지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한이비인후과학회 Clinical and Experimental Otorhinolaryngology Clinical and Experimental Otorhinolaryngology 제13권 제3호
- 발행연도
- 2020.1
- 수록면
- 255 - 260 (6page)
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초록· 키워드
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Objectives. The aim of the present study was to evaluate audiologic and vestibular functions in patients with lateral semicircular canal (LSCC) dysplasia/aplasia. Methods. We conducted a retrospective study of a patients with LSCC dysplasia and aplasia at tertiary referral center. The subjects included 15 patients with LSCC dysplasia or aplasia, with or without combined inner ear anomalies. Medical history, temporal bone computed tomography scans, pure-tone audiograms, and vestibular function test results were analyzed. Results. LSCC anomaly was identified in 15 patients (20 ears). Nine patients had unilateral LSCC dysplasia only and showed a mean pure-tone average of 45.5±28.7 dB, while three patients (33.3%) among them had normal hearing. Six patients had bilateral LSCC dysplasia/aplasia combined with other inner ear anomalies and profound bilateral hearing loss. Notably, only four out of 15 patients (26.7%) had dizziness symptoms. On caloric test, patients with isolated LSCC dysplasia showed a 51.8%±29.3% level of canal paresis (eight out of nine patients showed anomalies), whereas patients with bilateral LSCC dysplasia/aplasia presented bilateral vestibular loss. One patient with isolated LSCC underwent video-head impulse test; horizontal canal gain decreased to 0.62 (17% asymmetry) and anterior canal gain was 0.45 (52.6% asymmetry), whereas posterior canal gain was normal. Conclusion. Bilateral LSCC dysplasia/aplasia is comorbid with other inner ear anomalies and presents as profound bilateral hearing loss and vestibulopathy. In contrast, isolated unilateral LSCC dysplasia presents as ipsilateral horizontal canal paresis. Hearing function in isolated LSCC dysplasia is usually, but not always, impaired with varying severity.
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등록된 정보가 없습니다.
참고문헌 (19)
참고문헌 신청
Korver AM / 2017 / Congenital hearing loss / Nat Rev Dis Primers 3:16094
Jensen J / 1974 / Congenital anomalies of the inner ear / Radiol Clin North Am 12(3):473~482
Casselman JW / 2001 / CT and MR imaging of congential abnormalities of the inner ear and internal auditory canal / Eur J Radiol 40(2):94~104
Yu KK / 2003 / Molecular genetic advances in semicircular canal abnormalities and sensorineural hearing loss : a report of 16 cases / Otolaryngol Head Neck Surg 129(6):637~646
Sando I / 1988 / Frequency and localization of congenital anomalies of the middle and inner ears : a human temporal bone histopathological study / Int J Pediatr Otorhinolaryngol 16(1):1~22
Jensen J / 1974 / Congenital anomalies of the inner ear / Radiol Clin North Am 12(3):473~482
Casselman JW / 2001 / CT and MR imaging of congential abnormalities of the inner ear and internal auditory canal / Eur J Radiol 40(2):94~104
Yu KK / 2003 / Molecular genetic advances in semicircular canal abnormalities and sensorineural hearing loss : a report of 16 cases / Otolaryngol Head Neck Surg 129(6):637~646
Sando I / 1988 / Frequency and localization of congenital anomalies of the middle and inner ears : a human temporal bone histopathological study / Int J Pediatr Otorhinolaryngol 16(1):1~22
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