Type | Finding |
I | 5% isolated to growth plate with epiphyseal separation no adjacent bone fracture fracture line passes through hypertrophic layer of physis |
II | 75% fracture splits growth plate, extends into metaphysis, separating a small fragment of bone secondary to shearing or avulsive forces seen in children 10-16 years of age |
III | 10% fracture line passes through epiphysis, then horizontally across growth plate most common in distal tibia in children 10-15 years of age |
IV | 10% vertically orientated fracture, involving both epiphysis and metaphysis, crossing growth plate most common in distal humerus and tibia |
V | <1% results from compressive force, crushing the growth plate can cause subsequent deformity often diagnosed retrospectively when growth arrest is discovered at a later date |
