Fig. 4

A 55-year-old male patient with a right femoral neck fracture is classified in the FNS group. (a) Preoperative CT indicates a Pauwels type III right femoral neck fracture. (b,c) Postoperative anteroposterior and lateral X-rays show satisfactory fracture reduction. (d) Eighteen months post-operation, anteroposterior X-rays show fracture healing with femoral neck shortening and slight screw back-out (red arrow). CT confirms the fracture healing.