1. Treatment of Aneurysmal Bone Cysts of the Pelvis and Sacrum by Panayiotis J. Papagelopoulos, Sambhu N. Choudhury, Frank J. Frassica, Jeffrey R. Bond, K. Krishnan Unni, and Franklin H. Sim J Bone Joint Surg Am Volume 83(11):1674-1681 November 1, 2001 ©2001 by The Journal of Bone and Joint Surgery, Inc.

2. Distribution of the forty aneurysmal bone cysts of the pelvis. Panayiotis J. Papagelopoulos et al. J Bone Joint Surg Am 2001;83:1674-1681 ©2001 by The Journal of Bone and Joint Surgery, Inc.

3. Figs. 2-A, 2-B, and 2-C A ten-year-old girl with an extensive aneurysmal bone cyst of the left ilium and acetabulum. Panayiotis J. Papagelopoulos et al. J Bone Joint Surg Am 2001;83:1674-1681 ©2001 by The Journal of Bone and Joint Surgery, Inc.

4. Preoperative computed tomography scan, showing the destructive lesion and the dislocation of the left hip. Panayiotis J. Papagelopoulos et al. J Bone Joint Surg Am 2001;83:1674-1681 ©2001 by The Journal of Bone and Joint Surgery, Inc.

5. Radiograph made four months after excision-curettage and bone-grafting, showing reduction of the left hip joint. Panayiotis J. Papagelopoulos et al. J Bone Joint Surg Am 2001;83:1674-1681 ©2001 by The Journal of Bone and Joint Surgery, Inc.

6. Figs. 3-A, 3-B, and 3-C A twenty-six-year-old woman with an aneurysmal bone cyst of the right pubis and acetabulum.Fig. 3-A Preoperative radiograph of the right hip, showing an expansile lesion of the right pubis and the anterior column of the acetabulum as... Panayiotis J. Papagelopoulos et al. J Bone Joint Surg Am 2001;83:1674-1681 ©2001 by The Journal of Bone and Joint Surgery, Inc.

7. Preoperative computed tomography scan showing an expansile lesion of the anterior and medial walls of the acetabulum. Panayiotis J. Papagelopoulos et al. J Bone Joint Surg Am 2001;83:1674-1681 ©2001 by The Journal of Bone and Joint Surgery, Inc.

8. Radiograph of the right hip, made after preoperative selective arterial embolization, excision- curettage of the lesion, and hip arthrodesis with use of a cobra plate and screws. Panayiotis J. Papagelopoulos et al. J Bone Joint Surg Am 2001;83:1674-1681 ©2001 by The Journal of Bone and Joint Surgery, Inc.