نتایج جستجو برای: 18 fdg petct
تعداد نتایج: 361403 فیلتر نتایج به سال:
BACKGROUND Many biological factors of 2-[(18) F]fluoro-2-deoxy-d-glucose ((18) F-FDG) in blood can affect (18) F-FDG uptake in tumors. In this study, longitudinal (18) F-FDG positron emission tomography (PET) studies were performed on tumor-bearing mice to investigate the effect of blood glucose level and tumor size on (18) F-FDG uptake in tumors. METHODS Six- to eight-week-old severe combine...
BACKGROUND AND PURPOSE (18)F-FDG PET is a widely used tool for molecular imaging of oncological, cardiovascular, and neurological disorders. We evaluated (18)F-FDG microPET as an implant osteomyelitis imaging tool using a Staphylococcus aureus-induced peroperative implant infection in rabbits. METHODS Intramedullary titanium nails were implanted in contaminated and uncontaminated (control) pr...
UNLABELLED The purpose of this study was to compare the diagnostic accuracy of glucose metabolism and amyloid deposition as demonstrated by (18)F-FDG and Pittsburg Compound B (PiB) PET to evaluate subjects with cognitive impairment. METHODS Subjects were selected from existing participants in the Mayo Alzheimer's Disease Research Center or Alzheimer's Disease Patient Registry programs. A tota...
BACKGROUND Pulmonary arterial hypertension (PAH) is a disease of progressive vascular remodeling, characterized by dysregulated growth of pulmonary vascular cells and inflammation. A prevailing view is that abnormal cellular metabolism, notably aerobic glycolysis that increases glucose demand, underlies the pathogenesis of PAH. Increased lung glucose uptake has been reported in animal models. F...
Primary cutaneous lymphomas (PCLs) include both cutaneous T-cell and B-cell lymphomas and comprise the second most common type of extra-nodal non-Hodgkin's lymphomas. The treatment and prognosis of PCLs typically depend on the extent of disease. In evaluating extent of disease in oncological processes, computed tomography (CT) provides a purely anatomical assessment of disease. In comparison, [...
Extensive efforts have recently been devoted to developing noninvasive imaging tools capable of delineating brain tissue viability (penumbra) during acute ischemic stroke. These efforts could have profound clinical implications for identifying patients who may benefit from tPA beyond the currently approved therapeutic time window and/or patients undergoing neuroendovascular treatments. To date,...
Accurate diagnosis and staging are essential for an optimal management of cancer patients. Positron emision tomography with 2-deoxy-2-fluorine-18-fluoro-D-glucose ((18)FDG-PET) and, more recently, (18)FDG-PET/computed tomography ((18)FDG-PET/CT) have emerged as powerful imaging tools in oncology, because of the valuable functional information they provide. The combined acquisition of PET and CT...
A 60 years old asymptomatic male underwent fluorine-18 fluorodeoxyglucose positron emission tomography ((18)F-FDG PET) for his medical check-up, and abnormal (18)F-FDG uptake was observed in the retroperitoneum. The maximum standardized uptake value (SUV (max)) was 5.2. Based on CT, MRI and (18)F-FDG PET findings, the differential diagnosis included specific or non-specific inflammatory ch...
Here we present a case of an untreated, asymptomatic, pulmonary hydatid cyst incidentally diagnosed on the basis of atypically low-grade (18)F-FDG uptake in the peripheral rim and a minimal increase in uptake on dual-point (18)F-FDG PET/CT. The patient underwent (18)F-FDG PET/CT for characterization of a solitary lung lesion found on chest radiography and inconclusive findings on contrast-enhan...
A 65-year-old woman with a history of breast cancer (stage T2N0M0 treated with left breast conservative therapy 7 years previously followed by hormone therapy) underwent fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography (F-18-FDG PET/CT) for restaging due to increased serum tumour markers levels (CA15-3, 37 U/ml and CEA, 8 ng/ml). The patient presented thoracic pai...
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