Figure 2From: Dedifferentiated chondrosarcoma of the cervical spine: a case reportThe axial computed tomography (CT) image (a) demonstrated a soft-tissue mass with an amorphous ‘rings and arcs’ calcified matrix and destruction of the C2 lamina. The tumor at the C2 lamina was also observed in a CT image taken at two years before presentation (b) and the tumor was noted to have expanded during the follow up.Back to article page