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。
Purpose:To evaluate the value of low magnetic-field intensity MR diffusion-weighted imaging(DWI) incerebral ischemia in early stage.
结论磁共振弥散成像是一种有价值的慢性乙型肝炎分级的诊断方法。
Conclusion: DWI is a valuable method for grading and staging of chronic viral hepatitis.
目的：探讨脑内海棉状血管瘤的MRI表现及磁共振弥散成像(DWI)的诊断价值。
Objective: To evaluate MRI features of cerebral cavernous angioma and discuss the value of diffusion weighted magnetic resonance imaging (DWI).
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 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。
Objective: To investigate the relationship of magnetic resonance diffusion weighted imaging to histology in the patient of chronic Type B hepatitis.
结果 210例短暂性脑缺血发作患者中，有119例患者的磁共振弥散成像检查显示脑缺血性异常表现，显示阳性率（56.7%，119/210）；
Results 210 patients with transient ischemic attack, there are 119 patients with MR diffusion imaging examination showed abnormal cerebral ischemia, indicating positive rate(56.7%, 119/210);
这种特殊形式的核磁共振成像技术被称为弥散张量成像，对这种技术的也用来提高诊断脑震荡的精确度。
The special M.R.I. technique, known as diffusion tensor imaging, is also being studied to help improve the diagnosis of concussions.
这种特殊形式的核磁共振成像技术被称为弥散张量成像，对这种技术的也用来提高诊断脑震荡的精确度。
The special M. R. I. technique, known as diffusion tensor imaging, is also being studied to help improve the diagnosis of concussions.
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。
Diffusion-weighted imaging is the most sensitive diagnostic method for acute ischemic stroke.
氦- 3弥散磁共振成像通过检测氦原子移动的距离测定肺脏损伤。
Helium-3 diffusion MRI identifies this damage by measuring the increased distance the helium atoms move.
摘要：目的通过与核素骨显像比较，探讨全身磁共振弥散加权成像(WB - DWI)探测骨转移瘤的可行性及临床价值。
ABSTRACT: Objective To evaluate the feasibility and clinical value of whole body diffusion weighted magnetic resonance imaging (WB-DWI) in detection of bone metastases.
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。
Magnetic resonance diffusion weighted imaging (MR DWI) has been paid close attention recently for its sharp sensitivity of cerebral ischemia.
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。
Objective To investigate the diagnostic value of diffusion weighted imaging ( DWI) in acute cerebral infarction.
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 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.
目的应用弥散-灌注磁共振成像技术对改良线栓法建立的超急性脑梗死再灌注模型进行实验研究。
Objective To assess the role of diffusion-perfusion MRI in evaluating the experimental model of hyperacute cerebral infarction reperfusion in rat.
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。
Use magnetic resonance imaging diffusion tensor data and three dimension tracing technique to trace brain white matter fiber tracks in this paper.
目的：应用弥散张量磁共振成像定量分析大脑胶质瘤的特点。
Objective: To quantify the characteristic of cerebral gliomas by using diffusion-tensor MR 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。
Whole body diffusion weighted imaging is a new technique of functional magnetic resonance imaging.
对各组大鼠的磁共振成像结果进行分析，比较各组表观弥散系数（ADC）。
The findings of MRI were analysed, and the apparent diffusion coefficient (ADC) values were compared among each group.
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 evaluate MR diffusion- weighted imaging (DWI) in the diagnosis of cerebral infarction.
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。
As new technologies of magnetic resonance imaging, diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) have been applied in clinical diagnosis.
目的评价磁共振弥散加权成像(DWI)表观弥散系数(adc)和ADC图对脑缺血的诊断价值。
Objective To evaluate the diagnostic value of (DWI) apparent diffusion coefficient (ADC) and ADC map in diagnosis of cerebral ischemia.
目的研究弥散张量磁共振成像(dti)在认识脑实质内肿瘤的生长方式和显微手术中的作用。
Objective To study the role of diffusion-tensor imaging (DTI) in realizing growing pattern and resection of intra-axial brain tumors.
灌注和弥散加权磁共振成像在脑梗死超早期有着潜在的应用价值。
Perfusion - and diffusion-weighted MRI has potential application values in hyperacute cerebral infarction.
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。
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.
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；
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.
大部分的核磁共振成像器都可以进行弥散张量成像，而且不会比常规扫描花费额外的时间和金钱。
It can be performed by most M. R. I. machines and does not take longer or cost more than a standard m.
目的探讨磁共振弥散加权成像对脑转移瘤的诊断价值。
ObjectiveTo explore the value of DWI in the diagnosis of brain metastatic tumors.
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。
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。
Functional magnetic resonance imaging (fMRI) includes diffusion-weighted imaging (DWI), perfusion-weighted imaging (PWI), and MR spectroscopic imaging (MRS) in hepatic le - sions.
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