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J Korean Soc Laryngol Phoniatr Logop > Volume 7(1); 1996 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 1996;7(1): 32-38.
방사선 요법이 초기 성대암 및 정상 후두의 음성 지표에 미치는 영향
김민식, 박한종, 선동일, 박영학, 조승호
가톨릭대학교 의과대학 이비인후과학교실
Effect of Radiation Therapy on Voice Parameters in Early Glottic Cancer and Normal Larynx
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ABSTRACT
The preservation of the voice-producing mechanism is an important feature in the management of laryngeal cancer by radiotherapy. But, radiation therapy has certain side effects such as mucositis, tissue edema, necrosis and fibrosis which could effect on normal voice production. Several subjective studies that used questionnaires and auditory perceptual judgements of voice have been interpreted to mean that radiation results in a normal or near-normal voice. Objective evidence of the status of vocal function after radiation treatment, however, is still lacking. We analyzed the changes that occur in voice parameters in a group of patients undergoing radiation therapy, in order to determine the effect of radiation on voice quality. In this study acoustic, aerodynamic measures of vocal function were used to determine the characteristics of voice production. We found that voice parameters in early glottic cancer changed meaningfully comparing to normal larynx with or without radiation and radiation therapy has an little effect on normal larynx.
KEY WORDS: Radiation therapy;Glottic cancer;Voice parameters;
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