Results 181 to 190 of about 4,323 (203)
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Arachnoid Villi Obstruction in the Cochlear Aqueduct
Archives of Otolaryngology - Head and Neck Surgery, 1972Temporal bone findings suggest mechanical obstruction of arachnoid villi by focal hemorrhage within the cochlear aqueduct midportion. Increased perilymphatic fluid pressure was evidenced by fluid "backing up" through soft tissue about the cochlear aqueduct, and reaching the internal auditory canal.
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Morphology and cochlear implantation in enlarged vestibular aqueduct
American Journal of Otolaryngology, 2018The purpose of this work is to explore audiometry following cochlear implantation (CI) in patients with enlarged vestibular aqueduct (EVA) and to investigate the effects of inner ear morphological variation on post CI audiometry.This was a retrospective review of both natural and cochlear-implant-aided audiometry results, using all available ...
Nilam D. Patel +6 more
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Delayed Hereditary Deafness With Cochlear Aqueduct Obstruction
Archives of Otolaryngology - Head and Neck Surgery, 1969IT IS often impossible to differentiate between secondary, acquired degenerative inner ear changes and the degenerative changes occurring on a genetic basis. Only recently has the presence of PAS-positive globules been noted in some cases of hereditary deafness and not, as yet, in acquired deafness. The onset of hereditary deafness is often within the
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Cochlear Implantation in Children With Enlarged Vestibular Aqueducts
The Laryngoscope, 1999AbstractObjectives: This report details our experience with cochlear implantation in children with both profound sensorineural HL (SNHL) and enlarged vestibular aqueducts (EVAs). It seeks to determine if the abnormal anatomy of EVA predisposes to any adverse events during or after cochlear implantation. Study Design: A retrospective review.
J P, Bent, P, Chute, S C, Parisier
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Perilymph Pressure During Hypobaric Conditions—Cochlear Aqueduct Obstructed
Acta Oto-Laryngologica, 1994Nine cats with the cochlear aqueduct surgically blocked were anaesthetised, put in a pressure chamber, and stepwise exposed to hypobaric pressure, each of the two steps lasting 5 min. The chamber pressure was reduced to -5 and -7 kPa. Concluding the experiment the cats were observed for 5 min after restoration of atmospheric pressure.
K S, Konrádsson +3 more
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Cochlear abnormalities associated with enlarged vestibular aqueduct anomaly
International Journal of Pediatric Otorhinolaryngology, 2009The objective of this study is to examine the correlation between enlarged vestibular aqueduct (EVA) anomaly and other inner ear anomalies such as cochlear dysplasia, vestibulocochlear dysplasia and modiolar hypoplasia.Retrospective chart review, with institutional review board approval, of patients with EVA who received treatment at Primary Children's
Joseph S, Atkin +3 more
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Anatomic Variations of the Human Cochlear Aqueduct
Acta Radiologica. Diagnosis, 1986The cochlear aqueduct follows a course through the petrous pyramid that varies from straight and steeply vertical to a curvilinear and horizontal. Its course and length are correlated to the pneumatization of the pyramid and also to the volume of the jugular fossa.
C, Muren, H, Wilbrand
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A Radiologico-Anatomical Comparative Study of the Cochlear Aqueduct
Clinical Radiology, 2000A comparative radiologico-anatomical study of the cochlear aqueduct (CA) was performed.Eight cadavers and 23 dry temporal bones were studied. High-resolution computed tomography (HRCT) was carried out on each cadaver before microdissection. Microdissection was carried out in a plane parallel to the HRCT sections.The CA was found to be located an ...
I, Tekdemir +4 more
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Archives of Otolaryngology - Head and Neck Surgery, 1970
T, Palva, R, Gussen
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T, Palva, R, Gussen
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