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LI-RADS version 2018 CT/MRI diagnostic table
| Arterial hyperenhancement (APHE) | No APHE | Non-rim APHE | ||||
|---|---|---|---|---|---|---|
| Observation size (mm) | < 20 | ≥ 20 | <10 | 10–19 | ≥20 | |
No. of additional major features:
|
None | LR-3 | LR-3 | LR-3 | LR-3 | LR-4 |
| One | LR-3 | LR-4 | LR-4 | LR-4/5* | LR-5 | |
| ≥ Two | LR-4 | LR-4 | LR-4 | LR-5 | LR-5 | |
Observations in this cell are categorized based on one additional major feature:
- LR-4 if enhancing capsule.
- LR-5 if non-peripheral washout or threshold growth.
