Recurrent malignant melanoma of the palate successfully treated by gamma knife radiosurgery
2013
The prognosis of oral malignant melanoma is reported to be extremely poor. In this report, a patient with recurrent oral melanoma in the skull base that was successfully treated by gamma knife radiosurgery (GKS) is described. A 53-year-old man was referred with a chief complaint of a mass of the hard palate. The histological diagnosis of a biopsy specimen was malignant melanoma. He underwent a wide local resection with bilateral neck dissection, followed by immunochemotherapy with DAV-Feron. At 13 months postoperatively, a recurrent tumor was found in the posterior lower region of the nasal septum. The patient underwent resection of the lesion, followed by immunochemotherapy with DAC-Tam-Feron. However, at 9 months after the last chemotherapy, local recurrence occurred again in the skull base, and he underwent GKS. The recurrent tumor disappeared completely and he is well with no signs of recurrence or metastasis at 57 months after GKS.
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