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https://www.readbyqxmd.com/read/29909471/pet-ct-and-prediction-of-thyroid-cancer-in-patients-with-follicular-neoplasm-or-atypia
#1
Thao T Nguyen, Natascha G E Lange, Anne L Nielsen, Anders Thomassen, Helle Døssing, Christian Godballe, Max Rohde
PURPOSE: To examine whether addition of 18 F-fluoro-deoxy-glucose positron emission tomography/computed tomography (FDG-PET/CT) to fine needle aspiration biopsy (FNAB) would improve prediction of thyroid cancer in patients with FNAB-derived follicular neoplasm or atypia, classified according to focal, multifocal, diffuse, or no FDG uptake. MATERIALS AND METHODS: Consecutive patients with FNAB-derived follicular neoplasm or atypia planned for surgery from September 2013 to March 2016 were prospectively included and considered for analysis...
June 16, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29907934/diagnostic-yield-of-18-f-fdg-pet-ct-in-suspected-diagnosis-of-vascular-graft-infection-a-prospective-cohort-study
#2
Hans Bowles, Juan Ambrosioni, Gaspar Mestres, Marta Hernández-Meneses, Nuria Sánchez, Jaime Llopis, Xavier Yugueros, Manel Almela, Asunción Moreno, Vicenç Riambau, David Fuster, Jose M Miró
BACKGROUND: Prosthetic vascular graft infection (PVGI) is a severe complication associated with high morbidity and mortality. Clinical diagnosis is complex, requiring image testing such as CT angiography or leukocyte scintigraphy, which has considerable limitations. The aim of this study was to know the diagnostic yield of PET/CT with 18 F-Fluorodeoxyglucose (18 F-FDG) in patients with suspected PVGI. METHODS: We performed a prospective cohort study including 49 patients with suspected PVGI, median age of 62 ± 14 years...
June 15, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29906237/technical-note-ct-guided-percutaneous-core-biopsy-for-assessment-of-morphologically-normal-adrenal-glands-showing-high-fdg-uptake-in-patients-with-lung-cancer
#3
Guillaume Chassagnon, Souhail Bennani, Gael Freche, Pierre Magdeleinat, Audrey Mansuet-Lupo, Marie-Pierre Revel
OBJECTIVES: Increased FDG uptake in morphologically normal adrenal glands on PET-CT is a diagnostic challenge with major implications on treatment. The purpose of this retrospective study was to report our experience of CT-guided percutaneous core biopsy of morphologically normal adrenal glands showing increased FDG uptake in a context of lung cancer. METHODS: Biopsies for non-enlarged adrenal glands showing increased FDG uptake in lung cancer patients performed at our institution from December 2014 to December 2016 were retrospectively analyzed...
June 15, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29904737/serum-cytokine-profiles-and-metabolic-tumor-burden-in-patients-with-non-small-cell-lung-cancer-undergoing-palliative-thoracic-radiation-therapy
#4
Hanne A Eide, Ingerid Skjei Knudtsen, Vandana Sandhu, Ayca M Løndalen, Ann Rita Halvorsen, Azadeh Abravan, Elin H Kure, Trond V Bogsrud, Odd Terje Brustugun, Jon Amund Kyte, Eirik Malinen, Åslaug Helland
Purpose: Radiation therapy effectively kills cancer cells and elicits local effects in the irradiated tissue. The aim of this study was to investigate the kinetics of cytokines in the serum of patients with lung cancer undergoing radiation therapy and to identify associations with metabolic tumor burden as determined by 2-deoxy-2-fluoro-D-glucose (18 F-FDG) positron emission tomography (PET). Methods and materials: Forty-five patients with advanced non-small cell lung cancer were included in a phase 2 clinical trial and randomized between fractionated thoracic radiation therapy alone or concurrent with an epidermal growth factor receptor inhibitor...
April 2018: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29904579/advanced-imaging-improves-the-diagnosis-of-infective-endocarditis
#5
REVIEW
Daniel Harding, Bernard Prendergast
Infective endocarditis is a heterogeneous condition whose incidence is rising. Despite advances in surgery and diagnostic methods, one-year mortality has not changed and it remains at 30%. Patients with prosthetic valve and intra-cardiac device-related endocarditis are being seen more frequently and this condition is difficult to diagnose with conventional microbiological and imaging techniques. The modified Duke criteria lack sensitivity in this group and should be supplemented with newer imaging techniques, including 18F-fluorodeoxyglucose positron emission tomography (18F-FDG-PET) and single-photon emission computed tomography (SPECT)...
2018: F1000Research
https://www.readbyqxmd.com/read/29904040/a-pilot-trial-to-examine-the-changes-in-carotid-arterial-inflammation-in-renal-transplant-recipients-as-assessed-by-18f-fluorodeoxyglucose-18f-fdg-positron-emission-tomography-computed-tomography-pet-ct
#6
Hye Eun Yoon, Yaeni Kim, Sang Dong Kim, Jin Kyoung Oh, Yong-An Chung, Seok Joon Shin, Chul Woo Yang, Suk Min Seo
BACKGROUND Inflammatory activity of the artery can be assessed by measuring 18F-fluorodeoxyglucose (18F-FDG) uptake with positron emission tomography computed tomography (PET/CT). Improvement in vascular function after renal transplantation has been reported, but no studies have used 18F-FDG PET/CT to examine the changes in vascular inflammation. This study investigated the changes in the inflammatory activity in the carotid artery after renal transplantation in patients with chronic kidney disease (CKD). MATERIAL AND METHODS 18F-FDG PET/CT was performed before and at 4 months after transplantation...
June 15, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29903564/nuclear-medicine-imaging-in-the-dentomaxillofacial-region
#7
REVIEW
Heidi R Wassef, Patrick M Colletti
Nuclear medicine studies evaluate physiology on a molecular level providing earlier detection of lesions before morphologic change is evident. 99m Tc-MDP and 18 F-fluoride bone scans detect osteomyelitis earlier than radiographs and computed tomography (CT); aid in diagnosis of temporomandibular joint disorder; and evaluate activity of condylar hyperplasia, extent of Paget disease, and viability of bone grafts. 18 F-FDG PET/CT distinguish between soft tissue and bone infections and diagnose osteomyelitis complicated by fracture or surgery...
July 2018: Dental Clinics of North America
https://www.readbyqxmd.com/read/29903537/predictors-of-positive-18-f-fdg-pet-ct-scan-for-large-vessel-vasculitis-in-patients-with-persistent-polymyalgia-rheumatica
#8
Diana Prieto-Peña, Isabel Martínez-Rodríguez, Javier Loricera, Ignacio Banzo, Mónica Calderón-Goercke, Vanesa Calvo-Río, Carmen González-Vela, Alfonso Corrales, Santos Castañeda, Ricardo Blanco, José L Hernández, Miguel Á González-Gay
OBJECTIVE: Polymyalgia rheumatica (PMR) is often the presenting manifestation of giant cell arteritis (GCA). Fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) scan often discloses the presence of large vessel vasculitis (LVV) in PMR patients. We aimed to identify predictive factors of a positive PET/CT scan for LVV in patients classified as having isolated PMR according to well-established criteria. METHODS: A set of consecutive patients with PMR from a single hospital were assessed...
May 18, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29901601/determinants-of-physiological-uptake-of-18f-fluorodeoxyglucose-in-palatine-tonsils
#9
Emily Birkin, Katherine S Moore, Chao Huang, Marshall Christopher, John I Rees, Vetrisudar Jayaprakasam, Patrick A Fielding
To determine the extent of physiological variation of uptake of F-flurodeoxyglucose (FDG) within palatine tonsils. To define normal limits for side-to-side variation and characterize factors affecting tonsillar uptake of FDG.Over a period of 16 weeks 299 adult patients at low risk for head and neck pathology, attending our center for FDG positron emission tomography/computed tomography (PET/CT) scans were identified. The maximum standardized uptake value (SUVmax) was recorded for each palatine tonsil. For each patient age, gender, smoking status, scan indication and prior tonsillectomy status as well as weather conditions were noted...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29901488/decrease-in-total-lesion-glycolysis-and-survival-after-yttrium-90-radioembolization-in-poorly-differentiated-hepatocellular-carcinoma-with-portal-vein-tumour-thrombosis
#10
Luca Filippi, Giovan G Di Costanzo, Antonio D'Agostini, Raffaella Tortora, Giuseppe Pelle, Roberto Cianni, Orazio Schillaci, Oreste Bagni
PURPOSE: This study aims to evaluate the prognostic role of the decrease in total lesion glycolysis (TLG) assessed by fluorine-18-fluorodeoxyglucose (F-FDG) PET-computed tomography (CT) 1 month after yttrium-90-radioembolization (Y-RE) in patients affected by hepatocellular carcinoma (HCC) with portal vein tumour thrombosis (PVTT). PATIENTS AND METHODS: Twenty-one patients with histologically proven poorly differentiated HCC and evidence of PVTT at the enhanced multislice CT underwent Y-RE...
June 12, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29900702/brown-adipose-tissue-density-measured-by-near-infrared-time-resolved-spectroscopy-in-japanese-across-a-wide-age-range
#11
Sayuri Fuse, Shinsuke Nirengi, Shiho Amagasa, Toshiyuki Homma, Ryotaro Kime, Tasuki Endo, Naoki Sakane, Mami Matsushita, Masayuki Saito, Takeshi Yoneshiro, Yuko Kurosawa, Takafumi Hamaoka
F18-fluorodeoxyglucose (FDG)-positron emission tomography (PET) along with computed tomography (CT) is a standard method for assessing brown adipose tissue (BAT) activity. We tested the usefulness of near-infrared time-resolved spectroscopy (NIRTRS) as a simple and noninvasive method for evaluating BAT density (BAT-d) by examining the effects of some factors known to influence BAT activity. The total hemoglobin concentration as a parameter of BAT-d was evaluated using NIRTRS in the supraclavicular region in 413 Japanese individuals...
June 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29894336/diffuse-18f-fdg-avidity-in-liver-associated-with-x-linked-protoporphyria-on-pet-ct
#12
Zhanli Fu, Meng Liu, Xueqi Chen, Xing Yang, Qian Li
An F-FDG PET/CT was performed on a 43-year-old woman with photosensitive skin rash, abnormal liver function, and pancytopenia, which demonstrated prominent hepatomegaly, splenomegaly, and diffuse liver F-FDG avidity. The liver biopsy revealed intrahepatic cholestasis with biliary fibrosis resulting from the deposition of protoporphyrin. X-linked erythroid-specific 5-aminolevulinate synthase gene analysis proved the diagnosis of X-linked protoporphyria.
June 12, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29894335/evidence-of-prostate-specific-membrane-antigen-expression-in-metastatic-differentiated-thyroid-cancer-using-68ga-psma-hbed-cc-pet-ct
#13
Priyanka Verma, Gaurav Malhotra, Ritesh Agrawal, Sunita Sonavane, Vilas Meshram, Ramesh V Asopa
PURPOSE OF THE REPORT: Prostate-specific membrane antigen (PSMA) overexpression is not restricted to prostate cancer, but it has also been demonstrated in gliomas, lung cancer, and in tumor neovasculature. Systematic studies exploring PSMA uptake in thyroid tumors are lacking. The aim of this pilot study was to assess PSMA expression in patients with metastatic differentiated thyroid cancer (mDTC). MATERIALS AND METHODS: Ten patients of mDTC harboring 32 lesions (5 men; age range, 38-65 years; mean age, 50 years) underwent prospective evaluation with radioiodine (I), F-FDG PET, and Ga-PSMA-HBED-CC PET scans as per the institution protocol...
June 12, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29893752/the-prognostic-and-diagnostic-value-of-18f-fdg-pet-ct-for-assessment-of-symptomatic-osteoarthritis
#14
Brian J Nguyen, Ashley Burt, Randall L Baldassare, Edward Smitaman, Maud Morshedi, Steven Kao, Eric Y Chang, Sebastian Obrzut
OBJECTIVE: The objective of this study was to assess the clinical significance of increased fluorine-18-fluorodeoxyglucose (F-FDG) uptake on PET/CT in joints for evaluation of symptomatic osteoarthritis (OA) and prediction of progression. PATIENTS AND METHODS: In this prospective study, shoulder, hip, and knee joints were imaged in 65 patients undergoing routine F-FDG PET/CT imaging. Patients completed the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) questionnaire to assess joint pain, stiffness, and physical function...
July 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29893751/clinical-impact-of-fluorine-18-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-in-patients-with-resectable-pancreatic-cancer-diagnosing-lymph-node-metastasis-and-predicting-survival
#15
Hyung Rae Kim, Minjung Seo, Yang Won Nah, Hyung Woo Park, Seol Hoon Park
PURPOSE: To evaluate the diagnostic accuracy of fluorine-18-fluorodeoxyglucose PET/computed tomography (F-FDG PET/CT) for lymph node (LN) metastasis and the prognostic significance of F-FDG PET/CT LN parameters in patients with resectable pancreatic cancer. PATIENTS AND METHODS: Patients with resectable pancreatic cancer who underwent staging F-FDG PET/CT between May 2007 and September 2016 were retrospectively enrolled and analyzed through medical record and image re-evaluation...
July 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29893750/role-of-18f-fdg-pet-ct-in-evaluating-molecular-subtypes-and-clinicopathological-features-of-primary-breast-cancer
#16
Esra Arslan, Tevfik F Çermik, Fadime D C Trabulus, Esra C K Talu, Şerife Başaran
OBJECTIVE: In this study, primary tumors' fluorine-18-fluorodeoxyglucose (F-FDG) uptake in luminal A, luminal B, triple-negative, and human epidermal growth factor receptor type-2 subtypes of breast cancer was evaluated. In addition, the relationship between the primary tumor maximum standardized uptake value (SUVmax) value and the presence of distant metastasis and axillary involvement was evaluated. PATIENTS AND METHODS: Whole-body F-FDG PET/computed tomography (CT) imaging of 493 patients (mean age; 54...
July 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29892963/effect-of-starvation-on-brain-glucose-metabolism-and-18-f-2-fluoro-2-deoxyglucose-uptake-an-experimental-in-vivo-and-ex-vivo-study
#17
Ambra Buschiazzo, Vanessa Cossu, Matteo Bauckneht, Annamaria Orengo, Patrizia Piccioli, Laura Emionite, Giovanna Bianchi, Federica Grillo, Anna Rocchi, Francesco Di Giulio, Francesco Fiz, Lizzia Raffaghello, Flavio Nobili, Silvia Bruno, Giacomo Caviglia, Silvia Ravera, Fabio Benfenati, Michele Piana, Silvia Morbelli, Gianmario Sambuceti, Cecilia Marini
BACKGROUND: The close connection between neuronal activity and glucose consumption accounts for the clinical value of 18F-fluoro-2-deoxyglucose (FDG) imaging in neurodegenerative disorders. Nevertheless, brain metabolic response to starvation (STS) might hamper the diagnostic accuracy of FDG PET/CT when the cognitive impairment results in a severe food deprivation. METHODS: Thirty six-week-old BALB/c female mice were divided into two groups: "control" group (n = 15) were kept under standard conditions and exposed to fasting for 6 h before the study; the remaining "STS" mice were submitted to 48 h STS (absence of food and free access to water) before imaging...
June 11, 2018: EJNMMI Research
https://www.readbyqxmd.com/read/29889034/hypermetabolic-hurthle-cell-adenoma-on-18-f-fdg-pet-ct
#18
Aamna Hassan, Saima Riaz, Amna Asif
Thyroid incidentalomas are frequently reported on 18 F-FDG PET/CT scan. High risk of malignancy is thought to be associated with increased metabolic activity and high standardized uptake value. Likewise, thyroid nodules with focal FDG avidity have a higher potential to be malignant. However, some benign nodules such as follicular and Hurthle cell adenomas can also present with focal hypermetabolic activity. We report a case of a 59-year-old lady diagnosed with gastric carcinoma, who had a hypermetabolic thyroid nodule on FDG PET/CT scan...
June 7, 2018: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/29889033/disseminated-multi-system-sarcoidosis-mimicking-metastases-on-18-f-fdg-pet-ct
#19
William Makis, Mark Palayew, Christopher Rush, Stephan Probst
A 60-year-old female with no significant medical history presented with hematuria. A computed tomography (CT) scan revealed extensive lymphadenopathy with hypodensities in the liver and spleen, and she was referred for an 18 F-fluorodeoxyglucose (18 F-FDG) positron emission tomography/CT (PET/CT) study to assess for malignancy of unknown primary. PET/CT revealed extensive 18 F-FDG avid lymphadenopathy as well as innumerable intensely 18 F-FDG avid lung, liver and splenic nodules, highly concerning for malignancy...
June 7, 2018: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/29889030/laryngeal-tuberculosis-mimicking-laryngeal-carcinoma-on-18-f-fdg-pet-ct-imaging
#20
Arzu Cengiz, Sibel Göksel, Yeşim Başal, Şule Taş Gülen, Füruzan Döğer, Yakup Yürekli
Laryngeal tuberculosis is a rare presentation of tuberculosis. It can mimic laryngeal carcinoma with its clinical and imaging findings. A 51-year old woman underwent 18 F-fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) imaging for clinically suspected carcinoma of the larynx. PET/CT revealed lung lesions consistent with tuberculosis in additional to hypermetabolic focus on larynx. The patient was histopathologically diagnosed with lung and laryngeal tuberculosis.
June 7, 2018: Molecular Imaging and Radionuclide Therapy
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