Spleen trauma grading

參考：emedicine

• Grade I:
• subcapsular hematoma < 10% 表面積
• Capsular tear 深度 < 1 cm
• Grade II:
• Subcapsular hematoma 10~50 % 表面積
• Intraparenchymal hematoma 直徑 < 5cm
• Laceration 深度1~3 cm，無trabecular vessel involvement
• Grade III:
• Subcapsular hematoma > 50 % 表面積，或expanding and ruptured subcapsular / parenchymal hematoma
• intraparenchymal hematoma > 5 cm 或expanding
• Laceration 深度> 3 cm或involve到trabecular vessel
• Grade IV:
• Laceration involve到segmental 或hilar vessels + > 25% devascularization
• Grade V:
• Shattered spleen or hilar vascular injury