Rebuilding the Pelvis: Custom Sacroiliac Joint Replacement after Giant Cell Tumor Resection

A Custom Sacroiliac Joint Replacement: Restoring Pelvic Stability after Giant Cell Tumor Resection

Large tumors of the pelvis, particularly those extending into the sacrum, pose extraordinary surgical challenges. Biological reconstructions are often not feasible due to the size of the defect, the involvement of neurovascular and sacral structures, and the need for stable fixation. Custom-made implants, enhanced with TrabecuLink® surfaces for reliable
osseointegration, can provide functional reconstruction while preserving uninvolved structures. This case report presents the design and successful implantation of a patientspecific sacroiliac joint replacement following resection of a giant cell tumor.

Preserving the Hip: Resection with Function in Mind

Tailored Implant Strategy:


Clinical Outcome

Discussion and Conclusion


Clinical Implications

Careful planning, patient-specific guides, and the application of advanced implant technologies resulted in successful reconstruction and early mobilization. Thus, customized sacroiliac joint replacements represent a valuable option in highly complex tumor cases where conventional implants are insufficient. They enable the preservation of anatomy, restoration of stability, and functional recovery.

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