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이호규; 신정은; 이석우; 김찬종; 김영진; 정종우; 이광선

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자료유형: 학술저널

저자정보: 이호규 신정은 이석우 김찬종 김영진 정종우 이광선

저널정보: 대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후과학회지 두경부외과학 제45권 제12호

발행연도: 2002.1

수록면: 1,141 - 1,145 (5page)

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Background and Objectives：Many reports have been made on the asociations betwen profound hearing loss and inner ear g temporal bone computed tomography (TBCT), and to find out the prognosis on the severity of the inner ear anomalies. Methods：The subjects on this study were 161 Korean patients (92 males and 69 females, aged 1 to 57, mean 20.2) diagnosed as having profound hearing loss. All patients received temporal bone computed tomography (TBCT), and their medical records were reviewed retrospectively. Dimensional reconstruction of temporal bone computed tomography was performed using the Surface Shaded Display method (SSD)both prelingual and postlingual group. Results：The prevalence of inner ear anomaly in patients of profound hearing loss was 27% (N=43). The prevalence of inner ear anomaly in the prelingual deaf group was 22.6% (N=38), and the postlingual deaf group was 3.1% (N=5). The incomplete partition was the most comon inner ear anomaly. There were 21 patients with incom-plete partition (49% ), followed by 8 patients (18% ) with large vestibular aqueducts, 5 patients (12% ) with cochlea hypoplasia, 4 patients (9.3%with abnormal semicircular canal and/or large vestibule. 2 patients (5% ) with internal auditory canal widening, and 1 patient (3% ) with common cavity and cochlea aplasia, respectively. Conclusion：Profound hearing loss patients had higher number of inner ear anomaly rate, especialy in prelingual deaf patients. Among all the inner ear abnormalities, incomplete partition (Mondini dysplasia) showed the most prevalent in the profound hearing patients group. The otolaryngologist should tomography (TBCT) for further treatments such as cochlear implantation. (Korean J Otolaryngol 2002 ;45 :1141-5)

#전농·전산화 단층촬영·와우·전정. #Deafness· Computed tomography· Cochlea· Vestibule.

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