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https://www.readbyqxmd.com/read/28334894/minimal-activity-low-dose-pet-ct-a-problem-solving-tool-for-uncertain-pulmonary-pet-findings-without-correlative-ct-lesions
#1
Falk Gühne, Robert Drescher, Martin Freesmeyer
No abstract text is available yet for this article.
March 8, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28334428/discrepancy-between-ctnm-and-ptnm-staging-of-oral-cavity-cancers-and-its-prognostic-significance
#2
Nayeon Choi, Yangseop Noh, Eun Kyu Lee, Manki Chung, Chung-Hwan Baek, Kwan-Hyuck Baek, Han-Sin Jeong
INTRODUCTION: Accurate tumor-node-metastasis(TNM) staging of oral cavity cancer(OCC) is very important in the management of this dismal disease. However, stage migration from cTNM to pTNM was found in a portion of OCC patients. The objective of this study was to determine the possible causes of discrepancy between cTNM and pTNM in OCC and the clinical impacts of stage migration. METHODS: Clinical and pathological data of 252 OCC patients were retrospectively reviewed and compared each other...
March 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28333548/utility-of-pet-ct-after-cryoablation-for-early-identification-of-local-tumor-progression-in-osseous-metastatic-disease
#3
Ann T Packard, Stephen M Broski, Matthew R Callstrom, Thomas D Atwell, Grant D Schmit, John J Schmitz, Jonathan M Morris, Christopher H Hunt, A Nicholas Kurup
OBJECTIVE: The purpose of this study is to evaluate the utility of combined PET/CT for the detection of early local tumor progression after cryoablation of bone metastases. MATERIALS AND METHODS: A retrospective single-institution review revealed 61 consecutive patients with 80 separate bone metastases treated with cryoablation who were evaluated with a preablation PET/CT and at least two postablation PET/CT examinations between September 2007 and July 2015. Patients were excluded if they had local therapy or pathologic fracture after ablation...
March 23, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28333020/-18-f-choline-positron-emission-tomography-computed-tomography-and-multiparametric-magnetic-resonance-imaging-for-the-detection-of-early-local-recurrence-of-prostate-cancer-initially-treated-by-radiation-therapy-comparison-with-systematic-3-dimensional-transperineal
#4
Salim Kanoun, Paul Walker, Jean-Marc Vrigneaud, Edouard Depardon, Vincent Barbier, Olivier Humbert, Morgan Moulin, Gilles Créhange, Luc Cormier, Romaric Loffroy, François Brunotte, Alexandre Cochet
PURPOSE: To compare the diagnostic performance of (18)F-fluorocholine positron emission tomography/computed tomography (FCH-PET/CT), multiparametric prostate magnetic resonance imaging (mpMRI), and a combination of both techniques for the detection of local recurrence of prostate cancer initially treated by radiation therapy. METHODS AND MATERIALS: This was a retrospective, single-institution study of 32 patients with suspected prostate cancer recurrence who underwent both FCH-PET/CT and 3T mpMRI within 3 months of one another for the detection of recurrence...
April 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28332488/parkinson-disease
#5
REVIEW
Werner Poewe, Klaus Seppi, Caroline M Tanner, Glenda M Halliday, Patrik Brundin, Jens Volkmann, Anette-Eleonore Schrag, Anthony E Lang
Parkinson disease is the second-most common neurodegenerative disorder that affects 2-3% of the population ≥65 years of age. Neuronal loss in the substantia nigra, which causes striatal dopamine deficiency, and intracellular inclusions containing aggregates of α-synuclein are the neuropathological hallmarks of Parkinson disease. Multiple other cell types throughout the central and peripheral autonomic nervous system are also involved, probably from early disease onwards. Although clinical diagnosis relies on the presence of bradykinesia and other cardinal motor features, Parkinson disease is associated with many non-motor symptoms that add to overall disability...
March 23, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28331985/one-month-assessment-of-renal-cell-carcinoma-treated-by-everolimus-using-fdg-pet-ct-predicts-progression-free-and-overall-survival
#6
Hiroki Ito, Keiichi Kondo, Takashi Kawahara, Tomohiro Kaneta, Ukihide Tateishi, Daiki Ueno, Kazuhiro Namura, Kazuki Kobayashi, Yasuhide Miyoshi, Yasushi Yumura, Kazuhide Makiyama, Narihiko Hayashi, Hisashi Hasumi, Kimito Osaka, Yumiko Yokomizo, Jun-Ichi Teranishi, Yusuke Hattori, Tomio Inoue, Hiroji Uemura, Masahiro Yao, Noboru Nakaigawa
PURPOSE: We evaluated (18)F-2-fluoro-2-deoxyglucose positron emission tomography/computed tomography (FDG PET/CT) results as outcome predictors for patients with metastatic renal cell carcinoma (RCC) treated by everolimus (EVL), an inhibitor of mammalian target of rapamycin. METHODS: We retrospectively reviewed 30 patients who were treated with EVL for metastatic RCC between May 2010 and March 2015, by evaluating their FDG PET/CT result before and 1 month after starting EVL treatment...
March 22, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28331825/the-imaging-of-small-pulmonary-nodules
#7
REVIEW
Zejun Zhou, Ping Zhan, Jiajia Jin, Yafang Liu, Qian Li, Chenhui Ma, Yingying Miao, Qingqing Zhu, Panwen Tian, Tangfeng Lv, Yong Song
Lung cancer is the leading cause of cancer death worldwide. The major goal in lung cancer research is the improvement of long-term survival. Pulmonary nodules have high clinical importance, they may not only prove to be an early manifestation of lung cancer, but decide to choose the right therapy. This review will introduce the development and current situation of several imaging examination methods: computed tomography (CT), positron emission tomography/computed tomography (PET/CT), endobronchial ultrasound (EBUS)...
February 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28331746/correlation-between-18f-fdg-positron-emission-tomography-18f-fdg-uptake-levels-at-diagnosis-and-histopathologic-and-immunohistochemical-factors-in-patients-with-breast-cancer
#8
Gamze Uğurluer, Sinan Yavuz, Züleyha Çalıkuşu, Ertuğrul Seyrek, Mustafa Kibar, Meltem Serin, Canan Ersöz, Orhan Demircan
OBJECTIVE: In this study, we aimed to determine the correlation between pretreatment-staging 18F-FDG total body positron-emission tomography/computed tomography (PET/CT) maximum standardized uptake value (SUVmax) levels and histopathologic and immunohistochemical predictive and prognostic factors in patients with breast cancer. MATERIALS AND METHODS: One hundred thirty-nine women with breast cancer who were treated between 2009 and 2015 at our hospital and who had pretreatment-staging PET/CT were included in the study...
July 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331741/pet-mri-findings-of-two-patients-with-breast-carcinoma-before-treatment
#9
Filiz Çelebi, Ülkühan Köksal, Kezban Nur Pilancı, Çetin Ordu, Dauren Sarsenov, Serkan İlgün, Fatmagül Kuşku Çabuk, Gül Alço, Güzide Özdil, Zeynep Erdoğan, Vahit Özmen
Integrated positron-emission tomography-magnetic resonance imaging (PET-MRI) is a new hybrid simultaneous imaging modality with higher soft tissue contrast and lower radiation doses compared with PET-CT. Two patients who were referred to our hospital with left breast masses that were pathologically diagnosed as invasive ductal carcinoma. The women were then scanned using the first PET-MRI system in Turkey, which was established in our department. In this case report, we aimed to determine the advantages of PET-MRI in staging, follow-up, neoadjuvant chemotherapy response, and to compare the usefulness of this modality with PET-CT and dynamic contrast-enhanced breast MRI...
April 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331146/effect-of-scatter-limitation-correction-with-misregistration-between-computed-tomography-and-positron-emission-tomography-on-scatter-correction-a-physical-phantom-study
#10
Akihiro Furuta, Hideo Onishi, Yoshiharu Kangai, Yoshinori Shigehiro, Ikuhiro Kawasaki
PURPOSE: This study aimed to evaluate the advantage of scatter limitation correction with misregistration between μ-map in the computed tomography attenuation correction and positron emission tomography in PET/CT study. METHODS: We used torso phantom including simulated tumor and arms phantom. The CT scan was performed by changing the position of arms phantom after PET scan. Arms phantom movement was out-side direction, in-side direction, and top-side direction by 1-12 cm, respectively...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28330738/graft-infection-after-a-bentall-procedure-a-case-series-and-systematic-review-of-the-literature
#11
I Machelart, C Greib, G Wirth, F Camou, N Issa, J F Viallard, J L Pellegrin, E Lazaro
INTRODUCTION: The Bentall procedure is a cardiac surgery involving graft replacement of the aortic valve, aortic root and ascending aorta. Graft infection after Bentall's procedure (BGI) is infrequent but severe, and often difficult to diagnose and treat. PATIENTS AND METHODS: A retrospective cohort study was performed using the Bordeaux endocarditis database of adult patients admitted to the Bordeaux University Medical Hospital for BGI between 2008 and 2014. Published case reports were identified in the literature...
March 7, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28330699/unusual-case-of-tumor-of-unknown-origin-found-by-18-f-fdg-pet-ct-metastatic-clear-cell-carcinoma-of-the-thyroid-gland
#12
G Treglia, P Trimboli, V Zilioli, F Fulciniti, L Giovanella
No abstract text is available yet for this article.
March 18, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28330698/uncommon-distant-metastasis-of-pleural-mesothelioma-detected-by-whole-body-18-f-fdg-pet-ct
#13
C Rapicetta, S Taddei, M Casali, R Valli, F Lococo, G Treglia, M Paci
No abstract text is available yet for this article.
March 18, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28330597/intramuscular-hibernoma-false-positive-of-tumour-recurrence-in-18-f-fdg-pet-ct
#14
C M Hernández Heredia, A Seva Delgado, R J Ávila Martínez, P C Gálvez Diez, L F Villares
No abstract text is available yet for this article.
March 15, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28330596/role-of-18-f-choline-pet-ct-in-guiding-biopsy-in-patients-with-risen-psa-levels-and-previous-negative-biopsy-for-prostate-cancer
#15
G A Jiménez Londoño, A M García Vicente, M Amo-Salas, F Fúnez Mayorga, M A López Guerrero, M P Talavera Rubio, P Gutierrez Martin, B González García, J A de la Torre Pérez, Á M Soriano Castrejón
OBJECTIVES: To study (18)F-Choline PET/CT in the diagnosis and biopsy guide of prostate cancer (pCa) in patients with persistently high prostate-specific antigen (PSA) and previous negative prostate biopsy. To compare the clinical risk factors and metabolic variables as predictors of malignancy. METHODS: Patients with persistently elevated PSA in serum (total PSA >4ng/mL) and at least a previous negative or inconclusive biopsy were consecutively referred for a whole body (18)F-Choline PET/CT...
March 15, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28329426/clinicopathological-characteristics-including-braf-v600e-mutation-status-and-pet-ct-findings-in-papillary-thyroid-carcinoma
#16
Eun Kyoung Choi, Ari Chong, Jung-Min Ha, Chan Kwon Jung, Joo Hyun O, Sung Hoon Kim
OBJECTIVE: We assessed the associations between FDG uptake in primary papillary thyroid carcinomas (PTCs) and clinicopathological features, including the BRAF V600E mutation, using quantitative and qualitative analyses of preoperative PET/CT data. DESIGN AND PATIENTS: This was a retrospective review of 106 patients with PTC who underwent PET/CT scans between February 2009 and January 2011 before undergoing total thyroidectomy. Data collected from surgical specimens were compared with FDG uptake in the primary tumor using quantitative and qualitative analyses of preoperative PET/CT data...
March 22, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28329162/the-value-of-fluorine-18-deoxyglucose-positron-emission-tomography-scans-in-patients-with-ventricular-assist-device-specific-infections%C3%A2
#17
Alexander M Bernhardt, Mustafa A Pamirsad, Chantal Brand, Daniel Reichart, Milena Tienken, Markus J Barten, Andreas Schaefer, Hanno Grahn, Meike Rybczynski, Tobias Deuse, Hermann Reichenspurner, Florian M Wagner
BACKGROUND: Infections are major complications in patients with ventricular assist devices (VAD). Positron emission tomography with deoxyglucose marked by fluorine-18 ( 18 F-FDG PET/CT) is a diagnostic tool to scan for tissue with high metabolism as present in infections. The specificity of 18 F-FDG PET/CT to discriminate between infection and an aseptic reaction of the implanted device is not defined and its evaluation is the aim of this retrospective analysis. METHODS: Until September 2015 a total of 100 patients underwent VAD implantations in our institution...
February 20, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28328161/synthesis-in-vitro-evaluation-and-68-ga-radiolabeling-of-cdp1-towards-pet-ct-imaging-of-bacterial-infection
#18
Jyotibon Dutta, Sooraj Baijnath, Anou M Somboro, Savania Nagiah, Fernando Albericio, Beatriz G de la Torre, Biljana Marjanovic-Painter, Jan Rijn Zeevaart, Mike Sathekge, Hendrik G Kruger, Anil Chuturgoon, Tricia Naicker, Thomas Ebenhan, Thavendran Govender
Bacterial infections are a major concern in the human health sector due to poor diagnosis and development of multi drug resistant strains. PET/CT provides a means for the noninvasive detection and localization of the infectious foci; however, the radiotracers available are either cumbersome to prepare or their exact contribution towards the imaging is not yet established. Human antimicrobial peptides are of interest for development as PET radiotracers as they are an integral component of the immune system, non-immunogenic towards the recipient and show selectivity towards pathogens such as bacteria...
March 22, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28327089/uniform-fdg-pet-guided-gradient-dose-prescription-to-reduce-late-radiation-toxicity-upgrade-rt-study-protocol-for-a-randomized-clinical-trial-with-dose-reduction-to-the-elective-neck-in-head-and-neck-squamous-cell-carcinoma
#19
Sven van den Bosch, Tim Dijkema, Martina C Kunze-Busch, Chris H J Terhaard, Cornelis P J Raaijmakers, Patricia A H Doornaert, Frank J P Hoebers, Marije R Vergeer, Bas Kreike, Oda B Wijers, Wim J G Oyen, Johannes H A M Kaanders
BACKGROUND: In definitive radiation therapy for head and neck cancer, clinically uninvolved cervical lymph nodes are irradiated with a so-called 'elective dose' in order to achieve control of clinically occult metastases. As a consequence of high-resolution diagnostic imaging, occult tumor volume has significantly decreased in the last decades. Since the elective dose is dependent on occult tumor volume, the currently used elective dose may be higher than necessary. Because bilateral irradiation of the neck contributes to dysphagia, xerostomia and hypothyroidism in a dose dependent way, dose de-escalation to these regions can open a window of opportunity to reduce toxicity and improve quality of life after treatment...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28326754/supporting-imaging-modalities-for-improving-diagnosis-of-prosthesis-endocarditis-preliminary-results-of-a-single-center-experience-with-fluorine-18-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#20
Anna Kokalova, Angelo M Dell'AQUILA, Nemanja Avramovic, Sven Martens, Christian Wenning, Jürgen R Sindermann
AIM: The aim of current study was to evaluate the role of PET-CT in the diagnosis of prosthetic valve endocarditis (PVE). METHODS: This is a single-center study including 13 PET/CT examinations performed between February 2009 and March 2016 in 13 patients (76.9% men, mean age 68.1 years, IQR 11.1) because of suspect of PVE. Median interval time between first operation and PET/CT examination was 19.02 months (lQR 85.5). Final diagnosis was made according to pathological criteria (histological and microbiological) of the Duke classification...
March 21, 2017: Minerva Medica
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