1. Chondrosarcoma of the Pelvis by Maya E. Pring, Kristy L. Weber, K. Krishnan Unni, and Franklin H. Sim J Bone Joint Surg Am Volume 83(11):1630-1642 November 1, 2001 ©2001 by The Journal of Bone and Joint Surgery, Inc.

2. A drawing illustrating the various types of pelvic resection. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

3. Figs. 2-A, 2-B, and 2-C A thirty-four-year-old man with a grade-II chondrosarcoma in the right sacroiliac region. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

4. Computed tomography scan of the pelvis, revealing a large soft-tissue mass extending anteriorly and posteriorly at the level of the right sacroiliac joint. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

5. Reconstruction after a type-I/S resection with laminectomy at the fourth and fifth lumbar vertebrae and decompression of the nerve roots. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

6. Figs. 3-A, 3-B, and 3-C A fifty-eight-year-old man with a grade-I chondrosarcoma arising from the right, anterior aspect of the pelvis. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

7. Computed tomography scan revealing the soft-tissue extension of the lesion toward the midline of the pelvis. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

8. Anteroposterior radiograph made four months after a type-II/III wide excision and reconstruction, showing a successful iliofemoral arthrodesis with use of a cobra plate and screws for fixation. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

9. Figs. 4-A, 4-B, and 4-C A seventy-year-old patient with a grade-I chondrosarcoma of the right acetabulum. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

10. Computed tomography scan showing the lesion confined primarily to the osseous acetabulum. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

11. The patient underwent a type-II/III resection and reconstruction with a saddle prosthesis. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

12. Kaplan-Meier survivorship curve with death due to disease as the end point, illustrating overall survival (and 95% confidence intervals) of patients who had chondrosarcoma of the pelvis. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

13. Kaplan-Meier survivorship curve illustrating the effect of tumor grade on overall survival of patients who had chondrosarcoma of the pelvis. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.

14. Kaplan-Meier survivorship curve illustrating the effect of the surgical margin of resection on survival free of local recurrence in patients who had chondrosarcoma of the pelvis. Maya E. Pring et al. J Bone Joint Surg Am 2001;83:1630- 1642 ©2001 by The Journal of Bone and Joint Surgery, Inc.