A SEMICIRCULAR CANAL INDICATOR
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...
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BACKGROUND AND PURPOSE Radiological abnormalities at the level of the semicircular canals are frequently observed without known correlation to a pathologic condition or function. They include narrowing or sclerosis on computed tomography (CT) and narrowing or signal loss on T2-weighted magnetic resonance imaging (MRI). Our hypothesis was that these radiological abnormalities at the level of the...
متن کاملSuperior semicircular canal dehiscence syndrome
Key points • The Tullio phenomenon is sound-induced vertigo, nystagmus, or both. • Hennebert sign is pressure-induced vertigo, nystagmus, or both, elicited by insufflation of the external auditory canal. • Typically, in affected patients with superior semicircular canal dehiscence syndrome, there is a several-year history of symptoms that may include sound-induced vertigo (Tullio phenomenon), p...
متن کاملSuperior semicircular canal dehiscence: A new perspective
Objective To determine the use of multi-detector computed tomography (MDCT) in the diagnostic interpretation of superior semicircular canal dehiscence (SSCD) or thinning and its association with ear pathologies and to find whether it is an acquired condition and its association with increase in age. Materials and methods study was performed in a tertiary care institute present in a village, f...
متن کاملSuperior semicircular canal dehiscence syndrome
This article discusses superior semicircular canal dehiscence syndrome. This syndrome has been identified in 1998 by Minor etal. This condition is caused due to dehiscence of bone overlying the superior semicircular canal. This causes vertigo, oscillopsia, dysequilibrium due to exposure to sound. Ultra high resolution CT scans help in identification of this condition. This dehiscence has been c...
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ژورنال
عنوان ژورنال: Journal of the American Medical Association
سال: 1916
ISSN: 0002-9955
DOI: 10.1001/jama.1916.25910170001011