Liver Laceration Grading

Grade 1
  • capsular laceration < 1cm deep
  • subcapsular hematoma < 10% of liver
Grade 2
  • capsular laceration 1-3cm deep
  • subcapsular hematoma 10-50 %
  • intraparenchymal hematoma < 10cm diameter
Grade 3
  • laceration > 3cm deep
  • subcapsular hematoma > 50% or ruptured with blush
  • intraparenchymal hematoma > 10cm diameter
Grade 4
  • laceration of 25-75% of lobes
  • rupturedintraparenchymal hematoma with blush
Grade 5
  • laceration of >75% of lobes
  • vascular injury
Grade 6
  • hepatic avulsion