(a) Sagittal, (b) coronal and (c) axial CT-scan reformations of the upper cervical spine in a 30-year-old woman, showing the mixed appearance of the C2 vertebral body with a ground-glass appearance and osteolytic areas in the base of the odontoid process with a pathologic fracture (thin arrow) and in the inferior part of the vertebral body with partial destruction of the inferior endplate (thick arrow).