Navigation-Assisted Total Knee Arthroplasty for Osteoarthritis with Extra-Articular Femoral Deformity and/or Retained Hardware
Figure 1
Case 1: preoperative anteroposterior standing radiograph (a) showed an extra-articular valgus deformity (11°) in the femoral shaft. Lateral view (b) revealed 23° antecurvatum deformity in the sagittal plane. Postoperative anteroposterior standing radiograph (c) demonstrated restored mechanical axis. In lateral view (d), femoral component was placed according to the intraoperative navigation data.
