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相关概念视频

Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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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...
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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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相关实验视频

Updated: Jun 9, 2025

Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis
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Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis

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肺部MRI:未来的现在是现在.

Jason C Woods1

  • 1Pediatrics and Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.

Pediatric pulmonology
|October 22, 2024
PubMed
概括

磁共振成像 (MRI) 提供高分辨率的结构和功能性肺部成像,特别是对于无法执行肺功能测试 (PFTs) 的儿童. 超极化 (Xe) 核磁共振精确检测肺部疾病中的呼吸道阻塞和气体交换问题.

科学领域:

  • 医疗成像医学成像
  • 肺部病理学 肺部病理学
  • 儿科医学 儿科医学

背景情况:

  • 磁共振成像 (MRI) 提供高分辨率的结构成像,可以揭示呼吸过程中的功能异常.
  • 在患有慢性肺病的儿科患者中,MRI是肺功能测试 (PFT) 的安全替代方案,用于表征心肺呼吸系统疾病.
  • 超极化 (Xe) 核磁共振对区域性气道阻塞,气膜空气空间变化和气体交换异常高度敏感.

研究的目的:

  • 要总结目前使用高极化核磁共振成像用于肺部成像的功能测量方法.
  • 突出MRI在患有慢性肺病的儿科患者群体中的实用性.

主要方法:

  • 通过MRI利用断层成像来捕捉结构和功能性肺部异常.
  • 使用功能性肺成像与高极化XeMRI来评估区域性气道阻塞,气膜空气空间大小/结构和气体交换.
  • 在5岁及以上的患者中,Xe MRI的常规应用.

主要成果:

  • 磁力共振成像能够有效地鉴定婴儿和儿童的心肺呼吸系统疾病,而在这种情况下,PFT是不可行的.
  • 超极化XeMRI显示出对各种肺病理的高度敏感性,包括间歇性异常和血液流动问题.
  • 该技术为区域肺功能提供了详细的见解.
关键词:
美国BPD警察局这就是为什么MRI是MRI.过极化的超极化肺 肺 肺 肺 肺 肺 肺 肺 肺时间过早的早产.异异是一种异.

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Last Updated: Jun 9, 2025

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Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods
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Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

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结论:

  • 核磁共振是儿童肺部疾病的安全有效的成像工具.
  • 超极化XeMRI为肺部提供了全面的功能评估.
  • 本摘要提供了可用于临床使用的Xe MRI功能测量方法的概述.