磁共振成像系统质量控制检测标准及其评价指标  

The detection standard of quality control of MRI System and its evaluation indicator

作　　者：梁永刚[1] 付丽媛[1] 陈自谦[1] 钟群[1] 肖慧[1] 许尚文[1] 陈坚[1] FU Li-yuan;CHEN Zi-qian(Center of Medical Image,900 Hospital of the Joint Logistics Team(The Former Fuzhou General Hospital of Nanjing Military Command),Fuzhou 350025,China)

机构地区：[1]联勤保障部队第九〇〇医院(原南京军区福州总医院)医学影像中心,福建福州350025

出　　处：《中国医学装备》2018年第12期11-15,共5页China Medical Equipment

基　　金：国家重点研发计划数字诊疗装备研发重点专项(2016YFC0103103)"相关临床应用软件质量控制检测规范与评价标准编制";福建省科技计划(2016I0010)"基于同步视频脑电图;PET/CT和多模态功能磁共振癫痫精准定位的应用研究";军区重大课题(14ZX23)"军人创伤后应激障碍的多模态功能磁共振研究"

摘　　要：通过介绍磁共振成像(MRI)设备国内外质量控制检测标准,阐述MRI系统的中心频率、主磁场均匀度、图像的信噪比、均匀度、线性度、空间分辨率、低对比度分辨率、层厚等主要质量控制检测评价指标及评估方法,以期达到MRI系统的质量控制检测指标,保证MRI系统的高效准确安全运行。To introduce the both domestic and overseas quality control(QC)test standards of magnetic resonance image(MRI)system,and elaborate the main detection evaluation indicators of MRI system,which included the central frequency,main magnetic field homogeneity,signal-to-noise ratio of image,image uniformity,spatial linearity,spatial resolution,low contrast resolution and thickness,and relevant evaluation method so as to achieve QC test indicator and ensure the safe operation of MRI system with high efficiency and accuracy.

关 键 词：磁共振成像(MRI) 质量控制检测 标准 评价指标 

分 类 号：R445.2[医药卫生—影像医学与核医学]