1. Reliability and Intraoperative Validity of Preoperative Assessment of Standardized Plain Radiographs in Predicting Bone Loss at Revision Hip Surgery by Khaled J. Saleh, Jeremy Holtzman, Amiram Gafni, Lena Saleh, Aileen Davis, Scott Resig, and Allan E. Gross J Bone Joint Surg Am Volume 83(7):1040-1046 July 1, 2001 ©2001 by The Journal of Bone and Joint Surgery, Inc.

2. Schematic drawing of a type-II acetabulum, which has contained loss of bone stock consisting of cavitary enlargement of the acetabulum but no wall deficiency. Khaled J. Saleh et al. J Bone Joint Surg Am 2001;83:1040- 1046 ©2001 by The Journal of Bone and Joint Surgery, Inc.

3. Schematic drawing of a type-III acetabulum, which has uncontained loss of bone stock consisting of <50% segmental loss of the acetabulum. Khaled J. Saleh et al. J Bone Joint Surg Am 2001;83:1040- 1046 ©2001 by The Journal of Bone and Joint Surgery, Inc.

4. Schematic drawing of a type-IV acetabulum, which has uncontained loss of bone stock consisting of >50% segmental loss affecting both the anterior and the posterior column. Khaled J. Saleh et al. J Bone Joint Surg Am 2001;83:1040- 1046 ©2001 by The Journal of Bone and Joint Surgery, Inc.

5. Schematic drawing of a type-V acetabulum, which has uncontained loss of bone stock in association with pelvic discontinuity. Khaled J. Saleh et al. J Bone Joint Surg Am 2001;83:1040- 1046 ©2001 by The Journal of Bone and Joint Surgery, Inc.

6. Fig. 5 Schematic drawing of a type-II femur, which has contained loss of bone stock with cortical thinning. Khaled J. Saleh et al. J Bone Joint Surg Am 2001;83:1040- 1046 ©2001 by The Journal of Bone and Joint Surgery, Inc.

7. Fig. 6 Schematic drawing of a type-III femur, which has uncontained loss of bone stock that is noncircumferential or, if it is circumferential, that is proximal, <5 cm in length, and does not extend into the diaphysis. Khaled J. Saleh et al. J Bone Joint Surg Am 2001;83:1040- 1046 ©2001 by The Journal of Bone and Joint Surgery, Inc.

8. Fig. 7 Schematic drawing of a type-IV femur, which has uncontained circumferential loss of bone stock >5 cm in length and distal to the lesser trochanter. Khaled J. Saleh et al. J Bone Joint Surg Am 2001;83:1040- 1046 ©2001 by The Journal of Bone and Joint Surgery, Inc.

9. Schematic drawing of a type-V femur, which has a periprosthetic fracture with circumferential loss of bone stock proximal to the fracture. Khaled J. Saleh et al. J Bone Joint Surg Am 2001;83:1040- 1046 ©2001 by The Journal of Bone and Joint Surgery, Inc.