Abstract
Metastasis to the lateral retropharyngeal lymph nodes frequently occurs in nasopharyngeal cancers; however, it is very rare in oral carcinomas. This report describes a case of recurrent carcinoma of the lower alveolus with metastasis to retropharyngeal lymph nodes. The patient was an 84-year-old woman who underwent radical neck dissection with marginal resection of the right side of the mandible for a squamous cell carcinoma arising in the lower gingiva (T 2 N 1 M 0). Twenty-five months after the operation, she complained of a mass with ulceration in the floor of the mouth. A smear of the ulcer proved tumor recurrence. Computed tomography and magnetic resonance imaging showed that the mass invaded the tongue, with metastasis to the submental and bilateral metastases to the retropharyngeal lymph nodes. The patient and her family refused salvage treatment. She died of tumor 6 months after recurrence.
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