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J Korean Soc Laryngol Phoniatr Logop > Volume 10(2); 1999 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 1999;10(2): 164-169.
성대낭종의 임상적 특성
홍기환, 박정훈, 김원, 김창현
전북대학교 의과대학 이비인후-두경부외과학교실
Clinical Characeristics of Intracordal Cysts
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ABSTRACT
Background and Objectives
: The intracordal cysts are more increasingly diagnosed and treated due to advanced laryngeal stroboscopy and laryngeal microsurgical technique. The intracordal cysts are frequently misdiagnosed as vocal polyp or nodule The purpose of this study is to evaluate clinical features of intracordal cysts.
Materials and Method
s : In the present series, 83 cases of the intracordal cysts treated with laryngeal microsurgery are reported. The intracordal cysts are diagnosed preoperatively with indirect laryngoscopy, laryngeal endoscopy, laryngeal stroboscopy and confirmed with laryngeal microsurgical findings and biopsies.
Results
: Intracordal cysts are 83 of 1900 patients treated with laryngeal microsurgery(4.4%)-ductal cysts are 56 cases and epidermoid cysts are 27 cases. Intracordal cysts are more frequent in women, forties and the frequent site is an anterior third of the true vocal cord. With the indirect laryngoscopic examination, the ductal cysts are frequently misdiagnosed as vocal polyps or nodules but the epidermoid cysts are relatively easily diagnosed. The etiologic factors of the intracordal cysts are suspected as voice abuse and upper respiratory infection. The degree of postoperative voice satisfaction is similar to that of the vocal polyps.
Conclusion
: Intracordal cysts are frequently misdiagnosed as polyps or nodules, therefore preoperative stroboscopic findings and laryngeal microsurgical findings is important. An ideal treatment is to enucleate the cysts avoiding rupture of cyst and injury of lamina propria of the vocal cord.
KEY WORDS: Intracordal cyst;Epidermoid cyst;Ductal cyst;
중심 단어: 저류낭종;유표피낭종;
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