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Diagnosis of arrhythmogenic right ventricular cardiomyopathy using MRI
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 11
- DOI:
- 10.3760/j.issn:1005-1201.2002.11.013
- Key Word:
- 心律失常性右心室发育不良;磁共振成像
Abstract： 目的用心脏MR新技术评价致心律不齐性右室心肌病(ARVC)的MRI征象,探讨MR扫描技术.方法对15例临床、超声诊断或疑为ARVC的病人进行MR检查,使用GE Signa 1.5 T CV/i MR扫描系统,扫描序列包括黑血技术:双反转恢复快速自旋回波(double-IR FSE)和三反转自旋回波(triple-IR FSE)序列;白血技术:快速电影成像(fastcine)序列.扫描平面有短轴面、四腔面和长轴面.结果 10例诊断为ARVC,ARVC的主要MRI表现有:右室壁脂肪信号3例,右室壁变薄9例,右心室扩大6例,室壁瘤形成2例,右心腔内慢血流信号9例,右室射血分数降低6例,右房扩大3例.右室乳头肌和左室心尖部、室间隔前部累及2例.黑血技术可显示心脏解剖、形态及组织特性,白血技术主要了解心脏功能及心肌壁的运动,短轴面和四腔面显示病变较满意.结论 ARVC的MRI表现具有一定的特征,多序列、多平面成像的MR新技术对该病的诊断更准确、更可靠.
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