| 3．0T磁共振的临床应用特点研究 |
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| 引用本文： | 昌仁民,刘广保,张玉忠,胡罢生,陈斌,曲华丽,许乙凯,邱士军,张雪林.3．0T磁共振的临床应用特点研究[J].CT理论与应用研究,2008,17(4):76-81. |
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| 作者姓名： | 昌仁民 刘广保 张玉忠 胡罢生 陈斌 曲华丽 许乙凯 邱士军 张雪林 |
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| 作者单位： | [1]南方医科大学南方医院影像中心,广州510515 [2]邵阳市中西医结合医院放射科,湖南邵阳422000 |
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| 摘 要： | 本文对3．0T磁共振信噪比、磁敏感性效应、电介质效应、化学位移效应、驰豫时间和特殊吸收率5方面的特点、优势与不足进行分析和研究，帮助了解3．0T的一些基本物理知识，正确认识3．0T的临床应用价值，扬长避短，充分发挥其在临床和科研方面的优势。
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| 关 键 词： | 3.0 T MRI SNR 磁敏感性 电介质 化学位移 驰豫时间 特殊吸收率 |
Study of Clinical Applied Characteristics of 3.0T MRI |
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| Institution: | CHANG Ren-min, LIU Guang-bao, ZHANG Yu-zhong, HU Ba-sheng, CHEN Bin, QU Hua-li, XU Yi-kai,QIU Shi-jun, ZHANG Xue-lin( 1. Imaging Center of Nanfang Hospital of Nanfang Medical University, Guangzhou Guangdong 510515, China 2. Radiology Department of Shaoyang Cooperation of Chinese and Western Medicine Hospital, Shaoyang Hunan 422000, China) |
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| Abstract: | In order to conduce to comprehend some basic physical knowledge,to congnition accurately clinical practical value of 3.0 T MRI, to foster strengths and circumvent weaknesses and bring it into full play in clinic and scientific research,the characteristics,advantage and disadvantage is studied and analyzed in signal noise ratio（SNR）, susceptibility effects, dielectric effects, chemical shift effects, relaxation time and specific absorption rate（SAR）. |
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| Keywords: | 3 0 T MRI SNR susceptibility dielectric chemical shift relaxation time SAR |
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