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Magnetic Resonance Imaging

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...

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Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

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通过模块化和便携式管道重新考虑MRI作为测量设备.

Agah Karakuzu^1,2, Nadia Blostein³, Alex Valcourt Caron⁴

¹NeuroPoly Lab, Polytechnique Montreal, Montreal, Québec, Canada.

Magma (New York, N.Y.)

|April 24, 2025

概括

此摘要是机器生成的。

开源的MRI管道通过减少变化来提高测量可靠性. 这促进了准确的定量成像生物标志物 (QIBs) 提供更好的临床翻译.

关键词:

核磁共振成像工作流程计量学计量学计量学量化MRI是指数量化的MRI.可复制性可复制性标准化标准化标准化提供商中立.

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科学领域:

医疗成像医学成像
生物医学工程生物医学工程
开放科学是一个开放的科学.

背景情况:

磁共振成像 (MRI) 由于专有系统和不一致的实现,在可靠的测量方面面临挑战.
这种不一致导致生物医学研究的系统变异,阻碍了定量成像生物标志物 (QIB) 的临床翻译.

研究的目的:

探索开源测量管道的好处,以尽量减少MRI的变化.
引入一个用于对MRI工作流程进行基准测试的框架,以及可重复性策略的词汇表.

主要方法:

为了评估测量不确定性传播,开发了一种分层的基准测试框架 (从黑盒到玻璃盒).
两个模块化和便携式MRI测量工作流程作为实际实施指南.
提供了术语词汇表,以标准化可重现性和后期数据聚合策略.

主要成果:

拟议的框架揭示了工作流的不透明性如何导致测量不确定性.
插图工作流程展示了如何将逻辑与计算过程脱,以改善MRI管道.
标准化工作流可以确定将先进框架转化为临床环境的挑战.

结论:

开源的MRI测量管道对于最小化变化和确定测量不确定性至关重要.
一致的术语和标准化的工作流程对于提高QIBs的可复制性和临床翻译至关重要.
开发人员,监管机构,行业和临床医生之间的合作努力是必要的,以在临床实践中推进玻璃盒MRI框架.