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扩散加权成像的诊断能力使用回声平面成像与压缩感觉 (EPICS) 区分肝脏血管瘤和肝脏转移

Tetsuro Kaga¹, Yoshifumi Noda¹, Masashi Asano¹

¹Department of Radiology, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan.

European journal of radiology

|August 29, 2023

概括

压缩感觉DWI (EPICS-DWI) 改善了肝转移的明显性,而不是并行成像DWI (PI-DWI). 然而,这两种扩散权重成像技术在区分肝血管瘤和肝转移方面表现出相似的诊断能力.

科学领域:

放射学放射学是一门学科.
医疗成像医学成像
在瘤学瘤学.

背景情况:

区分肝血管瘤 (HHs) 和肝转移 (LMs) 对于患者管理至关重要.
扩散权重成像 (DWI) 是肝损伤特征的一个有价值的工具.
酒后驾驶技术的进步旨在提高病变的明显性和诊断的准确性.

研究的目的:

为了比较并行成像DWI (PI-DWI) 和压缩感官DWI (EPICS-DWI) 的诊断性能,在区分HHs和LMs.
为了评估两个DWI序列之间的损伤明显性,对比度和噪声比 (CNR) 和明显扩散系数 (ADC) 值.

主要方法:

对30名患有HH和/或LM的参与者的前性研究.
获取PI-DWI和EPICS-DWI序列. 这是一个很好的方法.
放射科医生对病变明显性的评估和CNR和ADC值的计算.
用于诊断性能评估的接收器操作特征 (ROC) 分析.

主要成果:

与PI-DWI相比,EPICS-DWI显著提高了LM的显著性和更高的CNR.
在序列之间没有观察到HHs的CNR或HHs和LMs的ADC值的显著差异.
对差异化的切线ADC值是相似的:PI-DWI的1.38 × 10−3 mm2/s和EPICS-DWI的1.37 × 10−3 mm2/s.

结论:

与PI-DWI相比,EPICS-DWI可以提高肝转移的可见性.
尽管LM与EPICS-DWI的显著性有所改善,但这两种技术在区分基于ADC值的HH和LM方面提供了可比的诊断准确性.

关键词:

腹部MRI是指腹部的MRI.压缩的感觉压缩的感觉扩散权重成像技术的使用.肝脏肝脏肝脏肝脏并行成像并行成像

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