美国放射学院(ACR)关于定量CT(QCT)骨密度测量操作指南

被引：67

作者：

程晓光

李娜 ^{[1
]}

余卫 ^{[2
]}

机构：

[1] 北京积水潭医院放射科

[2] 北京协和医院放射科

来源：

中国骨质疏松杂志 | 2013年 / 19卷 / 09期

关键词：

计算机断层扫描; 骨密度测量; 骨质疏松症;

D O I：

暂无

中图分类号：

R580 [];

学科分类号：

摘要：

随着螺旋CT技术的进步和定量CT(QCT)分析技术的发展,定量CT(QCT)骨密度测量的临床应用越来越引起大家的重视。美国放射学院(ACR)组织专家起草,并于2008年颁布了ACR定量CT(QCT)骨密度测量操作指南。该指南的目的在于制定临床工作中QCT检查实施和诊断的参考标准,包括其设备要求、质量控制、适用人群、临床适应症和禁忌症,医生和技术员资质要求,以及QCT测量规范和报告规范。该指南提出了对绝经后妇女和50岁及以上男性的QCT诊断参考标准。建议脊柱QCT采用BMD绝对值诊断,即BMD>120 mg/cm3诊断为骨量正常,BMD 120 mg/cm3～80 mg/cm3诊断为低骨量,BMD<80 mg/cm3诊断为骨质疏松。QCT髋关节测量的T值可以根据WHO DXA标准来诊断骨质疏松。该指南对我国的QCT临床应用具有指导意义。

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页码：991 / 997

页数：7

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