A Distal Femoral Salter-Harris IV Fracture Secondary to a Motocross Accident: A Case Report.

High-grade physeal fractures, such as Salter-Harris types III, IV, and V fractures, are rare pediatric injuries observed disproportionately in teenage males. Such fractures are at high risk for complications such as growth retardation and arrest, arthrofibrosis, and post-traumatic arthritis. Consultation with the orthopedic specialist is imperative to ensure appropriate imaging, management, and potential transfer to a pediatric specialty hospital.