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。
Objective To evaluate the application of diffusion-weighted MR imaging in hepatic echinococcosis.
目的探讨扩散加权成像在肝包虫病中的应用价值。
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。
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。
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 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。
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 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。
Objective To investigate the manifestations and mechanism of acute intracerebral hemorrhage on diffusion-weighted MR imaging(DWI).
目的探讨急性脑实质内出血的磁共振扩散加权成像（DWI）表现及其发生机制。
We hypothesized that the extent of edema has prognostic implications and that diffusion-weighted MR imaging (DWI) can help predict the progression to infarction.
本文将探讨水肿范围的预后意义，并通过MR弥散成像(DWI)来预测梗死的形成。
Functional magnetic resonance imaging (fMRI) includes diffusion-weighted imaging (DWI), perfusion-weighted imaging (PWI), and MR spectroscopic imaging (MRS) in hepatic le - sions.
磁共振功能成像在肝脏应用主要包括弥散成像、灌注成像、波谱显像三方面。
Objective To study the features of MR diffusion-weighted imaging (DWI) in the hyperacute cerebral infarction.
目的研究超急性脑梗死的磁共振的弥散加权像(DWI)征象。
Objective To investigate the relationship between diffusion-weighted MR imaging features and prognosis in patients with severe hypoglycemia.
目的探讨低血糖脑病dWI成像和预后的关系。方法回顾性分析4例严重低血糖患者的临床和磁共振资料。
Conclusion Diffusion-weighted MR imaging is valuable for the diagnosis and differentiation of mediastinal tumors and it is a useful supplement for conventional MRI.
结论mr弥散加权成像对纵隔肿瘤的诊断及鉴别诊断有一定价值，可作为纵隔MRI检查的有益补充。
Conclusion Diffusion-weighted MR imaging is valuable for the diagnosis and differentiation of mediastinal tumors and it is a useful supplement for conventional MRI.
结论mr弥散加权成像对纵隔肿瘤的诊断及鉴别诊断有一定价值，可作为纵隔MRI检查的有益补充。
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