1. Primary Total Hip Arthroplasty with Use of the Modular S- ROM Prosthesis. Four to Seven-Year Clinical and Radiographic Results* by MICHAEL J. CHRISTIE, DAVID K. DEBOER, LORENCE W. TRICK, JOHN C. BROTHERS, RICHARD E. JONES, GUY T. VISE, and THOMAS A. GRUEN J Bone Joint Surg Am Volume 81(12):1707-16 December 1, 1999 ©1999 by The Journal of Bone and Joint Surgery, Inc.

2. Fig. 1 Photograph showing a three-piece S-ROM femoral component made of titanium alloy except for the head, which is cobalt-chromium. MICHAEL J. CHRISTIE et al. J Bone Joint Surg Am 1999;81:1707-16 ©1999 by The Journal of Bone and Joint Surgery, Inc.

3. Fig. 2 Illustration showing the scores for pain13. MICHAEL J. CHRISTIE et al. J Bone Joint Surg Am 1999;81:1707-16 ©1999 by The Journal of Bone and Joint Surgery, Inc.

4. Fig. 3 Illustration showing the Harris hip scores13. MICHAEL J. CHRISTIE et al. J Bone Joint Surg Am 1999;81:1707-16 ©1999 by The Journal of Bone and Joint Surgery, Inc.

5. Fig. 4 Anteroposterior radiograph of the left hip of a fifty-six-year-old patient, made four years after a total hip arthroplasty, showing a subtle decrease in radiodensity at the proximal-medial calcar region (arrow), which is indicative of adaptive bone-r... MICHAEL J. CHRISTIE et al. J Bone Joint Surg Am 1999;81:1707-16 ©1999 by The Journal of Bone and Joint Surgery, Inc.

6. Fig. 5 Anteroposterior radiograph of the right hip of a seventy-three-year-old patient, made five years after a total hip arthroplasty, showing so-called spot-welding (arrows) at the inferior margins of the sleeve of the S-ROM prosthesis. MICHAEL J. CHRISTIE et al. J Bone Joint Surg Am 1999;81:1707-16 ©1999 by The Journal of Bone and Joint Surgery, Inc.