title: A case report of the management and the outcome of a complete epiphyseal separation and dislocation with left anterior column fracture of the acetabulum.
abstract: BACKGROUND
  Femoral head and neck fractures in children are uncommon, accounting for fewer than 1% of all pediatric fractures and fewer than 8% of all hip fractures. Furthermore, traumatic transphyseal hip fracture is rare to present in daily practice especially when associated with an acetabular fracture.
  
  
  METHODS
  A twelve years old boy, not known to have any chronic illnesses, presented to the emergency department as a case of polytrauma after a road traffic accident. Signs of left hip dislocation were discovered upon physical examination. X-rays and CT scans, revealed a complete transphyseal posterior dislocation and a left anterior column fracture of the acetabulum with a minimal displacement. Within five hours, the patient underwent open reduction and internal fixation by two cannulated screws. The acetabular fracture was managed conservatively. After six months, there were clear signs of osteonecrosis of the femoral head.
  
  
  CONCLUSIONS
  A high-energy trauma in children and adolescents can lead to simultaneous epiphyseal and acetabular fractures which are associated with a poor prognosis. The age seems to play a role as patients older than ten years have a higher risk of developing AVN after sustaining a hip dislocation regardless of the time of intervention.
  
  
  CONCLUSIONS
  Epiphyseal fracture with dislocation of the femoral head is rare among children and adolescents, especially when associated with an acetabular fracture. AVN in such cases can develop, and it represents a challenge to orthopedic surgeons due to the poor prognosis and the future functional limitations of the joint.
authors.affiliation: King Saud Medical City, Riyadh, Saudi Arabia. Electronic address: jesus_palencia@yahoo.es.
authors.forename: Jesús
authors.initials: J
authors.lastname: Palencia
authors.affiliation: King Saud Medical City, Riyadh, Saudi Arabia. Electronic address: Alfayezsaud@gmail.com.
authors.forename: Saud
authors.initials: S
authors.lastname: Alfayez
authors.affiliation: King Saud Medical City, Riyadh, Saudi Arabia. Electronic address: Fras_serro@hotmail.com.
authors.forename: Firas
authors.initials: F
authors.lastname: Serro
authors.affiliation: King Saud Medical City, Riyadh, Saudi Arabia. Electronic address: dr-albishri@hotmail.com.
authors.forename: Jamal
authors.initials: J
authors.lastname: Alqahtani
authors.affiliation: King Saud Medical City, Riyadh, Saudi Arabia. Electronic address: hani.4499@hotmail.com.
authors.forename: Hani
authors.initials: H
authors.lastname: Alharbi
authors.affiliation: King Saud Medical City, Riyadh, Saudi Arabia. Electronic address: dr-hamed-alhinai@hotmail.com.
authors.forename: Hamed
authors.initials: H
authors.lastname: Alhinai
keywords: Accidents; Acetabulum; Epiphysiolysis; Hip dislocation; Osteonecrosis