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https://www.readbyqxmd.com/read/28098664/pancreatic-cancer-complicated-by-pancreatitis-demonstrated-on-fdg-pet-ct
#1
Grace Hennessy, Shankar Vamadevan, Han Loh, Chuong Bui, Ken Le, Robert Mansberg
A 73-year-old man was referred for F-FDG PET/CT study for staging of biopsy-proven pancreatic adenocarcinoma. The scan demonstrated focal intense FDG uptake in the pancreatic head, localizing the primary tumor. Additional moderate diffuse uptake was seen throughout the pancreas, suggestive of acute pancreatitis. Concurrent diagnostic CT showed diffuse pancreatic hypoenhancement consistent with edema. Serum lipase level was elevated, confirming a diagnosis of acute pancreatitis.
January 16, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28098663/adenosquamous-carcinoma-of-the-pancreas-demonstrated-on-18f-fdg-pet-ct-imaging
#2
Lei Jiang, Hongting Nie, Lei Zhu, Yan Xiu, Hongcheng Shi
A 69-year-old woman had gradually worsening abdominal discomfort over a year. A pancreatic mass was revealed by abdominal CT. The patient underwent FDG PET/CT for staging, which demonstrated the hypermetabolic pancreatic mass with multiple liver metastases. The lesion was pathologically confirmed as pancreatic adenosquamous carcinoma after biopsy.
January 16, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28095018/hallway-conversations-in-physicswhat-is-the-typical-effective-dose-from-a-routine-eye-to-thigh-pet-ct-examination-assuming-an-injected-18-f-fdg-dose-of-370-mbq
#3
Shalmali Dharmadhikari, James R Galt, Jonathon A Nye
No abstract text is available yet for this article.
January 17, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28095016/renal-masses-detected-on-fdg-pet-ct-in-patients-with-lymphoma-imaging-features-differentiating-primary-renal-cell-carcinomas-from-renal-lymphomatous-involvement
#4
Carlos Nicolau, Evis Sala, Anita Kumar, Debra A Goldman, Heiko Schoder, Hedvig Hricak, Hebert Alberto Vargas
OBJECTIVE: The purpose of this study is to analyze the (18)F-FDG PET/CT features of solid renal masses detected in patients with lymphoma and to evaluate the ability of PET/CT to differentiate renal cell carcinoma (RCC) from renal lymphomatous involvement. MATERIALS AND METHODS: Thirty-six patients with solid renal masses on PET/CT performed for staging or follow-up of lymphoma were evaluated retrospectively. The features recorded for each renal mass included the following standardized uptake values (SUVs) on PET/CT: the maximum SUV (SUVmax), the mean SUV (SUVmean), the ratio of the SUVmax of the tumor to that of the normal kidney cortex, the ratio of the SUVmean of the tumor to that of the normal kidney cortex, the ratio of the SUVmax of the tumor to that of the normal liver, and the ratio of the SUVmean of the tumor to that of the normal liver...
January 17, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28093719/metabolic-nodal-response-as-a-prognostic-marker-after-neoadjuvant-therapy-for-oesophageal-cancer
#5
J M Findlay, K M Bradley, L M Wang, J M Franklin, E J Teoh, F V Gleeson, N D Maynard, R S Gillies, M R Middleton
BACKGROUND: The ability to predict recurrence and survival after neoadjuvant chemotherapy (NAC) and surgery for oesophageal cancer remains elusive. This study evaluated the role of [(18) F]fluorodeoxyglucose (FDG) PET-CT in assessing tumour and nodal response as a prognostic marker. METHODS: This was a single-centre UK cohort study. From 2006 to 2014, patients with oesophageal cancer staged with PET-CT before NAC, and restaged by CT or PET-CT before resection, were included...
January 17, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28091733/post-treatment-pet-ct-and-p16-status-for-predicting-treatment-outcomes-in-locally-advanced-head-and-neck-cancer-after-definitive-radiation
#6
Musaddiq J Awan, Pierre Lavertu, Chad Zender, Rod Rezaee, Nicole Fowler, Lilit Karapetyan, Michael Gibson, Jay Wasman, Peter Faulhaber, Mitchell Machtay, Min Yao
PURPOSE: To retrospectively review post-treatment (post-tx) FDG-PET/CT scans in patients with advanced head and neck squamous cell carcinoma (HNSCC) and known p16 status, treated with definitive (chemo)radiation (RT). METHODS: A total of 108 eligible patients had N2A or greater HNSCC treated with chemoRT from August 1, 2008, to February 28, 2015, with post-tx PET/CT within 6 months after RT. Kaplan-Meier curves, log-rank statistics, and Cox proportional hazards regression were used for statistical analysis...
January 14, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28091565/-18-f-flt-and-18-f-fdg-pet-ct-in-predicting-response-to-chemoradiotherapy-in-nasopharyngeal-carcinoma-preliminary-results
#7
Shi Qi, Yang Zhongyi, Zhang Yingjian, Hu Chaosu
The purpose of this study was to explore the feasibility of (18)F-Fluorothymidine ((18)F-FLT) and (18)F-Fluorodeoxyglucose ((18)F-FDG) positron emission tomography/computed tomography (PET/CT) in predicting treatment response of nasopharyngeal carcinoma (NPC). Patients with NPC of Stage II-IVB were prospectively enrolled, receiving 2 cycles of neoadjuvant chemotherapy (NACT), followed by concurrent chemoradiotherapy. Each patient underwent pretreatment and post-NACT FLT PET/CT and FDG PET/CT. Standard uptake values (SUV) and tumor volume were measured...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28090627/fdg-pet-for-early-response-assessment-in-lymphomas-part-2-diffuse-large-b-cell-lymphoma-use-of-quantitative-pet-evaluation
#8
REVIEW
Bruce D Cheson, Lale Kostakoglu
In Part 1, we reviewed the role of interim positron emission tomography (PET)/CT scans in Hodgkin lymphoma. In advanced Hodgkin lymphoma, interim PET is a useful prognostic tool that can be used to implement risk-adapted therapy with potential benefits for both patients who have negative interim scans and those whose scans are positive. Interim PET/CT has not shown as encouraging results in diffuse large B-cell lymphoma (DLBCL), with the exception of germinal center B-cell DLBCL. Thus, quantitative methods of interpreting interim PET scans have been pursued in an effort to improve their predictive value...
January 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28090622/fdg-pet-for-early-response-assessment-in-lymphomas-part-1-hodgkin-lymphoma
#9
REVIEW
Bruce D Cheson, Lale Kostakoglu
Interim positron emission tomography (PET)/CT has shown encouraging results when used as a prognostic tool early in the course of treatment of advanced Hodgkin lymphoma, allowing for a reduction in treatment for patients with favorable characteristics, while suggesting a benefit from changing therapy for those with a positive scan. For patients with limited disease, a negative scan allows for a decrease in treatment; however, the benefits for those patients whose scans are positive are less certain. Here we critically analyze the role of PET/CT in the early assessment of Hodgkin lymphoma...
January 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28089955/is-integrated-18f-fdg-pet-mri-superior-to-18f-fdg-pet-ct-in-the-differentiation-of-incidental-tracer-uptake-in-the-head-and-neck-area
#10
Benedikt Michael Schaarschmidt, Benedikt Gomez, Christian Buchbender, Johannes Grueneisen, Felix Nensa, Lino Morris Sawicki, Verena Ruhlmann, Axel Wetter, Gerald Antoch, Philipp Heusch
PURPOSE: We aimed to investigate the accuracy of 18F-fluorodeoxyglucose positron emission tomography/magnetic resonance imaging (18F-FDG PET/MRI) compared with contrast-enhanced 18F-FDG PET/computed tomography (PET/CT) for the characterization of incidental tracer uptake in examinations of the head and neck. METHODS: A retrospective analysis of 81 oncologic patients who underwent contrast-enhanced 18F-FDG PET/CT and subsequent PET/MRI was performed by two readers for incidental tracer uptake...
January 16, 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28079849/role-of-serial-f-18-fdg-pet-ct-scans-in-assessing-treatment-response-and-predicting-relapses-in-patients-with-symptomatic-sarcoidosis
#11
Venkata Nagarjuna Maturu, Sampanna Jung Rayamajhi, Ritesh Agarwal, Ashutosh Nath Aggarwal, Dheeraj Gupta, Bhagwant Rai Mittal
: ackground: Monitoring disease activity in sarcoidosis remains a clinical challenge as there is no gold standard. Positron emission tomography (PET) imaging is a novel tool to assess the metabolic activity. There is limited data on the role of serial PET scans in monitoring the disease activity. METHODS: This is a prospective study of 27 sarcoidosis patients treated with systemic corticosteroids. Patients underwent two serial PET/CT scans: one before initiating therapy and the follow up scan at end of therapy...
December 23, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
https://www.readbyqxmd.com/read/28079829/breath-hold-and-free-breathing-f-18-fdg-pet-ct-in-malignant-melanoma-detection-of-additional-tumoral-foci-and-effects-on-quantitative-parameters
#12
Robert Bärwolf, Mariana Zirnsak, Martin Freesmeyer
During PET/CT acquisition, respiratory motion generates artifacts in the form of breath-related blurring, which may impair lesion detectability and diagnostic accuracy. This observational study was undertaken to verify whether breath-hold F-18-FDG-PET/CT (bhPET) detects additional foci compared to free-breathing PET/CT (fbPET) in cases of malignant melanoma, and to assess the impact of breath-holding on standard uptake values (SUV) and metabolic isocontoured volume (mVic40).Thirty-four patients with melanoma were examined...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079823/pet-ct-for-differentiating-between-tuberculous-peritonitis-and-peritoneal-carcinomatosis-the-parietal-peritoneum
#13
Shao-Bo Wang, Yun-Hai Ji, Hu-Bing Wu, Quan-Shi Wang, Wen-Lan Zhou, Liang Lv, Tao Shou, Jing Hu
OBJECTIVES: Tuberculous peritonitis (TBP) mimics peritoneal carcinomatosis (PC). We aimed to investigate the discriminative use of PET/CT findings in the parietal peritoneum. MATERIALS AND METHODS: Parietal peritoneal PET/CT findings from 76 patients with TBP (n = 25) and PC (n = 51) were retrospectively reviewed. The lesion locations were noted as right subdiaphragmatic, left subdiaphragmatic, right paracolic gutters, left paracolic gutters, and pelvic regions...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28078966/visual-and-cross-modal-cues-increase-the-identification-of-overlapping-visual-stimuli-in-balint-s-syndrome
#14
Daniela D'Imperio, Michele Scandola, Valeria Gobbetto, Cristina Bulgarelli, Matteo Salgarello, Renato Avesani, Valentina Moro
INTRODUCTION: Cross-modal interactions improve the processing of external stimuli, particularly when an isolated sensory modality is impaired. When information from different modalities is integrated, object recognition is facilitated probably as a result of bottom-up and top-down processes. The aim of this study was to investigate the potential effects of cross-modal stimulation in a case of simultanagnosia. METHOD: We report a detailed analysis of clinical symptoms and an (18)F-fluorodeoxyglucose (FDG) brain positron emission tomography/computed tomography (PET/CT) study of a patient affected by Balint's syndrome, a rare and invasive visual-spatial disorder following bilateral parieto-occipital lesions...
January 12, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28077735/tuberculosis-mimicking-metastases-by-malignancy-in-fdg-pet-ct
#15
B Liu, L Dong, X Wang, T Han, Q Lin, M Liu
No abstract text is available yet for this article.
January 11, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28074770/-18f-fdg-pet-ct-contributes-to-diagnostics-and-therapy-monitoring-of-radiation-induced-angiosarcoma
#16
Francesca Cucchi, Jens Bülow, Lene Simonsen, Lotte Nedergaard, Christian Haarmark, Ali Asmar
Angiosarcomas are rare, aggressive malignant mesenchymal tumours with a poor prognosis. Radiation therapy is an independent risk factor for the development of secondary angiosarcoma. The onset of angiosarcoma may resemble benign lesions, leading to delayed diagnosis. It has been suggested that 18F-fluorodeoxyglucose (FDG) PET/CT scan may be useful in the early diagnosis in differentiating angiosarcoma from benign lesions and in therapy monitoring. We report the utility of 18F-FDG PET/CT scan in the diagnosis and follow-up of radiation-induced angiosarcoma in a patient previously treated for uterine cancer...
January 2, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28073639/association-between-volume-and-glucose-metabolism-of-abdominal-adipose-tissue-in-healthy-population
#17
Hyun Woo Kwon, Sang Mi Lee, Jeong Won Lee, Jung-Eun Oh, Se-Whan Lee, Shin Young Kim
OBJECTIVE: We investigated the association of adipose tissue volume and metabolic activity with cardiometabolic risk factors. METHODS: 232 healthy subjects (43.23±4.09y) having (18)F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) results were included. Clinical information, anthropometry and laboratory results were obtained. Volume and metabolic activity of subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) was obtained from FDG PET/CT...
January 7, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28072693/comparative-evaluation-of-target-volumes-defined-by-deformable-and-rigid-registration-of-diagnostic-pet-ct-to-planning-ct-in-primary-esophageal-cancer
#18
Yanluan Guo, Jianbin Li, Peng Zhang, Qian Shao, Min Xu, Yankang Li
BACKGROUND: To evaluate the geometrical differences of target volumes propagated by deformable image registration (DIR) and rigid image registration (RIR) to assist target volume delineation between diagnostic Positron emission tomography/computed tomography (PET/CT) and planning CT for primary esophageal cancer (EC). METHODS: Twenty-five patients with EC sequentially underwent a diagnostic F-fluorodeoxyglucose (F-FDG) PET/CT scan and planning CT simulation. Only 19 patients with maximum standardized uptake value (SUVmax) ≥ 2...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28072621/risk-stratification-of-pediatric-patients-with-neuroblastoma-using-volumetric-parameters-of-18f-fdg-and-18f-dopa-pet-ct
#19
Chia-Ju Liu, Meng-Yao Lu, Yen-Lin Liu, Chi-Lun Ko, Kuan-Yin Ko, Kai-Yuan Tzen, Hsiu-Hao Chang, Yung-Li Yang, Shiann-Tarng Jou, Wen-Ming Hsu, Ruoh-Fang Yen
PURPOSE: This study determined the prognostic value of volumetric parameters derived from pretreatment F-FDG and F-DOPA PET/CT of neuroblastoma and their correlation with clinical and histopathologic features. PATIENTS AND METHODS: A total of 25 children with neuroblastoma underwent pretreatment F-FDG and F-DOPA PET/CT within 4 weeks. The SUVmax of primary tumors on F-FDG and F-DOPA PET were recorded as SUVFDG and SUVDOPA, respectively. For volumetric parameters of primary tumors, 40% of SUVmax was used to generate volume of interest...
January 9, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28072618/18f-fdg-pet-ct-versus-contrast-enhanced-ct-for-staging-and-prognostic-prediction-in-patients-with-salivary-gland-carcinomas
#20
Marn Joon Park, Jungsu S Oh, Jong-Lyel Roh, Jae Seung Kim, Jeong Hyun Lee, Soon Yuhl Nam, Sang Yoon Kim
PURPOSE: Salivary gland carcinoma (SGC) is rare tumor with various histological type and metastatic potential. Pretreatment detection of metastases can contribute to planning the appropriate treatment of SGC. Therefore, the present study evaluated the utility of F-FDG PET/CT versus contrast-enhanced CT for detection of metastases and prediction of outcomes in SGC patients. METHODS: Sixty-seven consecutive SGC patients who were prospectively evaluated by F-FDG PET/CT and contrast-enhanced CT and subsequently underwent surgery with or without postoperative radiotherapy/chemoradiotherapy were included...
January 9, 2017: Clinical Nuclear Medicine
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