相关实验视频

Updated: May 30, 2025

Preparation and In Vitro Characterization of Dendrimer-based Contrast Agents for Magnetic Resonance Imaging

Preparation and In Vitro Characterization of Dendrimer-based Contrast Agents for Magnetic Resonance Imaging

Published on: December 4, 2016

一个体外研究对抗剂优化对MR的hysterosalpingography

Jin Ding¹, Huanzhi Ding², Ximing Wang²

¹Department of Obstetrics and Gynecology Ultrasound, The First Affiliated Hospital of Soochow University, Suzhou, PR China.

Acta radiologica (Stockholm, Sweden : 1987)

|January 31, 2025

概括

最佳的加多 - 对比率被确定用于磁共振催眠学 (MR-HSG). 建议在1.5T MR-HSG中使用1:300的比率,而在3.0T MR-HSG中使用1:200的比率更好.

科学领域:

放射学放射学是一门学科.
医疗成像医学成像
对比剂对比剂的使用

背景情况:

加多-混合对比剂在MR-HSG中增强输卵管可视化.
缺乏对这些药物的混合比率的标准化.

研究的目的:

为了确定MR-HSG的加多-对比剂的最佳混合比率.
为了评估不同磁场强度 (1.5T和3.0T) 的对比剂性能.

主要方法:

在体外试验中,研究了加多与盐水 (Gd-NS),胺 (Gd-I370) 和醇 (Gd-I320) 的16种混合比率.
用T1对比度增强序列在1.5T和3.0T进行的扫描.
图像质量的定性分级和信号强度 (SI) 变化的定量比较.

主要成果:

Gd-I370和Gd-I320显示出最高的SI和良好的图像质量,比率为1:300 (1.5T) 和1:200 (3.0T).
在任何场强度下,Gd-I370和Gd-I320之间没有显著的SI差异.
与1.5T相比,对比剂SI在3.0T时显著高于1.5T.

结论:

1:300的加多-比为1.5T MR-HSG的最佳情况.
1:200的加多-比为3.0T MR-HSG的最佳情况.
通过3.0T MR-HSG实现了更高的信号强度.

关键词:

磁共振成像技术磁共振成像技术对比剂是一种对比剂.通过hysterosalpingography,可以检测出这些情况.信号的强度信号的强度.

更多相关视频

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis

Published on: June 2, 2015

Combined Supine and Standing Imaging for Varicocele: An Improved Diagnostic Approach

Combined Supine and Standing Imaging for Varicocele: An Improved Diagnostic Approach

Published on: November 22, 2024

相关概念视频

Imaging Studies I: CT and MRI

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 for Cardiovascular System II:Types of Echocardiography

Imaging Studies for Cardiovascular System II:Types of Echocardiography

Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...