نتایج جستجو برای: pet protocol

تعداد نتایج: 302524  

2016
Mai Hong Son Bui Quang Bieu Le Ngoc Ha

OBJECTIVES In clinical practice, approximately 10-25% of post-surgical differentiated thyroid carcinoma (DTC) patients with high serum thyroglobulin (Tg) and negative 131I whole-body scan (WBS) have poor prognosis due to recurrent or metastatic lesions after radioactive iodine treatment. The purpose of this study was to evaluate the value of 18F-FDG PET/CT scan in DTC patients with high serum T...

2017
Tanja Kero Jonny Nordström Hendrik J. Harms Jens Sörensen Håkan Ahlström Mark Lubberink

BACKGROUND The use of integrated PET-MR offers new opportunities for comprehensive assessment of cardiac morphology and function. However, little is known on the quantitative accuracy of cardiac PET imaging with integrated time-of-flight PET-MR. The aim of the present work was to validate the GE Signa PET-MR scanner for quantitative cardiac PET perfusion imaging. Eleven patients (nine male; mea...

Journal: :Environmental science. Nano 2021

This work aims to establish a production and characterization protocol for fluorescent plastic nanoparticles of poly(ethylene terephthalate) (PET), polypropylene (PP), polystyrene (PS) that can be tracked in biological environments.

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2011
R Matthew Brothers Matthew S Ganio Kimberly A Hubing Jeffrey L Hastings Craig G Crandall

End-tidal carbon dioxide tension (Pet(CO(2))) is reduced during an orthostatic challenge, during heat stress, and during a combination of these two conditions. The importance of these changes is dependent on Pet(CO(2)) being an accurate surrogate for arterial carbon dioxide tension (Pa(CO(2))), the latter being the physiologically relevant variable. This study tested the hypothesis that Pet(CO(...

Journal: :Bioinformatics 2011
Zhike Zi

UNLABELLED Parameter estimation is crucial for the modeling and dynamic analysis of biological systems. However, implementing parameter estimation is time consuming and computationally demanding. Here, we introduced a parallel parameter estimation tool for Systems Biology Markup Language (SBML)-based models (SBML-PET-MPI). SBML-PET-MPI allows the user to perform parameter estimation and paramet...

Journal: :European Journal of Nuclear Medicine and Molecular Imaging 2008

2014
Sotirios Chondrogiannis Maria Cristina Marzola Gaia Grassetto Anna Margherita Maffione Lucia Rampin Emma Veronese Arianna Massaro Domenico Rubello

PURPOSE (1) To evaluate a new acquisition protocol of (18)F-choline (FCH) PET/CT for prostate cancer patients (PC), (2) to review acquisition (18)F-choline PET/CT methodology, and (3) to propose a standardized acquisition protocol on FCH PET/CT in PC patients. MATERIALS 100 consecutive PC patients (mean age 70.5 years, mean PSA 21.35 ng/mL) were prospectively evaluated. New protocol consisted...

2015
Rui Yan Jianbo Song Zhifang Wu Min Guo Jianzhong Liu Jianguo Li Xinzhong Hao Sijin Li

OBJECTIVE To determine the efficacy of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) in the detection of radiation-induced myocardial damage in beagles by comparing two pre-scan preparation protocols as well as to determine the correlation between abnormal myocardial FDG uptake and pathological findings. MATERIALS AND METHODS The anterior myocardium ...

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