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相关概念视频

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...

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相关实验视频

Updated: Jun 23, 2026

High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain
10:06

High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain

Published on: May 10, 2012

实时自动化质量控制用于定量MRI.

Andrew Dupuis1, Rasim Boyacioglu2, Kathryn E Keenan3

  • 1Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA. andrew.dupuis@case.edu.

Magma (New York, N.Y.)
|October 3, 2024
PubMed
概括

定量MRI (qMRI) 的自动化质量控制 (QC) 系统确保了准确和可重复的性能监测. 这个开源管道验证了序列量化,促进了在临床环境中采用qMRI.

关键词:
自动化质量控制自动化质量控制这是一个ISMRM/NIST系统幻影.图像处理 图像处理磁共振指纹的使用绩效监测 绩效监测 绩效监测 绩效监测 绩效监测 绩效监测 绩效监测量化MRI是指数量化的MRI.

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Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

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Automated Segmentation of Cortical Grey Matter from T1-Weighted MRI Images
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Automated Segmentation of Cortical Grey Matter from T1-Weighted MRI Images

Published on: January 7, 2019

相关实验视频

Last Updated: Jun 23, 2026

High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain
10:06

High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain

Published on: May 10, 2012

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Automated Segmentation of Cortical Grey Matter from T1-Weighted MRI Images
06:48

Automated Segmentation of Cortical Grey Matter from T1-Weighted MRI Images

Published on: January 7, 2019

科学领域:

  • 医疗成像医学成像
  • 量化MRI是指数量化的MRI.
  • 质量控制 质量控制 质量控制

背景情况:

  • 定量MRI (qMRI) 需要对临床整合进行强有力的验证.
  • 目前的序列性能评估方法可能耗时且容易变化.
  • 标准化质量控制 (QC) 对于可靠的qMRI数据至关重要.

研究的目的:

  • 为 qMRI 工作流程开发和展示一个自动化 QC 系统.
  • 建立一个开源管道,用于验证序列量化性能.
  • 为了实现快速,可重复和准确的稳定性跟踪 qMRI 协议.

主要方法:

  • 一个基于微服务的QC系统被设计用于自动化瓶子细分.
  • 使用ISMRM/NIST定量MRI系统幻影分析了定量地图.
  • 该系统在各种MR指纹 (MRF) 采集和协议设计中进行了测试.

主要成果:

  • 自动化系统实现了一致和可重复的价值细分和报告.
  • 所有252个T1和T2瓶样品均成功提取.
  • 对于T1和T2值的间歇误差是最小的 (分别为0.09%±1.23%和-0.26%±2.68%).

结论:

  • 自动化质量控制系统可实时评估量化性能.
  • 这种方法简化了序列验证和长期性能监测.
  • 促进在标准临床方案中更广泛地接受qMRI.