| 磁共振灌注成像对高级胶质瘤、转移瘤 及脑脓肿的鉴别诊断价值 |
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| 引用本文： | 钱银锋,余永强,郑斐群,张诚,柏亚,陈骏.磁共振灌注成像对高级胶质瘤、转移瘤 及脑脓肿的鉴别诊断价值[J].中国医学影像技术,2003,19(2):149-151. |
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| 作者姓名： | 钱银锋 余永强 郑斐群 张诚 柏亚 陈骏 |
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| 作者单位： | 安徽医科大学第一附属医院放射科,安徽,合肥,230022 |
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| 基金项目： | 安徽省自然科学基金资助 (990 4 4 530 ) |
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| 摘 要： | 目的：评价磁共振藻注加权成像（PWI）对Ⅲ-Ⅳ级胶质瘤、脑转移瘤及脑脓肿的诊断和鉴别诊断价值。方法：本组31例病人行PWI，绘制出灶周区和对侧对称区的信号强度-时间曲线，计算两兴趣区最大信号强度下降百分比、相对脑血流容积（rCBV）之比值Q。并计算病变自身的rCBV。结果：Ⅲ-Ⅳ级胶质瘤、脑转移瘤和脑脓肿的QSRR分别为1.88、0.31、0.95，QrCBV为2.61、0.26、1.01，各组Q值间具有显著统计学差异，而病变的灌注间则无统计学差异。结论：PWI在Ⅲ-Ⅳ级胶质瘤、脑转移瘤及脑脓肿的诊断和鉴别诊断中具有重要价值。
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| 关 键 词： | 胶质瘤 转移瘤 脑脓肿 磁共振灌注加权成像 鉴别诊断 统计学 |
| 文章编号： | 1003-3289(2003)02-0149-03 |
| 收稿时间： | 2002/7/23 0:00:00 |
| 修稿时间： | 2002年7月23日 |
A Study of the Differential Diagnostic Potential of Perfusion MR Imaging among High-Grade Gliomas,Metastatic Tumor and Abscess of Brain |
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| QIAN Yin-feng,YU Yong-qiang,ZHEN Fei-qun,ZHANG Cheng,BO Yan and CHEN Jun.A Study of the Differential Diagnostic Potential of Perfusion MR Imaging among High-Grade Gliomas,Metastatic Tumor and Abscess of Brain[J].Chinese Journal of Medical Imaging Technology,2003,19(2):149-151. |
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| Authors: | QIAN Yin-feng YU Yong-qiang ZHEN Fei-qun ZHANG Cheng BO Yan and CHEN Jun |
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| Institution: | Department of Radiology,the First Hospital,Anhui Medical University,Hefei 230022,China;Department of Radiology,the First Hospital,Anhui Medical University,Hefei 230022,China;Department of Radiology,the First Hospital,Anhui Medical University,Hefei 230022,China;Department of Radiology,the First Hospital,Anhui Medical University,Hefei 230022,China;Department of Radiology,the First Hospital,Anhui Medical University,Hefei 230022,China;Department of Radiology,the First Hospital,Anhui Medical University,Hefei 230022,China |
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| Abstract: | |
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| Keywords: | Gliomas Metastases Brain abscess Perfusion MR imaging |
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