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DWI对脑转移瘤及胶质瘤的应用价值 被引量：2

The Value of DWI in Brain Metastatic Tumors and Gliomas
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摘要 目的:探讨弥散加权成像(DWI)对脑转移瘤与胶质瘤鉴别诊断的应用价值。方法:对常规MR扫描检出的42例颅内占位病人行DWI扫描,对病人术后病理随访后,将高级胶质瘤、低级胶质瘤及脑转移瘤各分成一组,并测定肿瘤区、水肿区、对侧正常脑组织的表现弥散系数(ADC)值及相对ADC(rADC)值。结果:低级胶质瘤与转移瘤的瘤灶rADC值比较存在差异;高级别胶质瘤与转移瘤瘤周水肿的rADC值相比较存在差异、结论:DWI及瘤灶、瘤周rADC值的定量测定对脑转移瘤与胶质瘤的鉴别诊断具有一定的临床应用价值。 Objective： To evaluate the value of diffusion weighted imaging （DWI） in the differential diagnosis of brain metastatic tumors and gliomas. Methods： Fourty-two patients with intracranial tumor were studied with convention MR imaging and DWI, On the basis of the pathological report, the patients were divided into three groups （high-grade gliomas, low-grade gliomas, brain metastatic minors）. The apparent diffusion coefficient （ADC） and relative ADC （rADC） of tumors, edema and contralateral normal brain were measured. Results： rADC of tumors were significantly different among low-grade glioma and metastatic tumors, rADC of edema were significantly different among high-grade glioma and metastatic tumors. Conclusion： DWI and the rADC of tumors and edema are valuable to differential diagnosis of brain metastatic tumors and gliomas in clinical application.
作者 王岩 刘鹏飞 王晓睿 张波
机构地区 哈尔滨市第一医院MR室 哈尔滨医科大学附属一院磁共振影像中心
出处 《现代生物医学进展》 CAS 2006年第12期95-96,共2页 Progress in Modern Biomedicine
关键词 脑转移瘤 胶质瘤 磁共振成像 弥散加权成像 Brain metastatic tumor Glioma Magnetic resonance imaging Diffusion weighted imaging
分类号 R739.41 [医药卫生—肿瘤] R445.2 [医药卫生—影像医学与核医学]
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参考文献6

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二级参考文献24

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共引文献26

同被引文献15

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  • 2张竞文,伍建林,苗延巍,张清,宋清伟.磁共振弥散加权成像对脑肿瘤瘤周水肿的临床应用[J].中国医学影像技术,2005,21(12):1810-1814. 被引量：18
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现代生物医学进展
2006年 第12期

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