Lexicon
LI-RADS Lexicon as of June 2021.
Main Content
LI-RADS
Quality assurance for CT and MR imaging for hepatocellular carcinoma (HCC).
Current Release
The LI-RADS Ultrasound covers everything needed to apply LI-RADS US Screening and Surveillance algorithm.
Download PDFLI-RADS® was created to standardize the reporting and data collection of CT and MR imaging for hepatocellular carcinoma. This method of categorizing liver findings for patients with risk factors for developing HCC allows the radiology community to:
- Apply consistent terminology.
- Reduce imaging interpretation variability and errors.
- Enhance communication with referring clinicians.
- Facilitate quality assurance and research.
LI-RADS CT/MRI and LI-RADS US are consistent with and integrated into the American Association for the Study of Liver Diseases (AASLD) 2018 hepatocellular carcinoma (HCC) clinical practice guidance.
LI-RADSDocuments
Surveillance
The LI-RADS Ultrasound covers everything needed to apply LI-RADS US Screening and Surveillance algorithm.
Diagnosis
LI-RADS CT/MRI v2018
Diagnosis
LI-RADS CEUS v2017
Treatment Response Assessment
LI-RADS CT/MRI Nonradiation TRA v2024 Core
Treatment Response Assessment
LI-RADS CT/MRI Radiation TRA v2024
Treatment Response Assessment
LI-RADS CEUS Nonradiation TRA v2024 Core
Treatment Response Assessment
LI-RADS CEUS Nonradiation TRA v2024 Manual
LI-RADS CT/MRIManual
Download the entire manual or individual chapters.
LI-RADS Introduction
Chapter 1
LI-RADS Populations: Surveillance, Diagnosis, Staging Treatment Response
Chapter 2
Liver Anatomy
Chapter 3
Cirrhosis
Chapter 4
Cirrhosis-Associated Lesions and Pseudolesions
Chapter 5
Hepatocarcinogenesis
Chapter 6
The LI-RADS Observation
Chapter 7
LI-RADS Diagnostic Categories
Chapter 8
LI-RADS Treatment Response
Chapter 9
Staging
Chapter 10
Management
Chapter 11
LI-RADS Technique
Chapter 12
Hepatobiliary Agents
Chapter 13
LI-RADS Reporting
Chapter 14
Benign Entities
Chapter 15
Imaging Features
Chapter 16
Putting LI-RADS to Work
Request Permission for LI-RADS
License Information
Reporting and Data Systems (RADS) by the American College of Radiology are licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License. Permissions beyond the scope of this license may be available by using our permission form. Contact us: rads@acr.org