Bilateral semicircular canal aplasia
نویسندگان
چکیده
منابع مشابه
Bilateral semicircular canal aplasia.
INTRODUCTION Bilateral semicircular canal aplasia is extremely rare; discovery, when the cochlear-vestibular system is normal and there is no hearing loss, is serendipitous. CASE REPORT Bilateral semicircular canal aplasia was serendipitously discovered in a 24-year-old male during assessment of unilateral mixed hearing loss with subnormal contralateral hearing. The deformity was isolated, wi...
متن کاملUnilateral semicircular canal aplasia in Goldenhar's syndrome.
A patient with Goldenhar's syndrome (oculoauriculovertebral dysplasia) and unilateral aplasia of all semicircular canals is presented. This is the first report of such a finding and may support the hypothesis that Goldenhar's syndrome and the CHARGE association have a common pathogenetic mechanism.
متن کاملBilateral posterior semicircular canal aplasia and atypical paroxysmal positional vertigo: a case report.
Isolated congenital malformations of semicircular canals are rare abnormalities. Most inner ear abnormalities occur in syndromes and are associated with hearing loss. Unilateral or bilateral single aplasia of one semicircular canal does not usually result in vertigo, but these become clinically important if there are clinical complaints of vertigo. Computed tomography imaging and high resolutio...
متن کاملCT and MR Imagings of Semicircular Canal Aplasia
Department of Radiology, Soonchunhyang University Bucheon Hospital Department of Otorhinolaryngology, Soonchunhyang University Bucheon Hospital Received October 23, 2008 ; Accepted April 7, 2009 Address reprint requests to : Hyun Sook Hong, M.D., Department of Radiology, Soonchunhyang University Bucheon Hospital, 1174 Jung dong, Wonmi-gu, Bucheon-si, Gyeonggi-do 420-767, South Korea. Tel. 82-32...
متن کاملBilateral microtia, canal atresia and aplasia of cochleovestibular nerve.
A six-month-old baby with congenital patent ductus arteriosus (PDA), bilateral microtia and canal atresia was referred for hearing assessment. The audiology assessment revealed bilateral profound hearing loss, which is atypical for a case of pure canal atresia. Imaging was performed much earlier than usual and, as suspected, the patient also had bilateral severe inner ear anomaly. It is extreme...
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ژورنال
عنوان ژورنال: European Annals of Otorhinolaryngology, Head and Neck Diseases
سال: 2013
ISSN: 1879-7296
DOI: 10.1016/j.anorl.2012.10.005