Abstract
Treatment results in 391 patients with oral carcinoma after radiation therapy are reported. In the total series 5- and 10-year actuarial survival were 30.8 and 25.2 per cent, respectively. After irradiation alone the corresponding figures were 21.5 and 18.5 per cent, after combined radiologic and surgical treatment 33.3 and 28.7 per cent, and after interstitial radium therapy 56.1 and 43.8 per cent, respectively. These differences were mainly an expression of selection factors. Tumor doses above 60 Gy gave a higher survival than lower doses. The presence of neck node metastases was prognostically unfavourable.
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