This article provides a practical approach for the use of contrast agents in liver magnetic resonance (MR) imaging. MR contrast agents improve the accuracy of detecting the exact number and location of focal liver lesions, which can help determine if a patient is eligible for resection or lesion ablation. The authors detail the three classes of MR contrast agents now available for liver imaging: extracellular agents, hepatocyte specific agents, and reticuloendothelial system specific agents.
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