Figure 1.

A patient who underwent epiphyseal preservation surgery. (A) A preoperative MRI image shows the tumor not reaching the physis. (B) An external fixator with a T-shaped piece for the epiphysis pins is attached for physeal distraction in the leg of a patient with malignant bone tumor. (C) An X-ray image shows the separation of the epiphysis from the metaphysis (white arrow). (D) An anteroposterior and lateral X-ray image shows the situation of a patient 6 months following tumor resection and reconstruction of the defect with allograft bone graft. (E) An anteroposterior and lateral X-ray image shows the situation of the same patient 2 years following tumor resection and reconstruction of the defect with allograft bone graft. MRI, magnetic resonance imaging.