What Is an MRI With Contrast? MRI With the advancements in medical imaging technology and a higher prevalence worldwide, you might have become more familiar with one type of imaging technology known as magnetic resonance imaging (MRI) ― and the value it offers to health care. You might be...
Contrast study on cognitive function with MRI and positron emission tomography imaging in transient global amnesia 目的 研究短暂性全面遗忘症 (transientglobalamnesia ,TGA)患者认知功能及脑代谢状况.方法 对 3例临床诊断为TGA的患者分别行简易心理测试 (MMSE),修订的韦氏记忆量表 ... 贾建军,王鲁宁,尹岭,......
Two readily observed effects in solutions with abundant protons, radiation damping and the distant dipolar field (DDF), combine to generate chaotic spin dynamics in routine MR experiments at high fields [1]. Radiation damping is a macroscopic feedback interaction between the magnetization and the RF...
Contrast changes observed in functional magnetic resonance imaging in the human spinal cord were investigated with both motor and sensory tasks over a range of echo times. Data were acquired using a single-shot fast spin-echo sequence at 1.5 Tesla. Data were analyzed with two different correlation...
Dynamic contrast-enhanced ultrasonography (DCE-US) with quantification of tumor perfusion: a new diagnostic tool to evaluate the early effects of antiangio... Dynamic contrast-enhanced ultrasonography (DCE-US) using the contrast agent Sonovue and vascular recognition imaging software is a novel ...
Brain vasculature is conventionally represented as straight cylinders when simulating blood oxygenation level dependent (BOLD) contrast effects in functional magnetic resonance imaging (fMRI). In reality, the vasculature is more complicated with branchin
[9]FDA Drug Safety Communication.New warnings for using gadolin- ium-based contrast agents in patients with kidney dysfunction. https://www.fda.gov/drugs/drug-safety-and-availability/fda-drug-safety-communication-new-warnings-using-gadolinium-based-contrast-agents-patients-kidney. Accessed January 7,...
Synthesis and evaluation of nanoglobular macrocyclic Mn(II) chelate conjugates as non-gadolinium(III) MRI contrast agents. Because of the recent observation of the toxic side effects of Gd(III) based MRI contrast agents in patients with , there is strong interest on developing ... M Tan,Z Ye...
based on dynamic contrast-enhanced MRI combined with clinical parameters[J]. J Cancer Res Clin Oncol, 2021, 147(12): 3757-3767. DOI: 10.1007/s00432-021-03617-3. [43] Zhang S, Xu G, Duan C, et al. Radiomics ...
Two-dimensional true fast imaging with steady-state free precession data sets were acquired at 5-minute intervals after contrast ingestion. Distention values for small-bowel segments (duodenum, proximal and distal jejunum, ileum) and occurrence of side effects were documented. RESULTS: Analysis of ...