Search research articles

关于 JoVE

概览领导团队博客 JoVE 帮助中心

作者

出版流程编辑委员会范围与政策同行评审常见问题投稿

图书馆员

用户评价订阅访问资源图书馆顾问委员会常见问题

研究

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments 存档

教育

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual 教师资源中心教师网站

使用条款与条件

相关概念视频

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序

Same author

Arc-ZTE: Continuously-Slewed Zero-TE Imaging With Incoherent Temporal Sampling for Near-Silent Dynamic MRI.

Magnetic resonance in medicine·2026

Same author

Prediction of Anthracycline-induced Cardiotoxicity Using Cardiac MRI Parameters: An Animal Study.

Radiology. Cardiothoracic imaging·2026

Same author

Correcting <sup>129</sup>Xe Gas Exchange MRI for Incidental Gas-Phase Excitation-Comparing Approaches, and Identifying Acceptable Thresholds for Reliable Quantification.

Magnetic resonance in medicine·2026

Same author

Characterization of Pulmonary Dysfunction in Systemic Juvenile Idiopathic Arthritis Using Xenon and Proton MRI.

Pediatric pulmonology·2026

Same author

Novel translational pulmonary MRI in pediatrics: A Review of the last 10 years.

The European respiratory journal·2026

Same author

UCSF RMaC: University of California San Francisco 3D Multi-Phase Renal Mass CT Dataset with Tumor Segmentations.

medRxiv : the preprint server for health sciences·2026

Search research articles

相关实验视频

Updated: Jun 14, 2026

Author Spotlight: Standardization and Best Practices for Advancing Lung Imaging Using 129Xe MRI

Author Spotlight: Standardization and Best Practices for Advancing Lung Imaging Using ¹²⁹Xe MRI

Published on: November 21, 2023

使用H超短回声时间 (UTE) 进行肺透气分析肺MRI:可重现性研究

Fei Tan¹, Xucheng Zhu², Marilynn Chan³

¹UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, Berkeley and University of California, San Francisco, CA.

bioRxiv : the preprint server for biology

|November 14, 2023

概括

循环注册方法提供了使用超短回声时间 (UTE) 的MRI优异的肺通风量化. 特定通风在健康志愿者中显示出更高的复制性.

关键词:

一个小时 1H 1H 在UTE上,UTE是UTE.肺部的MRI 肺部的MRI 肺部的MRI 可复制性的可复制性进行通风分析.

更多相关视频

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

Published on: June 21, 2024

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Published on: September 6, 2024

相关实验视频

Last Updated: Jun 14, 2026

Author Spotlight: Standardization and Best Practices for Advancing Lung Imaging Using 129Xe MRI

Author Spotlight: Standardization and Best Practices for Advancing Lung Imaging Using ¹²⁹Xe MRI

Published on: November 21, 2023

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

Published on: June 21, 2024

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Published on: September 6, 2024

科学领域:

医疗成像医学成像
肺部医学肺部医学
生物物理学的生物物理.

背景情况:

精确量化肺通风对于诊断和监测肺部疾病至关重要.
超短回声时间 (UTE) MRI 提供了改善肺部成像的潜力,因为其降低了灵敏度的工件和更快的获取速度.
使用UTE MRI评估通风需要强大的图像记录和量化方法.

研究的目的:

评估和比较不同的图像记录和通风量化方法用于超短回声时间 (UTE) MRI.
评估这些方法在健康志愿者中的可重复性.

主要方法:

在六名健康志愿者身上进行了一项可复制性研究,使用自由呼吸的1H UTE肺部MRI.
在呼吸阶段解决的重建后,应用了两种注册方法 (循环b-spline和SyN).
计算和比较了两种通风量化方法 (通过雅可比定量进行区域通风和通过强度差异进行特定通风).

主要成果:

循环b-spline注册与雅可比定量区域通风产生了光滑,均的通风图匹配细分潮体积.
循环b-spline注册和特异通风的组合显示了布兰德-阿尔特曼分析中最小的标准偏差,表明更高的可重复性.
分裂小提琴和布兰德-阿尔特曼图表可视化了不同肺部区域的可复制性.

结论:

循环注册方法在呼吸阶段解析的1H UTE MRI通风量化中优于SyN.
区域通风,使用雅可比式的决定因素计算,显示与细分肺体积更好的相关性.
由强度差异产生的特定通风被发现更容易复制.