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https://www.readbyqxmd.com/read/29138707/jejunojejunal-intussusception-due-to-metastatic-melanoma-seven-years-after-the-primer
#1
Alexander Giakoustidis, Thomas Goulopoulos, Anastasios Boutis, George Kavvadias, Aristidis Kainantidis, Thomas Zaraboukas, Dimitrios Giakoustidis
Intestinal intussusception in adults is a rare medical condition accounting for less than 5% of all intussusceptions. Herein we present a 45-year-old patient with a history of abdominal pain and loss of weight. CT scan revealed jejunojejunal intussusceptions. The patient was subjected to exploratory operation and small intestine resection due to a mass causing intestinal intussusception. Pathology confirmed suspected diagnosis of metastatic melanoma to small intestine secondary to melanoma, 7 years after the initial manifestation...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/29115451/presence-of-the-minor-allele-of-microrna205-rs3842530-polymorphism-increases-18fdg-uptake-in-patients-with-breast-cancer-via-targeting-vegf
#2
Shiying Qu, Tie Wang, Jingwei Huang
MicroRNAs (miRNAs) are regarded as key regulators of gene expression involved in the pathogenesis of various diseases. Numerous single nucleotide polymorphisms (SNPs) in miRNA genes have been found to be associated with human diseases by affecting the processing process of miRNAs. In the present study, patients with breast cancer underwent a PET scan, and the maximum standard uptake value (SUVmax)/partial volume‑corrected standard uptake value (SUVpvc) were determined in each individual. The samples were collected and genotyped for rs3842530...
October 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29077855/increased-brain-glucose-uptake-following-12-weeks-of-aerobic-high-intensity-interval-training-in-young-and-older-adults
#3
Matthew M Robinson, Val J Lowe, K Sreekumaran Nair
Context: Aerobic exercise training can increase brain volume and blood flow, but the impact on brain metabolism is less known. Objective: We determined whether high-intensity interval training (HIIT) increases brain metabolism by measuring brain glucose uptake in younger and older adults. Design: Brain glucose uptake was measured before and after HIIT or sedentary (SED) control period within a larger exercise study. Setting: Study procedures performed at Mayo Clinic (Rochester MN)...
October 25, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29046888/imaging-sex-differences-in-regional-brain-metabolism-during-acute-opioid-withdrawal
#4
Giovanni C Santoro, Joseph Carrion, Stephen L Dewey
The rate of opioid overdose continues to rise, necessitating improved treatment options. Current therapeutic approaches rely on administration of either a blocking agent, such as naloxone, or chronic treatment with replacement drugs, including methadone and/or buprenorphine. Recent findings suggest that males and females respond to these treatments uniquely. In an effort to better understand this sex-specific variation in treatment efficacy, we investigated the effects of acute opioid withdrawal in male and female rats using 18FDG and microPET...
April 2017: Journal of Alcoholism and Drug Dependence
https://www.readbyqxmd.com/read/29017830/suvmax-after-18-fluoro-deoxyglucose-positron-emission-tomography-computed-tomography-a-tool-to-define-treatment-strategies-in-pancreatic-cancer
#5
Ilaria Pergolini, Stefano Crippa, Matteo Salgarello, Giulio Belfiori, Stefano Partelli, Giacomo Ruffo, Alessandro Pucci, Giuseppe Zamboni, Massimo Falconi
BACKGROUND: (18)fluoro-deoxyglucose positron emission tomography/computed tomography (18FDG-PET/CT) might be a useful tool in the management of pancreatic ductal adenocarcinoma (PDAC). AIMS: The aim of this study was to analyze maximum standard uptake value (SUVmax) after 18FDG-PET/CT as predictor of survival outcomes and method to determine treatment strategies. METHODS: A consecutive series of patients who underwent preoperative 18FDG-PET/CT and subsequent resection for PDAC were retrospectively reviewed...
September 22, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28959457/hemangioma-of-the-rib-showing-a-relatively-high-18f-fdg-uptake-a-case-report-with-a-literature-review
#6
Takahide Itabashi, Makoto Emori, Yoshinori Terashima, Tadashi Hasegawa, Junya Shimizu, Satoshi Nagoya, Toshihiko Yamashita
Hemangioma of the rib is a rare benign tumor that is often difficult to distinguish from malignant bone tumors. Rib hemangioma often shows bony disruption with a slight cortical disruption, extraosseous lesion, and expanded bone on computed tomography (CT). We report the case of a 68-year-old man with atypical rib hemangioma with a slight cortical disruption and no expanded bone. The tumor showed relatively high 18FDG-uptake on positron emission tomography (PET)/CT. Rib hemangioma often shows higher 18FDG-uptake...
September 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28951388/retinal-microperimetry-a-new-tool-for-identifying-type-2-diabetic-patients-at-risk-of-developing-alzheimer%C3%A2-s-disease
#7
Andreea Ciudin, Olga Simó-Servat, Cristina Hernández, Gabriel Arcos, Susana Diego, Ángela Sanabria, Óscar Sotolongo, Isabel Hernández, Mercè Boada, Rafael Simó
Type 2 diabetes is associated with a high risk of cognitive impairment and dementia. Therefore, strategies aimed at identifying those patients at risk of dementia are needed. Given that the retina is a brain-derived tissue it may provide a non-invasive way of examining brain pathology. The aims of the study were to evaluate whether retinal sensitivity: 1) Correlates with the specific parameters of brain imaging related to cognitive impairment; 2) Discriminates diabetic patients with mild cognitive impairment (MCI) from those with normal cognition and Alzheimer's disease (AD)...
September 26, 2017: Diabetes
https://www.readbyqxmd.com/read/28930979/analysis-of-18fdg-pet-ct-imaging-as-a-tool-for-studying-mycobacterium-tuberculosis-infection-and-treatment-in-non-human-primates
#8
Alexander G White, Pauline Maiello, M Teresa Coleman, Jaime A Tomko, L James Frye, Charles A Scanga, Philana Ling Lin, JoAnne L Flynn
Mycobacterium tuberculosis remains the number one infectious agent in the world today. With the emergence of antibiotic resistant strains, new clinically relevant methods are needed that evaluate the disease process and screen for potential antibiotic and vaccine treatments. Positron Emission Tomography/Computed Tomography (PET/CT) has been established as a valuable tool for studying a number of afflictions such as cancer, Alzheimer's disease, and inflammation/infection. Outlined here are a number of strategies that have been employed to evaluate PET/CT images in cynomolgus macaques that are infected intrabronchially with low doses of M...
September 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28830293/the-narlal2-dose-escalation-trial-dosimetric-implications-of-inter-fractional-changes-in-organs-at-risk
#9
Lone Hoffmann, Marianne Marquard Knap, Azza Ahmed Khalil, Christina Maria Lutz, Ditte Sloth Møller
BACKGROUND: Phase II trials suggested that survival rates for locally advanced lung cancer could be increased by radiotherapy dose escalation. However, results of the phase III RTOG 0617 trial illustrated an imminent risk of treatment-related death. This could be thwarted with strict constraints to organs at risk (OARs) and control of the delivered dose. This study investigates the impact of anatomical changes during radiotherapy on escalated dose distributions used in the Danish NARLAL2 dose escalation trial...
August 23, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28803235/18f-fdg-uptake-in-well-differentiated-neuroendocrine-tumors-correlates-with-both-ki-67-and-vhl-pathway-inactivation
#10
Margot Bucau, Astrid Laurent-Bellue, Nicolas Poté, Olivia Hentic, Jérôme Cros, Nidaa Mikail, Vinciane Rebours, Philippe Ruszniewski, Rachida Lebtahi, Anne Couvelard
<br>Introduction: 18FDG PET-scanner positivity correlates with poor prognosis in neuroendocrine neoplasms (NEN). Glucose transporter 1 (GLUT1) and carbonic anhydrase 9 (CA9) are markers of agressivity in tumors. Together with pVHL, they are involved in tumor cell metabolism via the hypoxia-inducible factor (HIF) signaling pathway. The aim of this study was to compare, in a series of well-differentiated neuroendocrine tumors (NET), the 18-FDG uptake and expression of proliferation marker Ki-67, GLUT-1, CA9 and pVHL...
August 11, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28624803/prognostic-significance-of-pd-l1-expression-and-18f-fdg-pet-ct-in-surgical-pulmonary-squamous-cell-carcinoma
#11
Minghui Zhang, Dalong Wang, Qi Sun, Haihong Pu, Yan Wang, Shu Zhao, Yan Wang, Qiangyuan Zhang
Programmed cell death-ligand 1 (PD-L1) expression is commonly observed in non-small cell lung cancer (NSCLC). The prognostic value of PD-L1 expression and the maximum standardized uptake value (SUVmax) on 18F-Fluorodeoxyglucose positron emission tomography (18FDG-PET) in surgical pulmonary squamous cell carcinoma(SCC)remains unclear. Furthermore, the correlation between the SUVmax and PD-L1 expression has not been assessed. Thus, the purpose of this study was to investigate the correlation between PD-L1 expression and the SUVmax on 18FDG-PET and to examine the prognostic significance of PD-L1 expression and the SUVmax in surgical pulmonary SCC...
May 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28609832/pembrolizumab-induced-thyroiditis-comprehensive-clinical-review-and-insights-into-underlying-involved-mechanisms
#12
Danae A Delivanis, Michael P Gustafson, Svetlana Bornschlegl, Michele M Merten, Lisa Kottschade, Sarah Withers, Allan B Dietz, Mabel Ryder
Context: Thyroid immune-related adverse events (irAEs) in patients treated with programmed death receptor-1 (PD-1) blockade are increasingly recognized as one of the most common adverse effects. Our aim was to determine the incidence and examine the potential mechanisms of anti-PD-1-induced thyroid irAEs. Design: Single-center, retrospective cohort study. Patients and Measurements: We studied 93 patients with advanced cancer (ages 24 to 82 years; 60% males) who received at least one infusion of pembrolizumab...
August 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28562539/false-positive-18fdg-pet-ct-results-due-to-exogenous-lipoid-pneumonia-secondary-to-oily-drug-inhalation-a-case-report
#13
David Chardin, Guillaume Nivaggioni, Philippe Viau, Caherine Butori, Bernard Padovani, Caroline Grangeaon, Micheline Razzouk-Cadet
RATIONALE: Exogenous lipoid pneumonia is a rare condition due to abnormal presence of oily substances in the lungs. It is a rarely known cause for false positive FDG PET-CT results and can sometimes lead to invasive investigations. Searching and finding the source of the oily substance is one of the keys to the diagnosis. Inhalation of oily drugs during snorting has rarely been described. PATIENT CONCERNS: A patient with well controlled HIV infection was referred for an FDG PET-CT to assess extension of Kaposi's disease, recently removed from his right foot...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28551486/qualitative-agreement-and-diagnostic-performance-of-arterial-spin-labelling-mri-and-fdg-pet-ct-in-suspected-early-stage-dementia-comparison-of-arterial-spin-labelling-mri-and-fdg-pet-ct-in-suspected-dementia
#14
Kathleen Weyts, Meike Vernooij, Rebecca Steketee, Roelf Valkema, Marion Smits
18FDG PET-CT is useful for early and differential diagnosis of dementia. ASL-MRI seems an attractive alternative. Visual agreement was calculated in 21 brain regions bilaterally in 9/11 patients with suspected early-stage dementia, excluding 2 patients due to ASL-MRI motion artefacts. Overall gross agreement was almost perfect and identical between and within modalities (κ=0.85-0.86, p<0.05). Intermodality regional agreement was variable, moderate (κ=0,56 in posterior cingulate) to perfect (including in precuneus), not different from intramodality agreement...
May 19, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28533639/metastatic-brachial-plexopathy-with-brain-and-spinal-metastasis-in-a-case-of-recurrent-breast-carcinoma-demonstrated-on-18-f-fdg-pet-ct
#15
Sunny J Gandhi, Bhavdeep Rabadiya
We report a case of a 56-year-old woman diagnosed with infiltrating ductal carcinoma of the left breast, who had undergone left modified radical mastectomy followed by radiotherapy and adjuvant chemotherapy. FDG PET-CT showed metastatic brachial plexopathy with intra-spinal and extra-axial brain metastasis. Metastatic brachial plexopathy along with brain and spinal metastasis is a rare condition with very less incidence. The scan also showed left para-sternal anterior chest wall recurrence with antero-superior mediastinal metastasis...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28467339/the-primitive-extratesticular-seminoma-diagnosis-of-a-rare-pathology
#16
Luca Saba
 Background: The Primitive Extratesticular Seminoma is a very rare condition and represents 3% of germ cell tumors; it is an indeterminate origin disease, whose diagnosis is often complicated by a nonspecific and highly variable clinical finding. CASE PRESENTATION: A caucasian 55 years old male, non-smoker, arrived to our centre with cough, severe respiratory distress and dysphagia, in a context of the superior vena cava syndrome. A Computed Tomography was performed, which shows the presence of a mediastinal anterior mass with aorto-pulmonary window and left paracardiac invasion...
April 28, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28448388/consideration-of-kras-mutational-status-may-enhance-the-prognostic-impact-of-indeterminate-extrahepatic-disease-in-the-lungs-as-identified-by-18fdg-pet-scan-in-patients-with-colorectal-liver-metastases
#17
Georgios A Margonis, Nikolaos Andreatos, Timothy M Pawlik, Matthew J Weiss
No abstract text is available yet for this article.
April 26, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28427757/involved-field-irradiation-concurrently-combined-with-nedaplatin-5-fluorouracil-for-inoperable-esophageal-cancer-on-basis-of-18fdg-pet-scans-a-long-follow-up-results-of-phase-ii-study
#18
Hideomi Yamashita, Osamu Abe, Keiichi Nakagawa
No abstract text is available yet for this article.
April 17, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28426481/response-to-consideration-of-kras-mutation-status-may-enhance-the-prognostic-impact-of-indeterminate-extrahepatic-disease-in-the-lungs-as-identified-by-18fdg-pet-in-patients-with-colorectal-liver-metastases
#19
Geoffrey Yuet Mun Wong, Rajiv Kumar, Carol Beeke, Shahid Ullah, John Chen, Christos S Karapetis, Timothy J Price, Rob Padbury
No abstract text is available yet for this article.
April 19, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28415747/comparison-of-gadolinium-enhanced-mri-and-18fdg-pet-pet-ct-for-the-diagnosis-of-brain-metastases-in-lung-cancer-patients-a-meta-analysis-of-5-prospective-studies
#20
Ye Li, Guanqiao Jin, Danke Su
OBJECTIVE: We undertook this meta-analysis to compare the significance of Gadolinium-enhanced MRI and 18FDG PET/PET-CT for diagnosing brain metastases of lung cancer patients. RESULTS: Five articles comprising 941 patients were included for analysis. The sensitivities with 95% confidence interval for PET/PET-CT and MRI were 0.21 (0.13 - 0.32) and 0.77 (95% CI = 0.60 - 0.89), specificities were 1.00 (0.99 - 1.00) and 0.99 (0.97 - 1.00), and the areas under curve were 0...
May 30, 2017: Oncotarget
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