... its use in fixation of periprosthetic fractures of the femur in THA, and the use of the system in augmentation of other forms of fracture fixation, emphasizing its value in the treatment of fractures ... 47small incision 18 4Southwick intertrochanteric osteotomy 71 Southwick procedure 7stage 12 6staging 10 6steroid 11 8, 12 6steroid-induced osteonecrosis 97, 10 0 10 1, 10 3strategy of treatment ... osteotomy 32three-dimensional osteotomy 47time-saving surgery 12 5, 13 3tissue engineering 11 1total hip arthroplasty (THA) 10 1, 12 2, 12 3, 18 4, 18 6, 205, 2 21 transtrochanteric anterior rotational osteotomy...