Imaging approach for jaw and maxillofacial bone tumors with updates from the 2022 World Health Organization classification

Figure 23  Osteosarcoma. A 24-year-old man with a 2-year history of progressive soreness and swelling over the right palate. A-C: Axial (A) and coronal (B and C) computed tomography images show an expansile, irregular, densely sclerotic lesion with aggressive periosteal reaction (arrows). The lesion causes displacement of a tooth (arrowhead). There are multiple, large, densely calcified, bilateral cervical lymph nodes, consistent with metastatic lymph nodes (blue arrows). Pathology confirmed osteosarcoma following resection.