| MRI诊断非出血性脑弥漫性轴索损伤的临床价值 |
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| 引用本文： | 杨贵昌,李文进,周平,陈清福. MRI诊断非出血性脑弥漫性轴索损伤的临床价值[J]. 中国医学影像学杂志, 2003, 11(4): 273-274,311 |
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| 作者姓名： | 杨贵昌 李文进 周平 陈清福 |
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| 作者单位： | 255200,淄博,山东省淄博市第一医院影像科 |
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| 摘 要： | 目的探讨MRI对非出血性脑弥漫性轴索损伤的临床应用价值.材料和方法回顾性分析36例非出血性脑弥漫性轴索损伤的MRI资料.结果全部病例行CT和MRI检查.36例非出血性挫伤灶中,位于胼胝体16例,脑干8例,小脑蚓部2例,放射冠8例,内囊4例,额、颞叶20例.CT扫描仅2例(5.6%)显示出低密度灶.MRIT1WI均呈等或略低信号,T2WI呈高信号.结论MRI是诊断非出血性脑弥漫性轴索损伤最佳的影像学手段,对临床正确诊断本病具有重要的应用价值.
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| 关 键 词： | 脑 弥漫性轴索损伤 非出血性 MRI |
| 修稿时间： | 2002-12-10 |
The Clinical Value of MRI in Diagnosis of Non-hemorrhagic Diffuse Axonal Brain Injury |
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| Yang Guichang,Li Wenjin,Zhou Ping,Chen Qingfu. The Clinical Value of MRI in Diagnosis of Non-hemorrhagic Diffuse Axonal Brain Injury[J]. Chinese Journal of Medical Imaging, 2003, 11(4): 273-274,311 |
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| Authors: | Yang Guichang Li Wenjin Zhou Ping Chen Qingfu |
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| Abstract: | Purpose: To study the clinical value of MRI in the diagnosis of non hemorrhagic diffuse axonal brain injury. Materials and Methods: The MRI findings of 36 patients with non hemorrhagic diffuse axonal brain injury were analyzed retrospectively. Results: All patients examined with CT and MRI were reviewed. The lesions were located in corpus callosum in 16 cases, brain stem in 8 cases, vermis of cerebellum in 2 cases, corona rediata in 8 cases, internal capsule in 4 cases and lobes of cerebrum in 20 cases. 2(5.6%)cases showed low density on CT images. In all 36 cases, MRI showed isointense or slight hypointense singal on T1WI and hyperintense singal on T2WI. Conclusion: MRI is the best tool in diagnosis of the non hemorrhagic diffuse axonal brain injury. It is considered valuable for improving the diagnostic accuracy of the lesions. |
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| Keywords: | brain DAI non hemorrhagic MRI |
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