Liver trauma grading

參考: emedicine

• Grade 1:
• subcapsular hematoma < 1 cm thickness
• capsular avulsion
• superficial parenchymal laceration < 1 cm deep
• isolated periportal blood tracking
• Grade 2:
• Parenchymal laceration 1~3 cm deep
• Parenchymal / subcapsular hematoma 1~3 cm thickness
• Grade 3:
• Parenchymal laceration > 3 cm deep
• parenchymal / subcapsular hematoma > 3 cm in diameter
• Grade 4:
• Parenchymal / subcapsular hematoma > 10 cm in diameter
• lobar destruction or devasculariation
• Grade 5:
• Global destruction or devascularization of the liver