نتایج جستجو برای: suv
تعداد نتایج: 1743 فیلتر نتایج به سال:
AIM To evaluate whether the histology and grading of solitary pulmonary nodules (SPNs) correlated with the results of dynamic multiphase multidetector CT (MDCT) and the [(18)F]fluorodeoxyglucose standardised uptake value (SUV) in 30 patients. METHODS Chest x-rays of 270 patients with incidentally detected SPNs were retrospectively evaluated. Thirty patients with histologically proven SPNs wer...
BACKGROUND The purpose of this study was to evaluate the prognostic value of maximal standard uptake values (SUVs(max)) from serial fluor-18-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) in patients with locally advanced nasopharyngeal carcinoma (NPC). MATERIALS AND METHODS From October 2002 to January 2004, 62 patients with locally advanced NPC who un...
The activation of cellular signal transduction pathways by solar ultraviolet (SUV) irradiation plays a vital role in skin tumorigenesis. Although many pathways have been studied using pure ultraviolet A (UVA) or ultraviolet B (UVB) irradiation, the signaling pathways induced by SUV (i.e., sunlight) are not understoodwell enough to permit improvements for prevention, prognosis, and treatment. He...
OBJECTIVE To determine whether [(18)F]FDG uptake on PET/CT imaging before surgical staging has prognostic significance in patients with epithelial ovarian cancer (EOC). METHODS Patients with EOC were imaged with integrated PET/CT before surgical staging. Hypermetabolic lesions were measured as the standardized uptake value (SUV) in primary and metastatic tumors. SUV distribution was divided i...
BACKGROUND This retrospective study aims to assess the usefulness of SUV(max) from FDG-PET imaging as a prognosticator for primary biopsy-proven stage I NSCLC treated with SBRT. METHODS This study includes 95 patients of median age 77 years, with primary, biopsy-confirmed peripheral stage IA/IB NSCLC. All patients were treated with 60 Gy in 3 fractions with a median treatment time of six days...
BACKGROUND The standard uptake value (SUV) approach in oncological positron emission tomography has known shortcomings, all of which affect the reliability of the SUV as a surrogate of the targeted quantity, the metabolic rate of [18F]fluorodeoxyglucose (FDG), Km. Among the shortcomings are time dependence, susceptibility to errors in scanner and dose calibration, insufficient correlation betwe...
OBJECTIVE The maximum standardized uptake value (SUVmax) of pulmonary mucoepidermoid carcinoma (PMEC) in fluorine-18fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) was evaluated as a preoperative predictor of pathologic grade and survival rate. MATERIALS AND METHODS Twenty-three patients who underwent preoperative PET/CT and complete resection for PMEC w...
UNLABELLED (90)Y radioembolization (selective internal radiation therapy [SIRT]) is a valuable therapeutic option for unresectable hepatic metastases arising from primary colorectal cancer. The present study evaluated the prognostic value of (18)F-FDG PET/CT metabolic parameters for predicting survival after SIRT. METHODS Eighty patients with hepatic metastases of colorectal cancer were treat...
PURPOSE In order to maximise the utility of [(11)C]-PBR28 for use in longitudinal studies and clinical trials in Alzheimer's disease (AD), there is a need to develop non-invasive metrics of tracer binding that do not require arterial cannulation. Recent work has suggested that standardised uptake value (SUV)-based methods may be sensitive to changes in translocator protein (TSPO) levels associa...
BACKGROUND The changes and correlations of TRAIL (TNF-related apoptosis-inducing-ligand) and CXCL8 (IL8) prior to treatment and three months following therapy as well as the corresponding Positron emission tomography (PET/CT) (SUV(max): standardized uptake maximum values) results were evaluated. MATERIAL AND METHODS The measurements were taken before and after treatment for comparison purpose...
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