DWI combined with PWI Can detect the IP and its extent.
DWI与PWI相结合能判断脑梗死半暗带的存在与否及其范围。
Objective:1 To evaluate the value of MR PWI in preoperative grading of cerebral gliomas.
探讨MR PWI在术前评估脑胶质瘤组织病理学分级中的价值。
This paper combines PWI and PSOLA algorithm, and improves the result of tone modification.
本论文将PWI算法与PSOLA算法结合,对这一缺陷进行了改进。
PWI was a effective method in studying the changes of blood flow perfusion after intracerebral hemorrhage.
PWI是客观研究和评价脑出血后脑组织血流动力学变化的有效手段。
Objective To discuss the diagnostic value of MR perfusion imaging (PWI) in the supratentorial intracranial tumors.
目的探讨磁共振灌注成像(PWI)在幕上脑内肿瘤中的诊断价值。
Methods 30 patients with unilateral carotid artery stenosis ranging form 70% to 99% were selected to be scanned with PWI.
方法单侧颈内动脉狭窄程度为70%-99%患者30例,行动态磁敏感对比增强磁共振成像。
Objective To evaluate methods of MR perfusion weighted imaging (PWI) in brain neoplasms and its clinical application value.
目的初步评价磁共振脑肿瘤灌注成像(PWI)的成像方法及其临床应用价值。
Results DWI detected 19 lesions in 10 cats. PWI detected 23 abnormal perfusion areas in 13 cats. CTPI detected 20 lesions in 12 cats.
结果DWI发现10只猫脑实质出现19个异常信号,PWI发现13只猫脑实质内23个异常灌注区,CTPI发现12只猫脑实质内20个异常血流灌注区。
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。
Objective To investigate the value of MR perfusion-weighted imaging(PWI)in the evaluation of therapeutic effect of brain metastases with gamma knife.
目的本研究旨在初步评价脑肿瘤磁共振灌注成像(PWI)的成像方法及其临床应用价值。
Objective: To evaluate the clinical application of diffusion weight imaging (DWI) and perfusion weight imaging (PWI) in the super acute and acute ischemic stroke.
目的:探讨弥散加权成像(DWI)和灌注加权成像(PWI)在超急性和急性缺血性脑卒中的应用价值。
Objective To investigate the development regularity of rat C6 brain glioma and to initially study the feasibility of MR perfusion-weighted imaging (PWI) in the tumor.
目的研究大鼠C6脑胶质瘤的生长规律,初步探讨其MR灌注成像研究的可行性。
Objective To explore the value of diffusion weighed imaging (DWI) and perfusion weighted imaging (PWI) in the diagnosis of the ischemic penumbra (IP) of superacute infarction.
目的探讨磁共振扩散加权成像(DWI)和灌注加权成像(PWI)对早期脑梗死缺血半暗带(IP)的诊断价值。
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 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 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。
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