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KMID : 0384019950060010043
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Journal of the Korean Society of Logopedics and Phoniatrics
1995 Volume.6 No. 1 p.43 ~ p.45
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A Case of Mutational Dysphonia Treated with Type III Thyroplasty
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Abstract
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Type III thyroplasty is a useful surgical procedure reducing the tension of vocal cords by removing the vertical strip of anterior thyroid cartilage and resuturing the out ends. One of the indications for this procedure is mutational dysphonia,
the
disease of men who has a childlike vocal pattern even after the process of puberty.
We have experienced one case of mutational dysphonia treated with type III thyroplasty. He had high pitched voice from the middle school age and his preoperative fundamental frequency was 272.35 Hz. Tow months after the surgery, the fundamental
frequency was 129.58 Hz and the patient was also subjectively satisfied with his low-toned voice.
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