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Figure 7. (A) Coronal CT showing the characteristic “ring and arc” appearance of a chondroid matrix in chondrosarcoma; (B) CT
demonstrating “sunburst” periostitis and osteoid matrix typical of osteosarcoma. CT: Computed tomography.
Figure 8. Red arrow points to an osteoma in the left frontal sinus.
Figure 9. Coronal CT and MR images (left to right: T2 and post-contrast T1) of fibrous dysplasia showing the characteristic ground-glass
matrix on CT (arrow). CT: Computed tomography; MR: magnetic resonance.
