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KMID : 0384020100210010013
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Journal of the Korean Society of Logopedics and Phoniatrics
2010 Volume.21 No. 1 p.13 ~ p.16
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Diagnostic Role of Stroboscopy
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Lee Sang-Hyuk
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Abstract
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Diagnosis of a patient with dysphonia begins with a thorough history and physical examination. Larynx can be visualized either indirectly or directly with a rigid or flexible laryngoscope. One notable limitation of simple indirect laryngoscopy is that the examination dose not yields a recordable and reproducible image of the larynx and vocal tract. And unaided human eye is unable to visualize the vibratory patterns of the true vocal cord during phonantion. When available, stroboscopy provides useful information regarding vocal told closure, vibration, and mucosal wave which is useful to decide between microsurgery, vocal reeducation or a combined treatment Even there are some limitations, recognition of the advantages and disadvantages of stroboscopy allows for optimal appreciation and stroboscopy remains an essential diagnostic tool in the assessment of dysphonia.
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KEYWORD
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Dysphonia, Stroboscopy
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