نتایج جستجو برای: fluoride uptake
تعداد نتایج: 150705 فیلتر نتایج به سال:
To evaluate the quality and diagnostic performance of F-Fluoride positron-emission tomography/magnetic resonance imaging (F-Fluoride PET/MR) compared to F-Fluoride positron-emission tomography/computed tomography (F-Fluoride PET/CT) imaging in patients with unclear foot pain. Methods: Twenty-two patients (9 men, 13 women; mean age 48±18 years, range: 20–78 years) were prospectively included in ...
BACKGROUND & OBJECTIVES Chronic fluoride intoxication through drinking water is a serious health problem. Patients with diabetes are known to have impaired renal function and elimination of fluoride from the body is mainly done through kidney. Fluoride toxicity in diabetes patients may aggravate complications. In this study, the influence of fluoride was assessed on streptozotocin (STZ) induced...
UNLABELLED The purpose of this study was to define a method to assess skeletal tumor burden with 18F-labeled sodium fluoride PET/CT (18F-fluoride PET/CT) and evaluate the reproducibility of these measurements. METHODS Ninety-eight consecutive patients (90 men; mean age±SD, 65.7±14.2 y) underwent 158 18F-fluoride PET/CT scans for evaluation of skeletal metastatic disease. In order to determine...
Dynamic bone scanning with (99m)Tc-labeled diphosphonates and (18)F-labeled sodium fluoride provides functional information sensitive for subtle changes in bone turnover and perfusion, which assists the clinical management of numerous osseous pathologies. This article reviews the mechanisms of uptake of (99m)Tc-labeled diphosphonates and (18)F-sodium fluoride and discusses and compares the perf...
UNLABELLED The purpose of this study was to evaluate outcome after (223)Ra dichloride therapy ((223)Ra) and to determine whether skeletal tumor burden on whole-body (18)F-fluoride PET/CT can be used as a predictive biomarker of survival in patients treated with (223)Ra. METHODS Forty-two patients with hormone-refractory prostate cancer underwent (223)Ra and a baseline fluoride PET/CT scan. Fl...
The efficacy of a new remineralization system was determined in vivo by maintaining a low concentration of approximately 1 ppm fluoride for 48 hrs against a demineralized human tooth. Human subjects were selected who wore removable partial dentures containing two or more of the demineralized teeth with film system. The findings indicate levels of fluoride uptake to 500 ppm at 50 micron depths i...
Demineralized sections of fluorinated bones and teeth have been studied by autoradiography following in vitro uptake of Ca(45) or S(35)O(4). The portions of tissue which do not become mineralized (cartilage, prebone, predentine, and precementum) show an increased Ca(45) uptake apparently related to an increase in chondroitin sulfate content in fluorosis. The tissues from the fluoride-fed animal...
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