LI-RADS
***THRESHOLD GROWTH***
<6 months: >50% diameter increase
An Ancillary Feature (AF) favoring malignancy which can not be used to upgrade to LR-5.
- New > 10 mm observations in < 24 months
- >100% diameter increase > 6 months apart
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Seen on Ultrasound:
LI-RADS 2, 3, 4 should include a diagnostic recommendation below.
American College of Radiology. Liver Imaging Reporting and Data System version 2014. Accessed December 2014, from http://www.acr.org/Quality-Safety/Resources/LIRADS.
Wald C, et al. New OPTN/UNOS Policy For Liver Transplant Allocation: Standardization of Liver Imaging, Diagnosis, Classification, and Reporting of Hepatocellular Carcinoma. Radiology 2013; 266: 376-382.
