LI-RADS: Current Status and Future Directions
Sang Hyun Choi, Kathryn J. Fowler, Victoria Chernyak, Claude B. Sirlin
Abstract
The Liver Imaging Reporting and Data System (LI-RADS) is a comprehensive system that uses standardized terminology, technique, interpretation, reporting, and data collection for liver imaging.LI-RADS was initially introduced in 2011; since its release, the system has undergone multiple iterations, expanding to include four algorithms: the ultrasound (US) Surveillance algorithm for hepatocellular carcinoma (HCC) surveillance, contrast-enhanced US (CEUS) diagnostic algorithm for HCC diagnosis, CT/MRI diagnostic algorithm for HCC diagnosis and staging, and CT/MRI treatment response assessment (TRA) algorithm for evaluation following locoregional therapy.LI-RADS is led by a steering committee that approves new content, provides guidance for overall direction, and harmonizes with other clinical organizations, such as the American Association for the Study of Liver Disease (AASLD) and Organ Procurement and Transplantation Network (OPTN) [1].Eighteen working groups, with unique and