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Successful Nonsurgical Management of a Posteriorly Displaced Medial Clavicular Physeal Fracture in an Adolescent Athlete: A Case Report.

Traumatic and sport-related sternoclavicular (SCJ) injuries in adolescent athletes are more commonly physeal fractures rather than true SCJ dislocations. Although rare, posterior displacement of the medial clavicular metaphysis after a physeal fracture necessitates prompt evaluation and treatment. Despite the inherent healing ability of physeal separations, delayed or failed diagnosis has the capacity to cause serious complications or fatality secondary to injury of retrosternal structures. Even with the potential severity, a lack of consensus exists in the literature regarding the most appropriate treatment modality. We report an adolescent football player with a medial clavicular physeal fracture with posterior metaphyseal displacement abutting the left brachiocephalic vein. After nonsurgical management and progression to play, the patient returned to play football. This case not only highlights the diagnostic principles of medial clavicular physeal fractures with posterior metaphyseal displacement but also discusses how these challenging injuries can be managed successfully with conservative treatment.