Acetabular fractures represent between 1 and 15% of pelvic fractures in children. The early closure  of the triradiate cartilage is one of its complications that can lead to a secondary acetabular dysplasia, so the chances are higher the lower the child's age at the time of the injury. The case of a child of 14 years old who suffer a traffic accident is described. He presents, among other injuries, a left acetabular background fracture, with non surgical treatment. After 13 years of follow-up, there is a persistent defect of closure of the triradiate cartilage.

Acetabular fractures represent between 1 and 15% of pelvic fractures in children. The early closure  of the triradiate cartilage is one of its complications that can lead to a secondary acetabular dysplasia, so the chances are higher the lower the child's age at the time of the injury. The case of a child of 14 years old who suffer a traffic accident is described. He presents, among other injuries, a left acetabular background fracture, with non surgical treatment. After 13 years of follow-up, there is a persistent defect of closure of the triradiate cartilage.