Iron-Containing Abdominal Pathologies: Exploiting Magnetic Susceptibility Artifact on Dual-Echo Gradient-Echo Magnetic Resonance Imaging
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Lippincott Williams and Wilkins
Abstract
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. © 2018 Wolters Kluwer Health, Inc. All rights reserved.
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Abdomen, Hemochromatosis, Hemorrhage, Iron, Mri, Abdominal cavity, Abdominal wall, Adrenal glands, Artifacts, Female, Hemosiderosis, Humans, Kidney, Liver, Magnetic resonance imaging, Male, Spleen, Magnetic susceptibility, Magnetism, Pathology, Resonance, Echo magnetic resonance, Echo time, Gradient echo, Haemochromatosis, Haemorrage, Iron deposition, Iron-containing, Signal-on, Susceptibility artifacts, Abdominal disease, Adrenal gland, Dual echo gradient echo magnetic resonance imaging, Hemolytic anemia, Human, Image artifact, Kidney cortex, Kidney hemorrhage, Kidney medulla, Liver cirrhosis, Liver nodule, Lymph node, Nuclear magnetic resonance imaging, Pancreas, Priority journal, Review, Siderosis, Artifact, Diagnostic imaging, Metabolism, Procedures