Fig. 3From: A single centre study of 41 cases on the use of porous tantalum metal implants in acetabular revision surgerya Preoperative anteroposterior radiograph in a 34-year-old patient who underwent total hip arthroplasty THA for severe dysplastic osteoarthritis and presented with aseptic loosening of the polyethylene cup. b Anteroposterior radiograph of the same patient 5 years postoperatively, with a trabecular metal wedge and shellBack to article page