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相关概念视频

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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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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 10, 2025

Preparation and In Vitro Characterization of Dendrimer-based Contrast Agents for Magnetic Resonance Imaging
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对MR放松计图的颜色图谱建议

Miha Fuderer1, Barbara Wichtmann2,3, Fabio Crameri4

  • 1Radiotherapy, Division Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands.

Magnetic resonance in medicine
|October 17, 2024
PubMed
概括

研究人员建议用于磁共振 (MR) 放松计量定量成像的特定颜色图. 在T1和T2地图中建议使用Lipari彩色地图,而在T2*和其他地图中建议使用Navia彩色地图.

关键词:
颜色 颜色 颜色 颜色 颜色显示器显示显示器显示显示器.这是一个定量MRMR.放松 放松 放松标准化 标准化 标准化

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科学领域:

  • 医疗成像医学成像
  • 定量磁共振成像 (qMRI) 是一种技术.

背景情况:

  • 在MR放松度学中对颜色表示的标准化对于准确的解释至关重要.
  • 以前的努力已经提出了彩色地图设置,但缺乏共识.

研究的目的:

  • 为了协调MR放松计中的颜色图的使用.
  • 推T1,T2,T2*的特定颜色地图及其反向地图.

主要方法:

  • 利用感知线性化的色彩图,与先前的研究保持一致.
  • 采用了涉及81名专家的Delphi过程,以达成有关地图适用性的共识.

主要成果:

  • 在T1和T2地图中使用对数处理的利帕里彩色地图达成共识.
  • 在使用对数处理的Navia彩色地图用于T2*和其他地图方面达成了共识.
  • 关于强制性彩色条和无效数据的特定值的协议;关于固定的解剖范围没有共识.

结论:

  • 建议对定量T1和T2地图进行对数处理的利帕里彩色地图.
  • 建议对T2*,T2,T1和T2地图进行对数处理的Navia颜色地图.
  • 由国际医学磁共振学会 (ISMRM) 的定量MR研究小组认可.