20. Splenic laceration classification GRADE TYPE FINDINGS I Hematoma Subcapsular, < 10% surface area Laceration Capsular tear, < 1cm parenchymal depth II Hematoma Subcapsular, 10-50% surface area; intraparenchymal, <5cm in diameter Laceration 1-3cm parenchymal depth; trabecular vessels not involved III Hematoma Subcapsular, >50% surface area or expanding; ruptured subcapsular or parenchymal hematoma; intraparenchymal hematoma >5 cm or expanding Laceration >3cm parenchymal depth or involving trabecular vessels IV Laceration Involves segmental or hilar vessels producing major devascularization (>25% of spleen) V Laceration Completely shattered spleen Vascular Hilar vascular injury that devascularizes spleen Moore et al. Organ injury scaling: spleen and liver. J Trauma 1995
21. Grade I Hematoma Subcapsular, < 10% surface area Laceration Capsular tear, < 1cm parenchymal depth
22. Grade II Hematoma Subcapsular, 10-50% surface area; intraparenchymal, <5cm in diameter Laceration 1-3cm parenchymal depth; trabecular vessels not involved
23. Grade III Hematoma Subcapsular, >50% surface area or expanding; ruptured subcapsular or parenchymal hematoma; intraparenchymal hematoma >5 cm or expanding Laceration >3cm parenchymal depth or involving trabecular vessels
24. Grade IV Laceration Involves segmental or hilar vessels producing major devascularization (>25% of spleen)
25. Grade V Laceration Completely shattered spleen Vascular Hilar vascular injury that devascularizes spleen