Tumours of the temporomandibular joint (TMJ) often mimic common conditions of the TMJ, such as TMJ dysfunction syndrome, leading to a delay in the diagnosis. Chondrosarcoma of the TMJ is a rare tumour, with only 18 cases described in the literature. The initial surgical attempt at removal is of important, as aggressive excision offers the best chance for successful treatment. Chondrosarcoma present at the surgical resection margins has a poor prognosis. We present a case of chondrosarcoma of the right TMJ. In our case, combined diagnostic techniques consisting of a panoramic radiograph, computed tomography (CT) and magnetic resonance imaging (MRI) made an accurate preoperative assessment possible and significantly influenced the treatment provided.
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