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Metastatic tumors of the oral cavity are relatively rare. We report a case of hepatocellular carcinoma with metastasis to the condylar head of the mandible as the initial manifestation. The patient was a 54-year-old man who had an elastic hard mass, measuring 40 × 35 mm, in the left preauricular region. Although the lesion was histopathologically diagnosed as metastatic hepatocellular carcinoma on a biopsy, a primary lesion was not initially detected in the liver. Enlargement of the primary lesion was detected 4 months after the first visit, and the final diagnosis was made. The size of the condylar head lesion was reduced by radiotherapy with 30 Gy. There has been no evidence of recurrence as of 1 year after radiotherapy.

A case of hepatocellular carcinoma with metastasis to the condylar head of the mandible as the initial manifestation