| 磁共振表面弥散系数及灌注成像在脑梗死中脑组织缺血状态的诊断价值 |
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| 引用本文： | 许祖梅,李梅芳,陈国章,郭庆清,林鹏星. 磁共振表面弥散系数及灌注成像在脑梗死中脑组织缺血状态的诊断价值[J]. 福建医科大学学报, 2009, 43(3): 259-262 |
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| 作者姓名： | 许祖梅 李梅芳 陈国章 郭庆清 林鹏星 |
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| 作者单位： | 1. 福建医科大学莆田学院,附属医院,影像科,莆田351100
2. 福建医科大学莆田学院,附属医院,神经内科,莆田351100 |
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| 摘 要： | 目的探讨磁共振表面弥散系数（ADC）值、灌注成像（PWI）对腔隙性脑梗死和较大面积脑梗死的诊断价值。方法对40例不同时期脑梗死患者进行80人次MRI检查，采用常规MRI检查，T1WI、T2WI和T2FLAIR，以及DWI、PWI等，使用工作站Funtiontool专业图像后处理软件包进行图像分析。结果发现腔隙性脑梗死及较大面积脑梗死病灶的ADC值在不同时期发生类似变化，PWI在较大面积脑梗死诊断中具有明显优势，而在腔隙性脑梗死中未发现明显的缺血半暗带。结论对脑缺血病灶，ADC值和PWI均可量化缺血程度，各具优势，二者结合应用对于临床治疗及评估预后均具有重要作用。
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| 关 键 词： | 脑梗死 磁共振成像 弥散 脑缺血 急性病 灌注 局部 |
The Value of Apparent Diffusion Coefficient Mapping and Perfusion-Weighted Imaging for the Diagnosis of Ischemic Tissues in Cerebral Infarction |
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| XU Zumei,LI Meifang,CHEN Guozhang,GUO Qingqing,LIN Pengxing. The Value of Apparent Diffusion Coefficient Mapping and Perfusion-Weighted Imaging for the Diagnosis of Ischemic Tissues in Cerebral Infarction[J]. Journal of Fujian Medical University, 2009, 43(3): 259-262 |
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| Authors: | XU Zumei LI Meifang CHEN Guozhang GUO Qingqing LIN Pengxing |
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| Affiliation: | XU Zumei1,LI Meifang1,CHEN Guozhang2,GUO Qingqing1,LIN Pengxing2 1.Department of Medical Imaging,2.Department of Neurology,The Affiliated Hospital of Putian University,Fujian Medical University,Putian 351100,China |
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| Abstract: | Objective To study the value of apparent diffusion coefficient and perfusion weighted imaging in diagnoising lacunar infarction and cerebral infaction.Methods 80 work-ups of 40 patients in various stages of cerebral infaction were imaged with MRI,T1WI,T2WI,FLAIR,DWI and PWI.At the same time,workstation's Funtiontool professional image post-processing software package was adopted for image analysis.Results The ADC value of lesions of lacunar infarction and cerebral lesions of larger area underwent similar ch... |
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| Keywords: | brain infarction diffusion magnetic resonance imaging brain ischemia acute disease perfusion regional |
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