Fig. 3a–bFrom: Reconstruction of the rotation center of the hip after oblong cups in revision total hip arthroplastyRadiographs of a 75-year-old-man, case 23. a Postoperative radiograph after acetabular reconstruction using a BOFOR cup. b Appearance of a complete radiolucent line and a slight change in the position of the cup at four years (the patient used a cane and related mild groin pain)Back to article page