LI-RADS:能量整合计算机断层扫描,光子计数探测器计算机断层扫描和磁共振成像之间的一致性
Lukas Müller1,2, Tobias Jorg3, Fabian Stoehr3
1Department of Diagnostic and Interventional Radiology, University Medical Center Mainz, Langenbeckstr. 1, Mainz, 55131, Germany. lukas.mueller@unimedizin-mainz.de.
与能量整合检测器CT (EID-CT) 相比,光子计数检测器CT (PCD-CT) 在肝损伤分类方面显示出更好的一致性. PCD-CT提供了与MRI更好的一致性,可能有助于肝细胞癌 (HCC) 管理.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 肝胆道成像 肝胆道成像
背景情况:
- 光子计数检测器CT (PCD-CT) 在肝脏成像方面比能量整合检测器CT (EID-CT) 具有技术优势.
- 使用肝脏成像报告和数据系统 (LI-RADS) 分类肝脏病变的PCD-CT的临床实用性仍在研究中.
- 对PCD-CT,EID-CT和MRI之间的内部和间接协议进行比较对于肝损伤分类至关重要.
研究的目的:
- 为了比较EID-CT和PCD-CT与MRI用于肝损伤分类的内部和跨模式协议.
- 评估PCD-CT和EID-CT在评估LI-RADS主要特征方面的表现.
- 与EID-CT相比,确定PCD-CT是否为可疑的肝病变提供了更好的诊断准确性.
主要方法:
- 在30天内接受EID-CT或PCD-CT和MRI的患者的回顾性研究.
- 三位放射科医生对26名患者68种病变的LI-RADS分类和主要特征进行了评估.
- 使用Fleiss' Kappa和类内相关系数 (ICC) 的统计分析来评估评级者协议.
主要成果:
- 对于LI-RADS分类来说,PCD-CT显示了更高的体内体间度一致 (0.90) 比EID-CT (0.88) 和MRI (0.87) 更高.
- 在CT和MRI之间,PCD-CT (0.72-0.85) 与EID-CT (0.52-0.64) 相比,CT和MRI之间的交联协议更高.
- 对于所有LI-RADS主要特征,PCD-CT显示了实质性的协议,而EID-CT仅显示了洗.
结论:
- 与EID-CT相比,PCD-CT在LI-RADS分类和主要特征方面表现出优越的模式内和模式间协议.
- PCD-CT显示了与MRI的实质性或几乎完美的一致性,这表明诊断性能得到了提高.
- 这些发现表明PCD-CT在治疗肝细胞癌 (HCC) 中具有潜在的临床益处.
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