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- Functional magnetic resonance imaging (fMRI) have been widely used to lbrain check,especially diffusion weighted imaging(DWI)and diffusion perfusion weighted imaging(PWI). 功能磁共振成像已比较广泛地用于颅脑检查,尤以磁共振弥散加权像(DWI)和灌注加权像(PWI)应用较多。
- Application of functional magnetic resonance diffusion weighted imaging(DWI) and perfusion weighted imaging(PWI) MRI can diagnose early acute cerebral infarction. 功能MR弥散加权成像(DWI)和血流灌注成像(PWI)磁共振技术的应用可诊断早期脑梗死,结合DWI和PWI可以确定缺血半暗带和血流灌注情况;
- Diffusion perfusion weighted imaging (PWI) can provide more useful information in superacute stage,of which the changes in perfusion imaging is earlier than that of DW1. PWI能在超急性阶段提供非常有用的信息,在超早期脑缺血性卒中灌注图像改变要先于DWI图像改变。
- Keywords central neurocytoma;MRI;perfusion weighted imaging; 中枢神经细胞瘤;磁共振成像;灌注成像;
- Correlative Study of MR Perfusion Weighted Imaging with Histopathologic Grade in Gliomas 脑胶质瘤磁共振灌注成像与病理对照研究
- The Clinical and Experimental Study of MR Perfusion Weighted Imaging in Cerebral Gliomas 磁共振灌注成像在脑胶质瘤的临床应用及动物实验研究
- Keywords SPIO;MRI;Hyperacute cerebral infarction;Diffusion weighted imaging;Perfusion weighted imaging; 关键词SPIO;磁共振成像;超急性脑梗死;弥散加权成像;灌注加权成像;
- An experimental study of ischemic penumbra of early cerebral infarction in rabbits by using diffusion and perfusion weighted imaging 早期脑梗死缺血半暗带磁共振扩散和灌注加权成像的实验研究
- Keywords Magnetic resonance imaging,Perfusion weighted imaging,Glioma,Grading,Relative cerebral blood volume,Vascular endothelial growth factor,Microvessel density,Angiogenesis; 磁共振成像;灌注成像;胶质瘤;分级;相对性脑血流容积;血管内皮生长因子;微血管密度;血管生成;
- Perfusion weighted imaging 灌注加权成像
- perfusion weighted image 灌注成像
- Comparing the characteristics of X-ray, emission computerized tomography and perfusion weighted MR found the advantages of perfusion weighted MR. 3 对比磁共振灌注成像、X-线、放射性核素骨显像监测组织工程骨血管化的特点，探讨磁共振灌注成像方法的优缺点；
- T-1 and T-2 weighted imaging(WI) were performed on both ax ialand sagital planes. MRI检查采用GE 0.;5T超导成像系统，行横断面和矢状面T1、T2加权成像。
- Transaxial T1,T2 weighted imaging and coronal T1 weighted imaging performed routinely on DISONICS 0.35 tesla superconducted imaging system. MRI成像采用DISONICS0.;35T超导成像系统，行横断面T1、T2加权及冠状面T1加权成像。
- Pea tipically appears low signal intensity in peripheral zone at T2 weighted imaging(T2WI),while the signal intensity of BPH varies according to histopathologic characters. MRI平扫表明Pca主要表现为T2加权像(T2WI)外周腺区出现低-等信号灶，BPH的信号改变则根据其增生组织的病理特征而不同。
- Objective To compare MR-diffusion weighted imaging(MR-DWI) with 99mTc-MDP whole-body bone scan in terms of efficiency and feasibility of MR-DWI in detection of bone metastasis. 目的通过对全身MR弥散加权(全身MR-DWI)和核素骨显像两种技术进行分析对比,评估全身MR-DWI在检测骨转移灶中的作用及其可行性。
- As new technologies of magnetic resonance imaging, diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) have been applied in clinical diagnosis. 磁共振扩散加权与弥散张量成像作为磁共振成像新技术已经应用于临床。
- The T 2 weight imaging(T 2WI) signal intensity of chordoma was significantly higher than those of NPC and PA (P<0.01). 颅底脊索瘤T2 加权 (T2 weightimaging;T2 WI)信号强度明显高于侵犯颅底的鼻咽癌和垂体瘤 (P <0 0 1)。
- The following tables are a general guide to how tissue appears on T1- or T2- weighted images. 以下是一个各种组织分别在T1及T2加权像上如何显现的简要介绍。
- The Studies were performed with SE T_1 weighted image(T_1WI) ahd RARE T_2 weighted image (T_2WI)sequence. SE序列为T_1加权成像(T_1wI); RARE序列为T2加权成像(T_2wI)。
