What is it about?
We conducted perceptual and acoustic analysis to compare sustained vowel and stop consonants since there is no article evaluating both the sustained vowel and stop consonants. The VOT was shortened and the VD was longer after RT than laser cordectomy
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Why is it important?
Voice outcome of patients with early glottic cancer who underwent laser cordectomy or radiotherapy is still a controversy. Laser surgery results in loss of tissue while RT results in vocal fold fibrosis and muscle fatigue. Our study is to compare these effects in voice quality. The changes in VOT and VD might results in decreased speech intelligibility in the RT group. As we compared both the sustained vowel and stop consonants, laser surgery in terms of speech production might be superior to radiation therapy.
Perspectives
Voice outcome of patients with early glottic cancer who underwent laser cordectomy or radiotherapy is still a controversy. In clinic, we often found radiation treated patients has decreased speech intelligibility. Furthermore , laryngoscopic findings shows telatngiectasia and fibrosis of larynx in most of the radiation treated patients. Although VOT and VD is closely realted to vibratory movement of vocal cords, there were no study comparing the stop consnant of this patients. So this article will show you a different aspects of voice in patient managed with either laser or radiation in early glottic cancer.
Yong Tae Hong
Chonbuk National University
Read the Original
This page is a summary of: Characteristics of speech production in patients with T1 glottic cancer who underwent laser cordectomy or radiotherapy, Logopedics Phoniatrics Vocology, October 2017, Taylor & Francis,
DOI: 10.1080/14015439.2017.1381148.
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