• Caroline Passaplan, Alexandre Simonin, and Emanuel Gautier.
• Orthopaedic Surgery, Cantonal Hospital of Fribourg (HFR), Chemin des Pensionnats 2, 1700, Fribourg, Switzerland.
• Arch Orthop Trauma Surg. 2020 Sep 1; 140 (9): 1163-1167.

BackgroundAcetabular fractures are uncommon in children and adolescents, mainly because of predominant cartilaginous component and strong surrounding ligaments. Although acetabular fractures at this age can lead to significant disability, there is no consensus regarding management, which continues to be controversial. Particularly, long-term outcome after operative management has not been evaluated.Case PresentationWe report a case of a 13-year-old boy skeletally immature who presented with an isolated acetabular fracture involving the posterior wall secondary to a traumatic hip dislocation. A Kocher-Langenbeck approach with a surgical luxation of the hip was used for reduction and mini-plate internal fixation of the fracture. Long-term (17-year) follow-up showed a good clinical outcome and a good congruence of the. The patient has bilateral beginning osteoarthritis due to a cam configuration of both hips CONCLUSION: We describe a case of successful operative management of an acetabulum fracture in a skelettaly immature child with a long-term follow-up. Aggressive management of this rare type of fractures may lead to durable positive outcome.

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