相关实验视频

Updated: Jan 14, 2026

Functional MRI in Conjunction with a Novel MRI-compatible Hand-induced Robotic Device to Evaluate Rehabilitation of Individuals Recovering from Hand Grip Deficits

Functional MRI in Conjunction with a Novel MRI-compatible Hand-induced Robotic Device to Evaluate Rehabilitation of Individuals Recovering from Hand Grip Deficits

Published on: November 23, 2019

骨折MRI:评估手可视化的成像能力,使用健康志愿者的MRI

Yukari Matsuzawa¹, Yusuke Matsuura², Kaoru Kitsukawa³

¹Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan. yukari0130i@gmail.com.

Insights into imaging

|January 12, 2026

概括

快场回声类似于CT使用限制回声间隔 (FRACTURE) MRI提供优越的手可视化与标准序列相比. 骨折衍生的图像增强了解剖学的理解,并有助于手术手术中的手术规划.

科学领域:

放射学和成像科学放射学和成像科学
肌肉骨成像系统的成像
先进的核磁共振成像技术

背景情况:

精确的手可视化对于诊断受伤和计划治疗至关重要.
传统的MRI测序在描绘细结构方面可能存在局限性.
快场回声类似于CT使用限制回声间隔 (FRACTURE) 是一种新兴的MRI技术.

研究的目的:

通过使用FRACTURE MRI来评估手肌的显著性.
为了评估FRACTURE衍生体积染 (VR) 图像的实用性.
在健康志愿者中,将FRACTURE与传统的MRI序列 (PD-VISTA,T2WI) 进行比较.

主要方法:

十名健康的志愿者接受了MRI,包括FRACTURE,PD-VISTA和T2WI在中性和腹偏差中.
使用FRACTURE数据创建横截面和VR图像.
肌显眼性,横截面积和对比度与噪声比率 (CNR) 被经验丰富的读者在数量和质量上评估.

主要成果:

与PD-VISTA和T2WI相比,FRACTURE获得了显著更高的定性可见性得分 (p < 0.001).
对于肌肉和肌的对比,FRACTURE 显示了显著更高的 CNR (12.63 与 7.91 相比,p < 0.017).
肌横截面积测量显示出强烈的相关性,但序列之间有系统的偏差.

结论:

与传统的MRI序列相比,FRACTURE提供了优越的手可视化.
碎片衍生VR图像提供了宝贵的三维解剖洞察力.
在手术中,FRACTURE显示了提高手术规划和手术选择的潜力.

关键词:

骨折是一种折断.手和手指的肌,手和手指的肌这是一个虚拟现实 (VR) 形象,虚拟现实 (VR) 图像.视觉化的可视化

更多相关视频

Author Spotlight: Exploring the Complexities of Achilles Tendon Injuries — Research and Future Directions

Author Spotlight: Exploring the Complexities of Achilles Tendon Injuries — Research and Future Directions

Published on: October 27, 2023

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

相关概念视频

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...

Imaging Studies for Cardiovascular System IV: CMRI

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,...

Imaging Studies IV: Magnetic Resonance Imaging

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...