肝硬化门静脉高压CT和磁共振成像的表现及研究进展

严福华

doi:10.3969/j.issn.1001-5256.2016.06.011

肝硬化门静脉高压CT和磁共振成像的表现及研究进展

DOI: 10.3969/j.issn.1001-5256.2016.06.011

严福华

上海交通大学医学院附属瑞金医院放射科

详细信息

中图分类号: R575.2;R445.2;R816.5
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出版历程
- 出版日期: 2016-06-20

Research advances in computed tomography and magnetic resonance imaging findings of cirrhotic portal hypertension

Yan FuHua

摘要

摘要: 门静脉高压是肝硬化最常见的并发症。无创的影像学在肝硬化肝实质评估、侧枝循环评价及食管胃底静脉曲张破裂出血评价方面具有重要价值。CT和磁共振成像(MRI)均可反映肝脏形态学、肝实质密度和信号以及血流动力学的变化,对疾病诊断和预后评估有重要的补充价值。CT和磁共振(MR)功能成像如灌注加权成像、MR弹性成像、MR弥散加权成像等,可提供量化的信息,对肝纤维化及早期肝硬化的诊断有潜在的临床应用价值。CT血管成像和MR血管成像,特别是非增强MR血管成像,可显示门静脉分支情况,有助于评估食管胃底静脉曲张破裂风险,发现早期预警指标。综合运用CT及MRI技术,深入研究其临床应用潜力,可以更好的发挥影像学在肝硬化门静脉高压诊断、病情评估及预后判断中的作用。
- 肝硬化 /
- 高血压,门静脉 /
- CT /
- 磁共振成像
Abstract: Portal hypertension is the most common complication of liver cirrhosis.Noninvasive radiological examinations have important values in evaluating liver parenchyma,collateral circulation,and esophagogastric variceal bleeding in liver cirrhosis.Computed tomography(CT) and magnetic resonance imaging(MRI) can reflect the changes in liver morphology,the density and signals of liver parenchyma,and hemodynamics and have important values in disease diagnosis and prognostic evaluation.CT and functional MRI,such as perfusion- weighted imaging,MR elastography,and MR diffusion- weighted imaging,can provide quantitative information and can be applied in the diagnosis of hepatic fibrosis and early- stage liver cirrhosis in clinical practice.CT angiography and MR angiography,especially unenhanced MR angiography,can show the condition of the branches of portal vein,which helps to evaluate the risk of esophagogastric variceal bleeding and detect the markers for early warning.A combination of CT and MRI and evaluation of their potential in clinical application can give full play to the role of radiological examinations in the diagnosis,evaluation,and prognostic analysis of cirrhotic portal hypertension.
- liver cirrhosis /
- hypertension /
- portal /
- CT

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参考文献(25)

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