نتایج جستجو برای: liver mri
تعداد نتایج: 426882 فیلتر نتایج به سال:
Introduction DCE-MRI has been widely used at 1.5T in a variety of organs and tissues. The aim of this study was to assess the feasibility of DCE-MRI in the liver at 3T, taking into account the challenges of 3T systems, and performed in such a way as to allow a dual-input pharmacokinetic analysis, separating the perfusion contributions from the hepatic artery and portal vein. To our knowledge, t...
The purpose of this study was to evaluate the role of diffusion-weighted MR imaging (DW-MRI) in the assessment of treatment response of primary or secondary liver malignancies after stereotactic radiosurgery (SRS) using robotic radiosurgery. All patients who underwent SRS therapy for hepatic malignancies who had pre- and post-interventional MR examinations including DW-MRI at our hospital betwe...
The invasive measurement of the hepatic venous pressure gradient is still considered as reference method to assess severity portal hypertension. Even though previous studies have shown that liver stiffness measured by elastography could predict hypertension in patients with chronic disease, mechanisms behind remain today poorly understood. main reason not specific and also influenced concomitan...
BACKGROUND Iron overload in patients with thalassemia is a common feature which requires continuous chelation therapy and monitoring. Serum ferritin determination is widely accepted as a simple method for following iron load in patients with primary hemochromatosis; however, several reports on thalassemic patients emphasize that ferritinemia is not accurate and that other methods such as direct...
OBJECTIVE To explore spleen hemodynamic alteration in liver fibrosis with dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI), and to determine how to stage liver fibrosis with spleen DCE-MRI parameters. MATERIALS AND METHODS Sixteen piglets were prospectively used to model liver fibrosis staged by liver biopsy, and underwent spleen DCE-MRI on 0, 5th, 9th, 16th and 21st weekend aft...
BACKGROUND MRI and perfusion-CT (PCT) are both useful imaging techniques for detection and characterization of liver lesions. The aim of this study was to compare the diagnostic accuracy of imaging parameters derived from PCT and gadoxetic acid-enhanced MRI in patients with hepatocellular carcinoma (HCC). METHODS 36 patients with liver cirrhosis and a total of 67 lesions referred to our hospi...
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