Volume 2, Issue 4, Pages (December 2016)

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Volume 2, Issue 4, Pages 183-186 (December 2016) Bilateral pelvic discontinuity: a unique condition characterized by high failure rates of current treatment John R. Martin, MD, Ian Barrett, MD, Rafael J. Sierra, MD, David G. Lewallen, MD, Daniel J. Berry, MD Arthroplasty Today Volume 2, Issue 4, Pages 183-186 (December 2016) DOI: 10.1016/j.artd.2015.12.004 Copyright © 2016 The Authors Terms and Conditions

Figure 1 (a) AP pelvis radiograph demonstrating BPD. (b) Postoperative AP pelvis radiograph after revision to a cup cage construct of the left hip. (c) Postoperative AP pelvis radiograph after revision to an uncemented cup with superior augment of the right hip 3 months after the left hip revision. (d) AP pelvis radiograph 10 months after left hip revision demonstrating continued BPD and bilateral acetabular component loosening. Arthroplasty Today 2016 2, 183-186DOI: (10.1016/j.artd.2015.12.004) Copyright © 2016 The Authors Terms and Conditions

Figure 2 AP pelvis radiograph of a patient who subsequently failed revision surgery of both hips in the setting of BPD. The proposed mechanism was continued motion through the contralateral discontinuity. The yellow arrows indicate the proposed location of continued motion. Also note “pseudonormalization” of the obturator rings secondary to BPD. Arthroplasty Today 2016 2, 183-186DOI: (10.1016/j.artd.2015.12.004) Copyright © 2016 The Authors Terms and Conditions