Fig. 2

Representative results with one patient who had undergone CAS-TKA for Ranawat type-II valgus arthritic knees and marked coronal femoral bowing. a This preoperative full-length standing scanogram of the lower extremity shows Ranawat type-II valgus arthritic knees with a mechanical anatomical axis of 193 and a 9° femoral valgus resection angle. b A postoperative radiograph showing complete restoration of limb alignment after undergoing CAS-TKA. c Eight years later, the limb remains in excellent alignment