Results 131 to 140 of about 2,696 (171)
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1983
The cochlear aqueduct is a fine duct connecting the scala tympani with the subarachnoid space. Intraductal space is occupied by mesh-like connective tissue. The internal aperture which has a separating membrane opens at the inner ridge of the round window.
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The cochlear aqueduct is a fine duct connecting the scala tympani with the subarachnoid space. Intraductal space is occupied by mesh-like connective tissue. The internal aperture which has a separating membrane opens at the inner ridge of the round window.
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Archives of Otolaryngology - Head and Neck Surgery, 1970
To the Editor .—Dr. Palva comments that an increased perilymphatic pressure would be more likely to cause compression of the endolymphatic system. This would certainly seem to be true provided the endolymphatic system itself were a normal one. In this case, however, the increased perilymphatic pressure occurred in the presence of an already existing ...
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To the Editor .—Dr. Palva comments that an increased perilymphatic pressure would be more likely to cause compression of the endolymphatic system. This would certainly seem to be true provided the endolymphatic system itself were a normal one. In this case, however, the increased perilymphatic pressure occurred in the presence of an already existing ...
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Patency of the cochlear aqueduct in Menière’s disease
2013Introduction: The cochlear aqueduct (CA) plays an important role in the hydrostatic inner ear pressure regulation. Its function can be impaired in inner ear pressure disorders such as in Menière’s disease. Due to its narrow diameter the patency of CA in patients with Menière’s[for full text, please go to the a.m. URL]
Park, JJH, Shen, A, Westhofen, M
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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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Cochlear implantation in children with enlarged vestibular aqueduct
The Laryngoscope, 2010AbstractObjectives/Hypothesis:To determine audiometric outcomes and complications of cochlear implantation in patients with enlarged vestibular aqueduct (EVA).Study Design:Retrospective review at a tertiary care children's hospital.Methods:Twenty‐three patients with EVA who underwent cochlear implantation were reviewed using postoperative pure‐tone ...
Kenneth H, Lee +4 more
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AJNR. American journal of neuroradiology, 1998
Enlargement of the cochlear aqueduct is a controversial topic, with experienced investigators doubting its existence because of a lack of published cases. We describe the CT appearance of an enlarged cochlear aqueduct in a patient with advanced congenital inner ear anomalies and congenital hearing loss.
S K, Mukherji +3 more
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Enlargement of the cochlear aqueduct is a controversial topic, with experienced investigators doubting its existence because of a lack of published cases. We describe the CT appearance of an enlarged cochlear aqueduct in a patient with advanced congenital inner ear anomalies and congenital hearing loss.
S K, Mukherji +3 more
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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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Human Cochlear Aqueduct and its Accessory Canals
Annals of Otology, Rhinology & Laryngology, 1977The anatomy of the adult human cochlear aqueduct and its surrounding structures, and their normal variations at tomography, microdissection and plastic molding are described. The mean length of the aqueduct is 12.9 mm and the mean width of its funnel-shaped external aperture 4.2 mm. The mean width of the narrowest portion is 0.14 mm.
H, Rask-Andersen, J, Stahle, H, Wilbrand
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Zhonghua er bi yan hou ke za zhi, 1991
The morphology and structure within the cochlear aqueduct have been investigated on the basis of a histological analysis of 234 temporal bones ranging from 12-week old to adult. Barrier membrane was found in 28.6% of the temporal bones examined, and fibrous reticular tissues of the inner opening of the cochlear aqueduct in 38.1% of the temporal bones ...
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The morphology and structure within the cochlear aqueduct have been investigated on the basis of a histological analysis of 234 temporal bones ranging from 12-week old to adult. Barrier membrane was found in 28.6% of the temporal bones examined, and fibrous reticular tissues of the inner opening of the cochlear aqueduct in 38.1% of the temporal bones ...
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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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