Ultrasonography.
2020 Jul;39(3):221-228. 10.14366/usg.19052.
LI-RADS ancillary features on contrast-enhanced ultrasonography
- Affiliations
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- 1Department Allgemeine Innere Medizin (DAIM), Kliniken Beau Site, Salem und Permanence, Hirslanden, Bern, Switzerland
- 2Ultrasound Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- 3Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
- 4Department of Medicine and Radiology, University of California, San Diego, CA, USA
- 5Department of Medical Imaging, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
- 6Department of Radiology, University of California San Diego, San Diego, CA, USA
- 7Department of Medical Ultrasound, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- 8Department of Radiology, Université de Montréal, Montreal, Canada
- KMID: 2503189
- DOI: http://doi.org/10.14366/usg.19052
Abstract
- The Liver Imaging Reporting and Data System (LI-RADS) was created to standardize liver imaging in patients at high risk for hepatocellular carcinoma (HCC), and it uses a diagnostic algorithm to assign categories that reflect the relative probability of HCC, non-HCC malignancies, or benign focal liver lesions. In addition to major imaging features, ancillary features (AFs) are used by radiologists to refine the categorization of liver nodules. In the present document, we discuss and explain the application of AFs currently defined within the LI-RADS guidelines. We also explore possible additional AFs visible on contrast-enhanced ultrasonography (CEUS). Finally, we summarize the management of CEUS LI-RADS features, including the role of current and potential future AFs.
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