its usefulness for the identification of primary adrenal carcinomas in patients with no previous history of cancer and equivocal tumors on computed tomography (CT) scan. The objective of the present study was to evaluate the diagnostic performance of 18F-FDG-PET to predict malignancy in such patients. METHODS AND PATIENTS: This was a retrospective study carried out from 2006 to 2009 in a single university hospital center...
July 2010: World Journal of Surgery
J Hur, C-S Yoon, Y Hoon Ryu, M J Yun, J-S Suh
BACKGROUND: The presence and extent of osteolytic bone lesions in untreated patients with multiple myeloma are important factors in the staging of the disease, and the extent of bone lesions in multiple myeloma cases significantly influences decisions regarding therapy. Recently, fluorodeoxyglucose positron emission tomography (FDG-PET) and magnetic resonance imaging (MRI) have been used to detect bone marrow involvement in patients with multiple myeloma. PURPOSE: To compare the efficacy of FDG-PET and MRI for the detection of bone marrow infiltration into the spine in untreated patients with multiple myeloma...
May 2008: Acta Radiologica
D Rubello, L Rampin, C Nanni, E Banti, M Ferdeghini, S Fanti, A Al-Nahhas, M D Gross
AIM: To assess the diagnostic role of 18F-FDG PET/CT performed with a hybrid tomograph in the detection of tumoral deposits of recurrent medullary thyroid carcinoma (MTC). METHODS: Nineteen MTC patients with elevated serum calcitonin levels (58-1350 pg/ml) after first treatment were enrolled (11 F, 8 M, mean age 53.4 years, 14 sporadic MTC, 5 MEN-related MTC). All patients had previously undergone total thyroidectomy and lymphoadenectomy. When referred to us, they were studied with ultrasound (US), 18F-FDG PET/CT, (111)In-pentetreotide scan, and contrast-enhanced whole-body CT (c...
May 2008: European Journal of Surgical Oncology
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