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J Korean Soc Laryngol Phoniatr Logop > Volume 24(1); 2013 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2013;24(1): 51-54.
갑상연골 내굴곡에 인한 가성대의 비대
권진호, 최병일, 홍현준, 최홍식
연세대학교 의과대학 이비인후과학교실
False Vocal Fold Hypertrophy Caused by Thyroid Cartilage Inward Bowing
Jin Ho Kwon, Byeong Il Choi, Hyun Jun Hong, Hong-Shik Choi
Department of Otorhinolaryngology, Yonsei University College of Medicine
ABSTRACT
False vocal fold hypertrophy caused by diverse pathologic lesion, such as laryngeal amyloidosis, laryngeal lipidosis, laryngocele, saccular cyst and sulcus vocalis. False vocal fold hypertrophy, however, is also caused laryngeal structure deformity, irrespective of pathologic lesions. In this article, we report some cases of false vocal fold hypertrophy caused by inward bowing of thyroid cartilage. At the clinic of the department of otorhinolaryngology in Gangnam Severance Hospital, with 3 male complained of hoarseness as subjects, and comfirmed of false vocal fold hypertrophy using the stroboscopy and larynx CT we checked vocal fold and laryngeal structure. Three patients with apparent hypertrophy of false vocal fold were investigated with computerized tomography (CT). In all patients, marked concavity of thyroid cartilage was revealed in CT scan at the level of the false vocal fold, and this deformity of the thyroid cartilage seemed to cause a protrusion of false vocal fold which taken as hypertrophy in stroboscopy. Careful palpation of the larynx and a CT scan taken at the level of the false vocal fold should be useful in determining whether hypertrophy of the false vocal fold is pathologic. For the next articles, It is necessary to discuss for the cause, diagnosis, treatment and prevention of inward bowing of thyroid cartilage.
KEY WORDS: False vocal fold hypertrophy;Thyroid cartilage;
중심 단어: 가성대 비대;갑상연골;
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