The American journal of orthopedics
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The characteristic pattern of fusion of distal tibial epiphysis explains the special configuration of the fragments in the triplane fracture and the "juvenile" fracture of Tillaux in adolescents. The application of external rotation force produces Tillaux and triplane fractures of the lateral portion of the distal tibial epiphysis in patients with a mean age of 13.5 years. Eight patients, 13 to 15 years of age, with distal tibial epiphyseal fractures were treated in the last 12 years. ⋯ Objective evaluation included clinical assessment and radiographic evaluation. All patients regained full range of motion and no one complained of pain or joint stiffness. Radiographs confirmed that all fractures have healed without articular incongruity.