Fact-sheet: Blunt liver trauma
Updated on 09/17/2021 at 12:16 PM
View all RADEOS cases associated with this fact-sheet
Definition
Hepatic trauma due to direct blow, crush injury, or deceleration
Classification
AAST classification
Grade I:
- Capsular tear
- Superficial laceration <1cm in depth
- Subcapsular Hematoma <1cm
- Periportal infiltration/hypodensities
Grade II:
- Parenchymal laceration 1-3cm
- Subcapsular or intraparenchymal Hematoma 1-3cm
Grade III:
- Parenchymal laceration >3cm
- Subcapsular or centrohepatic Hematoma >3cm
Grade IV:
- Subcapsular or centrohepatic Hematoma >10cm
- Laceration involving 25-75% of a hepatic lobe or extending across 1-3 segments
Grade V:
- Major vascular injury
- Devascularization or laceration >75% of a lobe or >3 segments
