| 增强FLAIR序列在颅脑病变中的应用 |
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| 引用本文： | 张晖,柴瑞新,刘树枫,伊生勇. 增强FLAIR序列在颅脑病变中的应用[J]. 中国医学影像学杂志, 2001, 9(5): 331-332,396 |
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| 作者姓名： | 张晖 柴瑞新 刘树枫 伊生勇 |
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| 作者单位： | 内蒙古临河市巴盟医院CT,MRI诊断治疗中心 |
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| 摘 要： | 目的评价增强FLAIR序列在颅脑疾病诊断中的应用.材料与方法50例患者行脑MRI平扫(T1 WI、T2 WI、FLAIR)和Gd-DTPA增强(FLAIR和T1WI)检查,双盲法比较增强前后FLAIR与T1 WI的差异.结果所有病变在FALIR均显示不同程度的异常增强,在脑梗塞疾病中增强FLAIR诊断敏感性大于增强T1 WI.星形细胞瘤、转移瘤和结核瘤,T1 WI增强优于FLAIR.结论增强FLAIR在检查脑表面病变,如皮质或皮质下梗塞,诊断准确性高于增强T1 WI.
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| 关 键 词： | 脑 增强FLAIR MRI |
| 修稿时间： | 2000-10-31 |
The Application of Enhancement FLAIR Pule Sequence in Brain Disease |
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| Zhang Hui,Chai Ruixin,Liu Shufeng,Yi Shengyong. The Application of Enhancement FLAIR Pule Sequence in Brain Disease[J]. Chinese Journal of Medical Imaging, 2001, 9(5): 331-332,396 |
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| Authors: | Zhang Hui Chai Ruixin Liu Shufeng Yi Shengyong |
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| Abstract: | Purpose:To evaluate the application of the enhanced FLAIR pulse sequence in diagnosing lesions of brain,Materials and Methods: 50 Patients had brain scans(T 1WI, T 2WI, FLAIR)and Gd-DTPA enhanced MR Imaging(T 1WI, FLAIR); using a double blind method compared pre-and postcontrast FLAIR with enhanced T 1WI, Results: For brain disease, all lesions were showed different extent enhancement, in the cerebral infarctions, sensitivity of the enhancement FLAIR were better than enhancedT 1WI(P<0.001), but enhancement T 1WI were superior to enhanced FLAIR in the astrocytoma, metastatic tumors and tuberculoma. Condusion: Enhancement FLAIR pulse sequence is superior to enhanced T 1WI in detecting superficial lesions such as cortex or subcortex infarct. |
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| Keywords: | brain postcontrast FLAIR MRI |
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