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。
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。
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。
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。
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 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 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 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。
应用推荐