Figure 1
From: Giant cell tumor of axial vertebra: surgical experience of five cases and a review of the literature
Preoperative view: radiograph characteristics of the pathological axial vertebra (C2). Expansile osteolysis of the axial vertebra with giant cell tumors (GCTs) and intact cortical bone of the axial vertebra affected (A, B). Pathological fractures of the odontoid process and sub-dislocation of the atlantoaxial vertical joint (C, D). GCTs invaded the cortical bone of the axial vertebra (C2) and a soft tissue mass was seen around (C).