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18-FDG

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https://www.readbyqxmd.com/read/28629569/in-depth-analysis-of-interreader-agreement-and-accuracy-in-categorical-assessment-of-brown-adipose-tissue-in-18-fdg-pet-ct
#1
Anton S Becker, Caroline Zellweger, Khoschy Schawkat, Sanja Bogdanovic, Valerie Doan Phi van, Hannes W Nagel, Christian Wolfrum, Irene A Burger
PURPOSE: To evaluate the interreader agreement of a three-tier craniocaudal grading system for brown fat activation and investigate the accuracy of the distinction between the three grades. MATERIALS AND METHODS: After IRB approval, 340 cases were retrospectively selected from patients undergoing (18)FDG-PET/CT between 2007 and 2015 at our institution, with 85 cases in each grade and 85 controls with no active brown fat. Three readers evaluated all cases independently...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28608242/f-18-fdg-pet-differentiation-of-benign-from-malignant-chondroid-neoplasms-a-systematic-review-of-the-literature
#2
Ty K Subhawong, Aaron Winn, Shai S Shemesh, Juan Pretell-Mazzini
INTRODUCTION: Discriminating among benign chondroid tumors, low-grade chondrosarcomas, and grade 2/3 chondrosarcomas is frequently difficult with standard imaging modalities. We systematically reviewed the literature to determine the performance of PET-CT in making this distinction. METHODS: A systematic review was performed identifying 811 PubMed- and Embase-indexed articles containing combinations of "chondrosarcoma," "enchondroma," "chondroid," "cartilage" and "PET/CT," "PET," "positron...
June 12, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28588814/coincidence-of-follicular-lymphoma-and-hurtle-cell-thyroid-carcinoma-in-a-patient-at-presentation-which-one-is-the-source-of-bone-metastasis-case-report-and-review-of-the-literature
#3
Hasan Atilla Ozkan, Arda Akoluk, Turhan Ozler, Isin Dogan Ekici, Nalan Alan Selcuk
Thyroid incidentaloma is defined as a new identified thyroid lesion occasionally detected during imaging studies. Incidence of thyroid incidentalomas is relatively rare in patients with lymphoma. Because of high rate of malignancy, these lesions with high intensity focal (18) FDG uptake detected on positron emission tomography with computed tomography (PET/CT) should undergo to biopsy regardless of size.
June 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28584971/f-18-fdg-and-f-18-tau-pet-in-posterior-cortical-atrophy
#4
Madhavi Tripathi, Abhinav Bansal, Vivek Baghel, Praveen Kumar, Chandrasekhar Bal
No abstract text is available yet for this article.
June 6, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28579473/duodenal-gangliocytic-paraganglioma-endoscopy-sonography-and-f-18-fdg-pet-ct-imaging
#5
Ming Yang, Jonathan A Leighton, Douglas O Faigel, Nitin N Katariya
No abstract text is available yet for this article.
May 18, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28571704/percutaneous-radiofrequency-ablation-of-lung-metastases-from-colorectal-carcinoma-under-c-arm-cone-beam-ct-guidance
#6
G Amouyal, S Pernot, C Déan, B Cholley, F Scotté, M Sapoval, O Pellerin
PURPOSE: The aim of this study was to assess the feasibility, safety and efficacy of percutaneous radiofrequency ablation of lung metastases from colorectal carcinoma using C-arm cone beam computed tomography (CBCT) guidance. MATERIAL AND METHODS: This single-center prospective observational study was performed from August 2013 to August 2016, and included consecutive patients referred for radiofrequency ablation of lung metastases from colorectal cancer. Radiofrequency ablation procedures were performed under C-arm CBCT guidance...
May 29, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28566588/limited-identification-of-dual-time-point-positron-emission-tomography-computed-tomography-in-advanced-colorectal-neoplasms
#7
Kazuhiro Kashiwagi, Yoshihiro Nakazato, Mari Arai, Eisuke Iwasaki, Makoto Naganuma, Nagamu Inoue, Yasushi Iwao, Haruhiko Ogata, Koji Murakami, Takanori Kanai
Objective We investigated whether dual-time-point 18-Fluorodeoxyglucose ((18)FDG) positron emission tomography/computed tomography (PET/CT) could improve the positive predictive value for detecting advanced colorectal neoplasms (cancer, adenoma ≥10 mm or adenoma with high-grade dysplasia). Methods We retrospectively searched for consecutive patients with a known primary cancer, who had a colonic (18)FDG uptake incidentally found by PET/CT, followed by colonoscopy between January 2013 and August 2014. The clinical characteristics including the maximum standardized uptake value (SUVmax) were compared between advanced colorectal neoplasms and non-advanced lesions...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28559946/f-18-fdg-pet-findings-for-vogt-koyanagi-harada-disease
#8
Hye Lim Park, Ie Ryung Yoo, Sonya Youngju Park
Vogt-Koyanagi-Harada disease is a rare multisystemic granulomatous autoimmune disorder affecting pigmented tissues such as the choroid, meninges, inner ear, and the skin. Neurologic symptoms are usually mild. Clinical manifestations include generalized muscle weakness, headache, meningismus, vertigo, decreased visual acuity, hearing loss and mental changes ranging from mild confusion to psychosis, hemiparesis, dysarthria, and aphasia. Seizures are very rare. We describe a case of (18)F-fluorodeoxyglucose (F-18 FDG) positron emission tomography (PET) and software-fused PET-magnetic resonance imaging (MRI) in Vogt-Koyanagi-Harada disease with seizure...
June 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28559944/giant-cell-tumor-of-the-rib-two-cases-of-f-18-fdg-pet-ct-findings
#9
Hye Lim Park, Ie Ryung Yoo, Yeongjoo Lee, Sonya Youngju Park, Chan Kwon Jung
We report two cases of giant cell tumor arising from the rib and their F-18 FDG PET/CT findings. The two patients complained of chest wall pain, and large lobulated soft tissue masses with intense FDG uptake were seen on F-18 FDG PET/CT. A malignant tumor such as osteosarcoma or chondrosarcoma was suspected due to the large size of the mass, bony destruction, and intense FDG uptake. En bloc resection was performed and final pathologic results revealed giant cell tumor of the rib. Giant cell tumor of the rib is very rare, and larger lesions with high FDG uptake can be misdiagnosed as an intrathoracic malignancy arising from the rib, pleura, or chest wall...
June 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28559934/the-current-status-of-spect-or-spect-ct-in-south-korea
#10
REVIEW
Ikdong Yoo, Eun Kyoung Choi, Yong-An Chung
The first step to nuclear medicine in Korea started with introduction of the gamma camera in 1969. Although planar images with the gamma camera give important functional information, they have the limitations that result from 2-dimensional images. Single-photon emission computed tomography (SPECT) due to its 3-dimensional image acquisition is superior to earlier planar gamma imaging in image resolution and diagnostic accuracy. As demand for a hybrid functional and anatomical imaging device has increased, integrated SPECT/CT systems have been used...
June 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28559006/acl-graft-metabolic-activity-assessed-by-18-fdg-pet-mri
#11
Robert A Magnussen, Katherine Binzel, Jun Zhang, Wenbo Wei, Melanie U Knopp, David C Flanigan, Timothy E Hewett, Christopher C Kaeding, Michael V Knopp
BACKGROUND: To demonstrate the use of (18)Fluorodeoxyglucose positron emission tomography (PET) and magnetic resonance imaging (MRI) in combination ((18)FDG-PET) to assess the metabolic activity of ACL graft tissue and evaluate the utility of this technique for ligament imaging. METHODS: Twenty-one knees with intact ACL grafts in 19 patients at multiple time points following ACL reconstruction were recruited to participate. PET-MRI imaging was performed using a custom device to place knees in the same position for both studies...
May 27, 2017: Knee
https://www.readbyqxmd.com/read/28557202/gastrointestinal-multiparametric-hybrid-18-fdg-pet-mri-evaluation-of-gastric-adenocarcinoma
#12
S M Broski, G B Johnson, A H Goenka
No abstract text is available yet for this article.
June 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28553833/longitudinal-changes-in-brain-metabolic-activity-after-withdrawal-from-escalation-of-cocaine-self-administration
#13
Céline Nicolas, Clovis Tauber, François-Xavier Lepelletier, Sylvie Chalon, Pauline Belujon, Laurent Galineau, Marcello Solinas
The chronic and relapsing nature of addiction suggests that drugs produce persistent adaptations in the brain that make individuals with drug addiction particularly sensitive to drug-related cues and stress and incapable of controlling drug-seeking and drug-taking behavior. In animal models, several long-lasting neuroadaptations have been described. However, few studies have used brain-imaging techniques to provide a complete picture of brain functioning in the course of withdrawal from cocaine. In this study, we allowed rats to self-administer cocaine under short-access (1-h/day) or long-access (6-h/day) conditions and used 2-deoxy-2-((18)F)fluoro-d-glucose ((18)FDG) positron emission tomography (PET) scanning to investigate the longitudinal changes in metabolic activity 1 and 4 weeks after discontinuation of cocaine self-administration...
May 29, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28553176/metabolic-activity-value-in-the-posterior-cingulate-cortex-using-f-18-fluorodeoxyglucose-positron-emission-tomography-brain-to-predict-the-severity-of-alzheimer-s
#14
Aulia Huda, Achmad Hussein Sundawa Kartamihardja, Budi Darmawan, Hendra Budiawan, Martina Wiwie
Alzheimer's disease (AD) is a type of dementia which is known as one of a major problem in elderly. Clinicians commonly use mini-mental state examination (MMSE) score to determine the severity of cognitive decline, but MMSE has some limitations such as more subjective, influenced by age, educational degree, and local culture. F-18 fluorodeoxyglucose positron emission tomography (F-18 FDG PET) can be used to assess the process of glucose metabolism in posterior cingulate cortex (PCC) area which endures a central role in supporting cognitive function directly...
April 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28543682/residual-thymic-tissue-and-lymph-node-involvement-by-acute-myeloid-leukaemia-presenting-as-mediastinal-strongly-18-fdg-pet-positive-masses
#15
Georg Maschmeyer, Ingo Brink, Doris Jähne, Renate Arnold, Olaf Schega
We report on a multidisciplinary management of a 68-year-old AML patient presenting with a PET-positive mediastinal tumour typical for lymph node metastasis. It was removed via minimally invasive thoracoscopic intervention and was identified as a thymus residual infiltrated by AML. Follow-up PET-CT scan after resection and remission induction chemotherapy was completely normal. To our knowledge, this is the first documented case report of AML presenting with PET-positive infiltrates of thymic and lymph node tissue along the aortic bow mimicking a second intrathoracic malignancy...
May 22, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28533646/image-findings-of-rare-case-of-peritoneal-carcinomatosis-from-non-small-cell-lung-cancer-and-response-to-erlotinib-in-f-18-fdg-positron-emission-tomography-computed-tomography
#16
Koramadai Karuppusamy Kamaleshwaran, Jephy Joseph, Radha Krishnan Kalarikal, Ajit Sugunan Shinto
Lung cancer is currently one of the most common malignancies in the world. Metastatic disease is observed in ~ 40% of patients with lung cancer, with the most common sites of metastasis being the bone, liver, brain and adrenal glands. Peritoneal carcinomatosis (PC) is defined as the progression of the primary cancer to the peritoneum. PC is a rare clinical event in lung cancer. Tyrosine kinase inhibitors targeting the epidermal growth factor receptor (EGFR), such as erlotinib are used for the treatment of patients with advanced non-small cell lung cancer (NSCLC)...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533645/image-findings-of-polyostotic-fibrous-dysplasia-mimicking-metastasis-in-f-18-fdg-positron-emission-tomography-computed-tomography
#17
Koramadai Karuppusamy Kamaleshwaran, Jephy Joseph, Radhakrishnan Kalarikal, Ajit Sugunan Shinto
Fibrous dysplasia (FD) of the bone is characterized by the medullary cavity of bones becoming filled with fibrous tissue, and its etiology remains unknown. It is usually asymptomatic and found incidentally on imaging studies that are performed for other purposes. FD may closely mimic the appearance of bony metastatic disease on radiological examinations. We report the case of a 45-year-old female patient, which appeared to have multiple bone lesions on initial workup images. Subsequently, the bone lesions that showed increased FDG uptake on PET/CT in right femur and tibia were identified as FD...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28497566/cest-mri-of-3-o-methyl-d-glucose-on-different-breast-cancer-models
#18
Michal Rivlin, Gil Navon
PURPOSE: To test the ability of chemical exchange saturation transfer (CEST) MRI of 3-O-methyl-D-glucose (3OMG) to detect tumors in several breast cancer models of murine and human origin, for different routes of administration of the agent and to compare the method with glucoCEST and with (18) FDG-PET on the same animals. METHODS: In vivo CEST MRI experiments were performed with a 7T Biospec animal MRI scanner on implanted orthotopic mammary tumors of mice before and after administration of 3OMG...
May 12, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28485042/prognostic-models-for-primary-mediastinal-thymic-b-cell-lymphoma-derived-from-18-fdg-pet-ct-quantitative-parameters-in-the-international-extranodal-lymphoma-study-group-ielsg-26-study
#19
Luca Ceriani, Maurizio Martelli, Annarita Conconi, Pier L Zinzani, Andrés J M Ferreri, Barbara Botto, Caterina Stelitano, Manuel Gotti, Maria G Cabras, Luigi Rigacci, Luca Giovanella, Emanuele Zucca, Peter W M Johnson
The International Extranodal Lymphoma Study Group-26 study evaluated the prognostic role of 18-fluorodeoxyglucose positron-emission tomography (PET) in primary mediastinal large B-cell lymphoma. We assessed quantitative PET parameters at diagnosis and post-treatment in 100 patients. The end-of-therapy total lesion glycolysis (TLG) was the best individual outcome predictor, but the combination of baseline TLG and end-of-therapy visual analysis with Deauville Score (DS) showed a better positive predictive value...
May 9, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28474323/update-on-treatment-in-cardiac-sarcoidosis
#20
REVIEW
Laura Young, Brett W Sperry, Rory Hachamovitch
The prevalence of cardiac sarcoidosis has exponentially increased over the past decade, primarily due to increased awareness and diagnostic modalities for the disease entity. Despite an expanding patient cohort, the optimal management of cardiac sarcoidosis remains yet to be established with a significant lack of prospective trials to support current practice. Corticosteroids remain first-line treatment of this disorder, and we recommend that immunosuppressive therapy should be initiated in all patients diagnosed with cardiac sarcoidosis...
June 2017: Current Treatment Options in Cardiovascular Medicine
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