Fig. 5From: The clinical and radiographic characteristics of avascular necrosis after pediatric femoral neck fracture: a systematic review and retrospective study of 115 patientsThe anteroposterior radiographs of Ratliff type I avascular necrosis after pediatric femoral neck fracture. Femoral neck fracture occurred at age of 12 years (a) and avascular necrosis were diagnosed 8 months later (b), and JIC type C2, presenting collapsed femoral headBack to article page