Gamma Knife radiosurgery for skull base metastasis and invasion.


We treated 18 patients with skull base metastasis or invasion using Gamma Knife radiosurgery. Seven of these patients had invasive nasopharyngeal cancer and 11 had distant metastasis from other cancers. The mean diameter of tumors was 22-46 mm (median 32.1 mm) and the radiation dose to the tumor margin was 12-23 Gy (median 16.2 Gy). The median follow-up… (More)


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