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Diffusion tensor imaglng 扩散张量成像
In recent years, diffusion tensor imaging (DTI) has emerged as a powerful method for investigating white matter architecture in health and disease. 近几年来，扩散张量影像逐渐成为一个研究健康与疾病状态下白质结构的利器。
Objective To test and verify the disconnection theory in conduction aphasia with diffusion tensor imaging. 目的通过扩散张量成像分析,验证传导性失语复述障碍的联系中断学说。
Some new progresses have achieved in the clinical application of diffusion tensor imaging technique in this field. 近年来,弥散张量成像技术在这一领域的临床应用取得了一些新的进展。
Purpose To evaluate the diffusion tensor MRI in the demonstration of white matter tracts of the brainstem. 目的使用磁共振扩散张量成像方法对脑干白质束进行研究。
Objective To evaluate the diagnostic value of 3.0T MR diffusion tensor imaging (DTI) in distinguish the acute lacunar infarction from leukoaraiosis (LA). 目的评价3.;0T磁共振扩散张量成像(DTI)对鉴别老年人脑白质疏松症(LA)中急性腔隙性脑梗死的诊断应用价值。
Objective To discuss the feasibility and value of diffusion tensor imaging (DTI) to reveal optic nerve and visual pathway. 目的探讨应用DTI技术对视神经纤维束和视路成像的可能性和应用价值。
Objective: To explore the clinical role of diffusion tensor imaging (DTI) and diffusion tensor tractography (DTT) in meningiomas. 摘要目的：探讨磁共振扩散张量成像(DTI)及扩散张量纤维束成像(DTT)在脑膜瘤中的应用价值。
In this study, we applied diffusion tensor imaging and normalization-based population analyses to 44 preteen children and 30 adult images. 我们发现在出生后的开始5年，上纵束相关纤维束的区域定向发生明显改变。
Use magnetic resonance imaging diffusion tensor data and three dimension tracing technique to trace brain white matter fiber tracks in this paper. 目的:使用磁共振弥散张量成像和示踪技术进行三维脑白质纤维束示踪成像。
With the development of high tesla MRI scanners，Diffusion Tensor MRI（DTI） has become an important clinic MRI examination modality. 摘要随着高场磁共振的发展和应用，扩散张量磁共振成像（DTI）已经逐步成为一种重要的临床磁共振检查模式。
Objective To compare pediatric patients with periventricular leukomalacia (PVL) with normal children by using diffusion tensor MR imaging. 目的应用MR扩散张量成像对脑室周围白质软化症(PVL)患儿和正常婴幼儿进行比较。
Methods Thirty healthy volunteers underwent MR examination,which included conventional T1WI,T2WI and diffusion tensor imaging. 方法30名健康志愿者进行MR检查,检查包括常规T1WI,T2WI以及扩散张量序列。
To visualize the relationship among brain tumors activating Ml and corticospinal tract (CST) by combination of BOLD-fMRI and diffusion tensor imaging (DTI). 将BOLD-fMRI和弥散张量成像(diffusion tensor imaging,DTI)融合技术初步应用于脑瘤的研究,观察脑瘤、皮质脊髓束、M1区之间的关系。
Sorne advantages in the field were described in detail including the basie principle,method and application of diffusion tensor MR imaging and its future and prospect. 本文重点介绍了人脑水分子扩散的各向异性、磁共振扩散张量成像的基本原理、方法以及磁共振扩散张量成像的应用前景和展望。
Objective To investigate the pathogenesis of the abnormal diffusion in the white matter tracts in patients with neuromyelitis optics (NMO) using diffusion tensor imaging (DTI). 摘要目的利用扩散张量成像(DTI)研究视神经脊髓炎(NMO)患者脑白质纤维束扩散异常的发生机制。
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。
Purpose:To study the normal changes of cerebral white matter among infants by analyzing the anisotropy of different regions in different ages with diffusion tensor imaging(DTI). 目的:应用弥散张量成像分析不同年龄段婴幼儿的不同部位脑白质的各向异性。材料和方法:将26例正常婴幼儿(年龄4d至24个月)分为4组:第一组7例,小于6个月;
Upon the basis of the theory in article I, we have derived an explicit expression of resonant diffusion tensor in terms of the steady-state turbulent spectrum Sk0(0) and compared our result with that given by Birmingham et al. 本文在文献[1]的理论基础上,导出了用稳态湍流谱S_k~0(0)表出的共振扩散张量的具体表式,与Birmingham等人的结果做了比较。
The article is to introduce the principle of diffusion tensor magnetic resonance imaging(DT-MRI), explain how quantitative parameters can be derived and discuss how it affect image quality. 摘要弥散张量成像是磁共振成像的一项技术。本文主要介绍弥散张量成像的原理、量化参数及其影响因素。