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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 38(4); 1995 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1995;38(4): 537-43.
Clinical Evaluation of Congenital Stapedial Fixation
Keehyun Park, MD1, and Sungkyun Moon, MD2
1;Department of Otolaryngology, Ajou University School of Medicine, Suwon, 2;Department of Otolaryngology, Yonsei University College of Medicine, Seoul, Korea
선천성 등골 고정증의 임상적 고찰
박기현1 · 문성균2
아주대학교 의과대학 이비인후과학교실1;연세대학교 의과대학 이비인후과학교실2;
ABSTRACT

A non-progressive conductive hearing loss with normal lymphanic membrane is highly suggestive of a congenital ossicular malformation. Among the ossicular anomalies, congenital stapedial fixation is not uncommon. And it is clinically important because hearing loss can be corrected by appropriate procedure. We analysed 22 cases of congenital stapedial fixation which were confirmed through the explotympanotomy. We suggest that the diagnostic criteria of congenital stapedial fixation are : (1) non-progressive and bilateral hearing loss since childhood ; (2) no history of infection or trauma ; (3) conductive hearing loss in the range of 40-60dB with Carhart notch ; (4) type As tympanogram ; and (5) no ossicular discontinuity on temporal bone CT.

Keywords: Congenital stapedial fixationConductive hearing loss.
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