Benign focal liver lesions, including cysts, hemangiomas, biliary hamartomas, and focal nodular hyperplasias may be found in up to 20% of the general population.1 The liver is also a frequent site of primary and secondary malignant lesions. Hepatocellular carcinoma is the most common primary malignancy, although metastatic malignant liver lesions are more common. Most metastatic lesions originate from colorectal malignancies.
The ability to non-invasively differentiate benign from malignant focal liver lesions significantly influences patient management. Dynamic gadolinium-enhanced magnetic resonance imaging, as part of a comprehensive liver MRI protocol, has emerged as an important tool for liver lesion detection and characterization, providing accurate diagnostic information without the use of ionizing radiation.
This lecture will provide a practical approach to MRI techniques for evaluating focal liver lesions and interpreting MR imaging findings, and will include a discussion of MRI contrast media currently available in the United States
1 Hussain SM, Semelka RC. Hepatic imaging: comparison of modalities.
Radiol Clin N Am. 2005;43:929-947.
Interpreting MR Imaging Findings of Focal Liver Lesions MRI Techniques for Evaluating Focal Liver Lesions |
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