Internal hemipelvectomy and reconstruction for malignant primary acetabular tumors. A report of five cases

Five patients underwent hemipelvectomy and reconstruction for the treatment of a primary malignant tumor involving the acetabulum. There were no intraoperative complications and only one postoperative complication. All patients were ambulating within one week of surgery. During the follow up period which averaged 4 years, all patients remained ambulatory and pain-free, and none showed radiographic evidence of loosening or subsidence of the prosthesis or pins.