| ADC值与rADC值诊断脑肿瘤的应用价值 |
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| 引用本文： | 李茂,邓德茂,黄志碧,梁漱溟. ADC值与rADC值诊断脑肿瘤的应用价值[J]. 临床放射学杂志, 2008, 27(9): 1159-1162 |
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| 作者姓名： | 李茂 邓德茂 黄志碧 梁漱溟 |
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| 作者单位： | 广西医科大学第一附属医院放射科,南宁,530021;广西中医学院第一附属医院放射科;广西医科大学公共卫生学院流行病学与卫生统计学教研室 |
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| 摘 要： | 目的 研究磁共振扩散加权成像(DWI)表观扩散系数值(ADC)和相对表观扩散系数值(rADC)诊断脑肿瘤的应用价值.资料与方法 对69例拟诊脑肿瘤患者除常规序列及增强扫描外加作DWI,并测算肿瘤实质及肿瘤实质对侧镜面正常区的ADC和rADC值.结果 低级胶质瘤42例,高级胶质瘤15例,脑膜瘤12例.3组肿瘤的ADC值及rADC值差异均有统计学意义(ADC:F=13.882,P=0.000,rADC:F=19.858,P=0.000);低级胶质瘤与高级胶质瘤、脑膜瘤ADC值差异均有统计学意义(q=5.1499和6.4714,P＜0.01),低级胶质瘤与高级胶质瘤、脑膜瘤rADC值差异均有统计学意义(q=6.1344和7.7569,P＜0.01),高级胶质瘤与脑膜瘤差异无统计学意义(ADC:q=1.4697,P＞0.05,rADC:q=1.7915,P＞0.05).结论 ADC值和rADC值对胶质瘤的分级诊断很有价值.
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| 关 键 词： | 磁共振成像 扩散加权成像 胶质瘤 脑膜瘤 |
The Value of ADC and rADC in the Diagnosis of Brain Tumors |
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| LI Mao,DENG Demao,HUANG Zhibi,et al.. The Value of ADC and rADC in the Diagnosis of Brain Tumors[J]. Journal of Clinical Radiology, 2008, 27(9): 1159-1162 |
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| Authors: | LI Mao DENG Demao HUANG Zhibi et al. |
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| Affiliation: | LI Mao,DENG Demao,HUANG Zhibi,et al. Department of Radiology,the First Affiliated Hospital of Guangxi Medical University,Guangxi 530021,P.R.China |
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| Abstract: | Objective To evaluate the value of ADC and rADC in the diagnosis of brain tumors.Materials and Methods 69 patients were performed with MRI,included the plain MR scan,enhanced MR scan and DWI.ADC and rADC value of the tumoral parenchyma and contralateral normal region were measured.Results There were 42 low grade gliomas,15 high grade gliomas,12 meningiomas.Significant differences of the ADC and rADC value were existed among 3 group of tumors(F=13.882,19.858,P=0.000).SNK test showed significant differences i... |
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| Keywords: | Magnetic resonance imaging Diffusion weighted imaging Glioma Meningioma |
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