Hepatology Digest : Could you please summarize the mechanism for diffusion weighted imaging?
《国际肝病》：您能简要的介绍一下弥散加权成像的机制吗？
Whole body diffusion weighted imaging is a new technique of functional magnetic resonance imaging.
磁共振全身弥散加权成像是一种新的磁共振功能成像技术。
Objective To observe the changes of diffusion weighted imaging (DWI) after diffuse axonal injury (DAI) in rats.
目的观察大鼠弥漫性轴索损伤（DAI）后弥散加权成像（DWI）的变化规律。
Objective To investigate the diagnostic value of diffusion weighted imaging ( DWI) in acute cerebral infarction.
目的探讨低场磁共振弥散加权成像（DWI）诊断急性脑梗死的价值。
Magnetic resonance diffusion weighted imaging (MR DWI) has been paid close attention recently for its sharp sensitivity of cerebral ischemia.
磁共振弥散加权成像对脑缺血的检测非常敏感，是近年关注的研究热点之一。
Objective: To investigate the relationship of magnetic resonance diffusion weighted imaging to histology in the patient of chronic Type B hepatitis.
目的探讨慢性乙型肝炎磁共振弥散成像与肝炎的病理程度之相关性，评价磁共振弥散成像在慢乙肝中的应用价值。
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 compare fluid attenuated inversion recovery (FLAIR) sequence and diffusion weighted imaging (DWI) sequence in evaluation of acute cerebral infarction.
目的：比较液体衰减反转恢复(FLAIR)序列和弥散加权成像(DWI)在急性脑梗塞中的应用。
Aim: To determine the time course of signal intensity changes and the apparent diffusion coefficient (ADC) abnormality on MR diffusion weighted imaging (DWI) after cerebral infarction.
目的：确定脑梗死磁共振弥散加权成像(DWI)信号改变和近似弥散系数(adc)的时间演变规律。
Objective: To find the relation between MR diffusion weighted imaging (MR-DWI) and severity of hepatic cirrhosis, and study the value of MR-DWI in evaluating the severity of hepatic cirrhosis.
目的：通过磁共振弥散加权成像(MR -DWI)与肝硬化程度的相关性研究，探讨其在评价肝硬化程度方面的价值。
Objective To compare the value of MR diffusion weighted imaging (DWI), perfusion weighted imaging (PWI), and CT perfusion imaging (CTPI) in evaluating a model of acute cerebral venous occlusion.
目的对比磁共振扩散加权成像（DWI）、灌注加权成像（PWI）和CT灌注成像（CTPI）评价急性脑静脉闭塞模型的价值。
Liver; Diffusion Weighted Imaging; Reproducibility.
肝脏；弥散加权成像；可重复性。
Objective To compare fluid-attenuated inversion-recovery (FLAIR) sequence and diffusion-weighted imaging (DWI) sequence in evaluation of acute cerebral infarction.
目的比较液体衰减翻转恢复（FL AIR）序列和弥散加权成像（DWI）序列在急性脑梗死中的应用。
Objective To locate transient cerebral ischemic attack (TIA) within MCA territory with MR diffusion-weighted imaging(DWI)and MR angiography(MRA), and to evaluate the role of fMRI in clinic practising.
目的利用弥散加权成像（DWI）、磁共振血管成像（MRA）对大脑中动脉（MCA）区域TIA进行解剖性定位，评价磁共振对临床实践的指导意义。
All had undergone a dedicated stroke workup including diffusion-weighted imaging (DWI) and a detailed assessment of clinical features and of vascular risk factors.
所有的患者均接受了专门的卒中检查，包括弥散加权成像(DWI)以及临床特点和血管危险因素的详细评估。
Conclusion Reasonably using MR scanning techniques will realize the diffusion-weighted imaging of cervical spinal cord and helpful to diagnose early cervical spinal cord lesion.
结论合理应用扫描技术，可实现颈髓弥散加权成像，对颈髓病变的早期诊断具有较高的临床应用价值。
Diffusion-weighted imaging is the most sensitive diagnostic method for acute ischemic stroke.
磁共振弥散加权成像是急性缺血性脑卒中最敏感的诊断方法。
Predicting Infarction Within the Diffusion-Weighted Imaging Lesion: Does the Mean Transit Time Have Added Value?
通过弥散加权成像预测梗死：平均通过时间有无增益价值？
Objective To evaluate diagnostic value of diffusion-weighted imaging (DWI) and perfusion-weighted imaging(PWI) in acute cerebral ischemia.
目的评价磁共振弥散加权成像（DWI）和灌注加权成像（PWI）在急性脑缺血中的诊断价值。
MR diffusion-weighted imaging(DWI) reflects the microscopic Brownian motion of water molecules. It is a new technology for disease research from the cellular and molecular level.
磁共振弥散加权成像（DWI）反映了水分子的微观弥散运动，是从细胞及分子水平来进行疾病研究的新技术；
Objective To evaluate MR diffusion- weighted imaging (DWI) in the diagnosis of cerebral infarction.
目的评价低场永磁型磁共振弥散加权成像（DWI）在脑梗塞诊断中的应用价值。
To study the types and rules of brain edema after acute closed traumatic brain injury (TBI) in cats, using diffusion-weighted imaging (DWI).
建立猫急性闭合性脑创伤性(TBI)模型，并应用弥散加权成像(DWI)探讨伤后脑水肿类型及演变规律。
Objective:To evaluate the value of diffusion-weighted imaging based on SENSE technology and apparent diffusion coefficient (ADC) in diagnosis of hepatic masses.
目的探讨SENSE基础上扩散加权成像在诊断肝占位性病变中的应用价值以及表面扩散系数（ADC）评估肝占位病变的价值。
The diagnosis of rectal cancer with diffusion-weighted imaging was summarized in the present paper.
本文就磁共振扩散加权成像在直肠癌诊断中的应用现状予以综述。
Purpose:To evaluate the value of low magnetic-field intensity MR diffusion-weighted imaging(DWI) incerebral ischemia in early stage.
目的：探讨低场强磁共振弥散成像对早期脑缺血的诊断价值。
Objective: To investigate the feasibility with diffusion-weighted imaging (DWI) and the apparent diffusion coefficient (ADC) value in detecting accuracy of the cancer extension.
目的：探讨利用磁共振弥散成像(DWI)和表观弥散系数(adc)测定对乳腺癌范围确定的可行性。
Objective To compare the efficacy of routine magnetic resonance imaging(MRI) to that of diffusion-weighted imaging(DWI) in the diagnosis of multiple sclerosis(MS).
目的比较常规磁共振（MRI）检查和弥散加权磁共振（DWI）检查技术对多发性硬化（MS）的诊断价值。
Objective To compare the efficacy of routine magnetic resonance imaging(MRI) to that of diffusion-weighted imaging(DWI) in the diagnosis of multiple sclerosis(MS).
目的比较常规磁共振（MRI）检查和弥散加权磁共振（DWI）检查技术对多发性硬化（MS）的诊断价值。
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