Abstract
Sixty-five patients with oral cancer, treated at Mie University Hospital for 7 years between 1992 and 1998, were reviewed. The average age was 63.7-years-old. Primary site of oral cancer was the tongue in 34, oral floor in 15, buccal mucosa in 8, gingiva in 5, and the hard palate in 3. The 5-year survival rate analyzed by Kaplan-Meier method was 100%, 75.0%, 61.5%, 91.7%, 21.9% and 0%, respectively for stage 0, I, II, III, IVA and IVC. The high survival rate in stage III indicates the effectiveness of therapy by superselective intraarterial chemotherapy combined with radiation. The 5-year survival rate by the site was 59.7%, 53.0%, 62.5%, 50.0%, and 100%, respectively for tongue, oral floor, buccal mucosa, gingiva, and hard palate.
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