3.0T磁共振的临床应用特点研究

Study of Clinical Applied Characteristics of 3.0T MRI

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。

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).