This is a retrospective analysis of 8 patients with olfactory neuroepithelioma treated by external radiation during 1981-1988. Their age ranged from 13 to 65 years. All of them were male patients. At the time of diagnosis, six patients were classified as Kadish stage C, two were stage B, and none of them were stage A. Six of eight patients treated by external irradiation, only one patient had complete surgical resection followed by postoperative irradiation. Another one patient received one course of induction chemotherapy followed by radical irradiation. Three patients developed local recurrences and five patients had distant metastasis. One patient with stage B disease who had complete surgical resection followed by postoperative irradiation was alived without evidence of disease. Seven of eight patients died of tumor, with a duration of survival ranging from 3 to 106 months.