放射線治療を施した早期喉頭癌症例の検討

概要

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One hundred five cases of early laryngeal carcinoma were treated with radiation at our clinic during the past 13 years. The five-year survival rate was 95% for stage I cases and 72% for stage II. Five year disease-free rate of the cases treated with 60Co-γ ray was 88%, those with 10 MV-X ray was 62%. The significant difference could be detected. There was no correlation between the prognosis and the field size of radiation. Thirty-three patients relapsed after radiation therapy. Twenty-nine cases (88%) of failure appeared within 3 years. Among the unsuccessful cases, 8 were treated with radiation again, and 2 cases (25%) were cured. Partial laryngectomies were performed for 6 cases, and 2 cases (33%) were cured. Ten cases (67%) of the 15 total laryngectomized cases were recovered. Total laryngectomy is the best choice when a patient relapses.
耳鼻と臨床会の論文