1. Osteolysis in Association with a Total Hip Arthroplasty with Ceramic Bearing Surfaces* by TAEK RIM YOON, SUNG MAN ROWE, SUNG TAEK JUNG, KWANG JIN SEON, and WILLIAM J. MALONEY J Bone Joint Surg Am Volume 80(10):1459-67 October 1, 1998 ©1998 by The Journal of Bone and Joint Surgery, Inc.

2. Figs. 1-A through 3-B: Radiographs made after total hip arthroplasties with a ceramic-on- ceramic articulation. TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

3. Fig. 1-B: Nine years after the index operation, there is osteolysis around the acetabular component (arrows) and a linear pattern of osteolysis around the femoral component (arrows). TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

4. Fig. 2-A: Radiograph made one year after the index operation. TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

5. Fig. 2-B: Nine years after the index operation, there is osteolysis around the acetabular component (arrows) and an expansile pattern of osteolysis in the calcar region adjacent to the femoral component (arrows). TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

6. Fig. 3-A: Radiograph made immediately postoperatively. TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

7. Fig. 3-B: Seven years after the index operation, there is an expansile pattern of osteolysis in the diaphysis of the femur (arrows). TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

8. Figs. 4-A and 4-B: A damaged alumina-ceramic femoral head that was removed seven years after implantation. TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

9. Fig. 4-B Scanning electron micrograph showing cracking of the surface with wear marks on the left side and a normal surface finish on the right side. TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

10. Fig. 5-A Photomicrograph of a specimen from an acetabular membrane, demonstrating abundant ceramic debris (arrows) (hematoxylin and eosin, x 100). TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

11. Fig. 5-B Photomicrograph of a specimen from a femoral membrane, demonstrating abundant ceramic debris (arrows) (hematoxylin and eosin, x 320). TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

12. Fig. 5-C Scanning electron micrograph demonstrating numerous irregularly shaped phagosomes of various sizes containing electron-dense material (arrows) within the cytoplasm of a macrophage. TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.

13. Fig. 6 Scanning electron micrograph showing ceramic wear particles after tissue digestion (x 5000). TAEK RIM YOON et al. J Bone Joint Surg Am 1998;80:1459- 67 ©1998 by The Journal of Bone and Joint Surgery, Inc.