Fig. 1

Radiographs of a 53-year-old woman with unilateral osteoarthritis secondary to hip pyogenic infection. a Preoperative anteroposterior view. b Postoperative imaging. Total hip arthroplasty is used to reconstruct the hip at the anatomical central level. c At 4-year follow-up, no radiolucent lines around the femoral stem were found. d At 7-year follow-up, no subsidence or loosening was found, and the femoral and acetabular components were considered to be stable