e246 Spindle Length Does Not Impact Aseptic and Mechanical Failure Rates in Endoprostheses Using Compressive Osteointegration: A Multi-Institutional Study

e247 Cemented versus Press-Fit Acetabular Fixation in Oncologic Reconstruction

e248 Does Adding Calcium Sulfate Beads Lead to Higher Treatment Success Rates? A Study of 55 Patients with Oncologic Megaprosthesis Prosthetic Joint Infections

e249 Short- and Long-Term Complications of Total Knee Arthroplasty and Total Hip Arthroplasty in Patients with History of Malignant Neoplasms of Bone: A Database Study

e250 Postoperative Outcomes of Total Femur Replacement in Oncologic and Non-Oncologic Patients: A Systematic Review of the Literature