Resection of proximal femur with endoprosthetic reconstruction. A, Anteroposterior radiograph of malignant fibrous histiocytoma in proximal femur of 43-year-old woman. B, Proximal femur was resected with wide margins through lateral approach. C, Prosthesis cemented into femur and bipolar component reduced into acetabulum. D, Abductors and vastus lateralis repaired through holes in prosthesis. E, Postoperative anteroposterior radiograph.