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KMID : 0384020100210010017
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Journal of the Korean Society of Logopedics and Phoniatrics
2010 Volume.21 No. 1 p.17 ~ p.21
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Dysphonia : Vocal Fold Mucosal Lesions Easily Missed in Laryngscopy
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Kim Han-Su
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Abstract
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Dysphonia is a medical terminology for voice disorders characterized by hoarseness, harshness, weakness, or even loss of voice ; any impairment in ability to produce voice sounds using the vocal organs, larynx, The causes of dysphonia can be classified into two groups, organic and functional. Functional dysphonia includes spasmodic dysphonia, muscle tension dysphonia, mutational dysphonia and conversion dysphonia, etc, The findings of laryngoscopy in these dysphonia are almost normal. Therefore, physicians should diagnosis these diseases from careful history taking and abundant understandings about the phonation pattern, Organic dysphonia is caused by anatomical problems in the larynx, especially on the vocal fold, Some lesions, however, are not easily found because these lesions are too small, or located on the lower lip of vibrating vocal fold. Laryngopharyngeal reflux induced laryngitis, vascular lesions, sulcus vocalis, vocal atropy including presbylaryngis, and mucosal tears are common lesions easily missed in laryngoscopy, Therefore, a high index of suspicion is necessary to avoid missing vocal fold mucosal lesions, and the strobovideolaryngoscopy is indispensable in making the diagnosis,
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KEYWORD
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Dysphonia, Stroboscopy, Sulcus vocalis, Laryngopharyngeal reflux disease, Vocal atropy, Presbylaryngis
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