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J Korean Soc Laryngol Phoniatr Logop > Volume 25(2); 2014 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2014;25(2): 79-81.
후두 근긴장이상증과 근긴장성 발성장애
김지원, 최승호
울산대학교 의과대학 서울아산병원 이비인후과학교실
Laryngeal Dystonia and Muscle Tension Dysphonia
Ji Won Kim, Seung-Ho Choi
Department of Otolaryngology, Asan Medical Center, University of Ulsan College of Medicine
ABSTRACT
Spasmodic dysphonia (SD) is a chronic, focal, speech-induced, action-specific dystonia, resulting strained voice. Muscle tension dysphonia (MTD) may also result in a strangled, strained voice quality, usually as a result of compensation for underlying laryngeal disease such as glottal insufficiency. Patients with SD and MTD were suffered from the severely limiting people's communication, especially via telephone and in noisy backgrounds. SD is usually of the adductor type characterized by glottic contractions causing tightness and voice breaks, which is difficult to distinguish from MTD. In this review article, we present the characteritics and management of SD and MTD.
KEY WORDS: Spasmodic dysphonia;Muscle tension dysphonia;
중심 단어: 연축성 발성장애;근긴장성 발성장애;
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