相关实验视频

Updated: Jun 16, 2026

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression

Published on: May 7, 2019

患有先天性隔膜的胎儿的扩散张力成像

Usha D Nagaraj^1,2, Jonathan A Dudley³, Kristin Lam⁴

¹Department of Radiology and Medical Imaging, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.

Prenatal diagnosis

|June 11, 2025

概括

扩散张力成像揭示了先天性隔膜 (CDH) 的胎儿的大脑微结构差异. 这些发现与CDH患者肺部缺血症的严重程度相关.

科学领域:

神经成像是一种神经成像.
胎儿医学胎儿医学
发展生物学发展生物学

背景情况:

kongenital diaphragmatic hernia (CDH) 是一种复杂的出生缺陷,影响肺部发育.
在患有CDH的胎儿中,大脑发育可能受到影响.
扩散张力成像 (DTI) 可以评估白质微观结构.

研究的目的:

为了研究与对照人群相比,CDH胎儿的脑白质微观结构差异.
探索DTI参数与CDH胎儿肺部发育之间的相关性.

主要方法:

来自CDH和对照组的胎儿MRI数据的回顾性分析.
用特定参数获得的DTI数据 (15个方向,b值600秒/mm2).
用于运动工件校正的切片对体积记录 (SVR).

主要成果:

在CDH胎儿的50个白质区域中,在12个区域观察到显著更高的分数异构性 (FA) 值.
在多个白质区域,FA值与肺体积 (观察到预期和预测的百分比) 有正相关性.

结论:

胎儿DTI在CDH胎儿中显示出不同的大脑微结构指数.
这些微观结构的差异与CDH肺部低成形的程度有关.

关键词:

生产性腹膜 Hernia 是一种先天性腹膜.扩散张力成像的成像方法胎儿核磁共振 (MRI) 检查结果

更多相关视频

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Published on: December 15, 2014

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Published on: July 28, 2013

相关概念视频

Assessment of Diffusion and Perfusion

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...