Pediatric Traumatic Hip Dislocation

  • Etiology: High impact trauma such as in a motor vehicle collision with hip dislocation occuring posteriorly as a result of the knee hitting the dashboard with the hip in flexion
  • Imaging Radiograph: Posterior hip dislocation
  • Imaging CT: Done to look for entrapped fragments in hip joint
  • DDX:
  • Complications: Entrapped fragments in hip joint
  • Treatment: Reduction of dislocation
  • Clinical: Uncommon

Radiology Cases of Traumatic Hip Dislocation

Radiograph of posterior hip dislocation
AP radiograph of the pelvis (on a trauma board) shows the right femoral head to be dislocated posteriorly.
Radiograph of traumatic hip dislocation
AP radiograph of the pelvis shows the right femoral head to be dislocated posteriorly out of the right acetabulum. There is also a fracture of the posterior wall of the right acetabulum.
Radiograph of traumatic hip dislocation
AP radiograph of the pelvis shows the right femoral head to be dislocated laterally and posteriorly.