Grading based on presence of subcapsular hematoma, or depth of laceration (from AAST.org) •Grade 1: least severe (<10% subcapsular hematoma, <1cm laceration) through to •Grade 5: shattered or completely de-vascularized spleen Module 5: Pediatric Blunt Abdominal and Chest Trauma CT scanning in pediatric patients 2 Liver & Spleen Blunt Injury