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A 69-year-old woman presented with complaints of tingling sensation over the right side of her lower lip for the last 5 months and a progressively increasing swelling over the right cheek for the last 2 months. On clinical examination, an ill-defined, non-tender mass with bony hard consistency was noted in the right body of mandible, which was fixed to underlying bone. She underwent a contrast-enhanced CT (face and neck), which revealed a mixed lytic–sclerotic lesion with poorly circumscribed margins situated in the body of the mandible on the right side along with a sunburst periosteal reaction (figure 1). A contrast-enhanced MRI (face and neck) further revealed bone marrow oedema adjacent to the lesion (figure 1). A biopsy from the lesion suggested a diagnosis of chondrosarcoma and a systemic staging evaluation was normal.