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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 I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Imaging Studies IV: Magnetic Resonance Imaging01:27

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,...

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相关实验视频

Updated: Jun 16, 2026

How to Measure Cortical Folding from MR Images: a Step-by-Step Tutorial to Compute Local Gyrification Index
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在皮层发育形的MRI数据分析.

Mariasavina Severino1, Domenico Tortora2, Marcello Scala3,4

  • 1UO Neuroradiologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy. mariasavinaseverino@gaslini.org.

Methods in molecular biology (Clifton, N.J.)
|April 17, 2024
PubMed
概括

大脑磁共振成像 (MRI) 对于诊断皮质发育 (MCD) 形至关重要. 尽管存在一些局限性,但先进的MRI技术改善了对诸如耐药性等疾病的检测和手术规划.

关键词:
动脉旋转标签的标签大脑MRI 脑部MRI 脑部扩散权重成像技术的使用.皮层发育的形 皮层发育的形按T1加权的序列.在T2加权的序列中.

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科学领域:

  • 神经学 神经学
  • 放射学 放射学是一门学科.
  • 医疗成像医学成像

背景情况:

  • 皮层发育形 (MCD) 是一种影响大脑结构的先天性异常.
  • 准确的MCD诊断和表征对于有效的患者管理和治疗规划至关重要.
  • 磁共振成像 (MRI) 已经成为可视化大脑解剖的主要非侵入性工具.

研究的目的:

  • 评估各种大脑MRI技术在研究皮质发育形 (MCD) 中的作用和有效性.
  • 突出高级MRI序列在检测和表征MCD方面的能力.
  • 讨论MRI在MCD诊断中的局限性及其在治疗耐药性等疾病的手术规划中的实用性.

主要方法:

  • 使用了标准和高级MRI序列,包括3D T1加权,多平面薄切片T2加权和3D FLAIR.
  • 采用先进的技术,如动脉旋转标记MR输液,扩散张力成像 (DTI) 和功能性MRI (fMRI).
  • 专注于高分辨率成像,具有出色的空间和对比分辨率,用于详细的皮质可视化.

主要成果:

  • 标准的MRI技术可以检测和描述几乎所有的MCD.
  • 先进的MRI技术可以提高检测率,并帮助与MCD相关的耐药性的手术规划.
  • 限制包括高成本,可用性,需要镇静剂,以及对微妙形的敏感性.

结论:

  • 大脑MRI对于诊断和管理MCD是不可或缺的.
  • 先进的MRI应用程序为复杂的病例和外科干预提供了显著的好处.
  • 尽管有局限性,但MRI仍然是MCD全面评估的基石.