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Use of dual cup mobility technique with bone grafting for reconstruction of acetabular defect in hip sarcoma without stabilizing plates

1 College of Medicine, Dar Al Uloom University, Riyadh, Saudi Arabia
2 Reconstructive Orthopedic Department, King Fahad Medical City, Riyadh, Saudi Arabia

Correspondence Address:
Reema M Alhussein,
College of Medicine, Dar Al Uloom University, Riyadh
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmsr.jmsr_70_18

Acetabular reconstruction following malignancy is considered to be a difficult technique regarding the management of severe bone loss. We report a case of pleomorphic undifferentiated sarcoma involving the right femoral head extending to the acetabulum, in a patient presenting with deteriorating right hip pain. We investigated systemically and locally by radiographs, computed tomographic scan, magnetic resonance imaging, and bone scan. We used a modified extra-articular wide surgical resection of the proximal femur and acetabulum instead of classic extra-articular resection followed by reconstructed using cancellous bone chips and dual mobility cup without stabilizing plates. At 6-month follow-up, the allograft had united with the host bone, and radiographs showed satisfactory position and stability of the components. To the best of our knowledge, this scenario has not been reported in other literature. We recommend further studies to be performed in a larger number of patients with longer follow-up to confirm the satisfaction with impaction of bone grafting in a patient with hip sarcoma without stabilizing plates.

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