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Home > Articles > Organ Injury Scaling - Liver

Grade Injury Description AIS-90
I Haematoma Subcapsular, <10% surface area 2
Laceration Capsular tear, <1cm parenchymal depth 2
 
II Haematoma Subcapsular, 10-50% surface area 2
Intraparenchymal, <10cm diameter 2
Laceration 1-3cm parenchymal depth, <10cm length 2
 
III Haematoma Subcapsular, >50% surface area or expanding. Ruptured subcapsular or parenchymal haematoma 3
Intraparenchymal haematoma >10cm or expanding 3
Laceration >3cm parenchymal depth 3
 
IV Laceration Parenchymal disruption involving 25-75% of hepatic lobe or 1-3 Coinaud's segments in a single lobe 4
 
V Laceration Parenchymal disruption involving >75% of hepatic lobe or >3 Coinaud's segments within a single lobe 5
Vascular Juxtahepatic venous injuries ie. retrohepatic vena cava/central major hepatic veins 5
 
VI Vascular Hepatic Avulsion 6
 
Advance one grade for multiple injuries to same organ up to Grade III.

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