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Published on: May 8, 2018
[Radiotherapy of carcinoma of the larynx--dose and function preservation]
Abstract:
Relationship between irradiated dose and function preservation of the larynx in patients of laryngeal carcinoma (T1-T3) treated with radiotherapy were analysed and discussed. Local control rate for T1 and T2 lesion was highest in the dose range of 65-70 Gy. But in T3 lesion, especially of supraglottic cancer, the dose range to obtain highest local tumor control rate is above 76 Gy and higher than in case of T1 and T2 lesions. Laryngeal edema was seen in patients who were delivered the dose of 80 Gy. But total laryngectomy could be avoided by conservative therapy. Necessity of induction chemotherapy for advanced cases was also discussed.
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