Iron-Containing Abdominal Pathologies: Exploiting Magnetic Susceptibility Artifact on Dual-Echo Gradient-Echo Magnetic Resonance Imaging

被引：1

作者：

Thomas, Aaron J. ^{[1
]}

Morani, Ajaykumar C. ^{[2
]}

Liu, Peter S. ^{[3
]}

Weadock, William J. ^{[4
]}

Hussain, Hero K. ^{[5
]}

Elsayes, Khaled M. ^{[2
]}

机构：

[1] Baylor Coll Med, Dept Radiol, Houston, TX 77030 USA

[2] Univ Texas MD Anderson Canc Ctr, Dept Radiol, 1515 Holcombe Blvd,Unit 1473, Houston, TX 77030 USA

[3] Cleveland Clin, Dept Radiol, Cleveland, OH 44106 USA

[4] Univ Michigan, Dept Radiol, Ann Arbor, MI 48109 USA

[5] Amer Univ Beirut, Dept Radiol, Beirut, Lebanon

来源：

JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY | 2019年 / 43卷 / 02期

关键词：

abdomen; hemochromatosis; hemorrhage; iron; MRI; CIRRHOTIC LIVER; MRI FEATURES; DEPOSITION; SPLEEN; QUANTIFICATION; THALASSEMIA; PRINCIPLES; DISORDERS; DIAGNOSIS; KIDNEYS;

D O I：

10.1097/RCT.0000000000000808

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

A multitude of pathologic entities involve abnormal iron deposition in the abdomen. These lesions demonstrate decreased signal on longer magnetic resonance sequences with longer echo time due to T2* effect. Dual-echo gradient-echo sequences demonstrate increased susceptibility artifact with longer echo sequences. In this article, the spectrum of iron-containing abdominal pathologies is illustrated, with their characteristic distributions. Included is a brief discussion of the physics of magnetic resonance imaging of iron-containing lesions.

引用

页码：165 / 175

页数：11

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