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J Korean Soc Laryngol Phoniatr Logop > Volume 27(2); 2016 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2016;27(2): 91-94.
doi: https://doi.org/10.22469/jkslp.2016.27.2.91
정상으로 보이는 후두에서 음성변화의 감별진단
손호진, 최승호
울산대학교 의과대학 서울아산병원 이비인후과학교실
Differential Diagnosis of Dysphonia Looks Normal Larynx
Ho Jin Son, Seung Ho Choi
Department of Otolaryngology, Asan Medical Center, university of Ulsan College of Medicine, Seoul, Korea
Correspondence  Seung Ho Choi ,Tel: (02) 3010-3750, Fax: (02) 489-2773, Email: shchoi@amc.seoul.kr
Received: 31 May 2016; Revised: May 31, 2016   Accepted: 8 June 2016.  Published online: 30 December 2016.
Voice is a physical phenomenon, generated by vocal fold and expiratory airflow. Dysphonia should come from abnormal vocal fold and airflow. Occassionally larynx looks normal in show, but it is actually not. There should be undetected structural or functional abnormalities. So when ENT doctors face dysphonia patients who looks normal larynx, should make a diagnosis through close observation. In this review article we present some dysphonia diseases which looks normal larynx. For example vocal fatigue, vocal fold paresis, posterior glottic diastasis, muscle tension dysphonia and psychogenic dysphonia.
KEY WORDS: Vocal fatigueVocal fold paresisPosterior glottic diastasisMuscle tension dysphonia Psychogenic dysphonia
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