相关实验视频

Updated: Jan 10, 2026

Implementation of Non-invasive Point of Care Transient Elastography for Evaluation of Liver Disease in Pediatric Populations with Cystic Fibrosis

Implementation of Non-invasive Point of Care Transient Elastography for Evaluation of Liver Disease in Pediatric Populations with Cystic Fibrosis

Published on: August 29, 2025

使用PCD-CT进行细分fECV测量,作为慢性肝病中肝功能下降的早期预测因子

Takashi Ohtani¹, Masato Shimada², Kouki Takahashi²

¹Radiological Center, University of Fukui Hospital, Fukui, Japan. ohtanita@u-fukui.ac.jp.

Abdominal radiology (New York)

|November 23, 2025

概括

光子计数检测器CT (PCD-CT) 可以测量肝脏细胞外体积分数 (fECV) 以预测慢性肝病 (CLD) 肝功能下降. 在特定的肝脏部分的细分fECV显示了早期检测和肝脏疾病的分期的希望.

科学领域:

放射学和成像学放射学和成像学
肝病学肝病学是一种肝病学.
医学物理医学物理

背景情况:

慢性肝病 (CLD) 影响肝功能,需要准确的评估方法.
目前用于评估肝功能的方法可能是侵入性的或在早期缺乏精度.
肝脏细胞外体积分数 (fECV) 是肝脏健康的潜在成像生物标志物.

研究的目的:

评估从光子计数检测器CT (PCD-CT) 获得的细分肝细胞外体积分数 (fECV) 的实用性.
为了确定细分fECV是否可以预测肝功能下降,根据CLL患者的修饰性白蛋白-白素 (mALBI) 度指标.
探索基于PCD-CT的fECV测量的潜力,用于早期检测和肝功能障碍的分期.

主要方法:

在平衡阶段,有146名患有CLD的患者接受了PCD-CT肝脏成像.
分段密度 (大动脉和肝脏分段S2-S8) 被测量以计算fECV.
使用接收器操作特征 (ROC) 分析来评估细分fECV与mALBI等级的诊断准确性.

主要成果:

在mALBI 2a级的特定肝脏部分 (S4,S5,S8) 观察到fECV的显著差异,表明早期功能下降.
后部段 (S6,S7) 的fECV值在较高的mALBI等级下显著增加,这表明在疾病分期中有用.
在ROC分析中,高灵敏度,特异性和精度 (约. 90%) 的细分fECV (S4,S5,S8) 在预测早期肝功能下降.

结论:

使用PCD-CT进行的细分fECV测量提供了关于CLD肝功能的初步见解.
介质 (S4) 和前部 (S5,S8) 段的fECV增加可能是功能衰退的早期指标.
在后部段 (S6,S7) 中的fECV显示出肝病分期的潜力,尽管临床采用需要进一步验证.

关键词:

在CLD中,我们可以使用CLD.在PCD-CT中使用PCD-CT.在FECVV中,您可以使用

更多相关视频

Novel In Vivo Micro-Computed Tomography Imaging Techniques for Assessing the Progression of Non-Alcoholic Fatty Liver Disease

Novel In Vivo Micro-Computed Tomography Imaging Techniques for Assessing the Progression of Non-Alcoholic Fatty Liver Disease

Published on: March 24, 2023

Author Spotlight: Advancing Hepatic Fibrosis Diagnosis Using Magnetic Resonance Elastography and AI

Author Spotlight: Advancing Hepatic Fibrosis Diagnosis Using Magnetic Resonance Elastography and AI

Published on: July 21, 2023

相关概念视频

Ultrasound II: Endoscopic Ultrasound and FibroScan

Ultrasound II: Endoscopic Ultrasound and FibroScan

Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess...

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...