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Congenital Dehiscence in the Posterior Semicircular Canal
Otology & Neurotology, 2013Posterior semicircular canal dehiscence (PSCD) may be of congenital origin.PSCD is characterized by the lack of bone coverage, which results in its lumen being exposed to the meninges of the posterior cranial fossa or to the gulf of the jugular vein. It has an incidence of 0.2%.
Whyte, J. +6 more
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1983
The crista of the semicircular canal is a receptor of rotatory movement, which enables its perception in any plane of rotation. Three semicircular canals, horizontal, anterior and posterior, open into the utricle.
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The crista of the semicircular canal is a receptor of rotatory movement, which enables its perception in any plane of rotation. Three semicircular canals, horizontal, anterior and posterior, open into the utricle.
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Cupulolithiasis of the posterior semicircular canal
American Journal of Otolaryngology, 2013We sometimes experience patients with persistent torsional/vertical (upbeating) positional nystagmus in the head-hanging position. We have been convinced of the existence of cupulolithiasis of the posterior semicircular canal because such cases reveal persistent torsional/vertical (downbeating) positional nystagmus in the nose-down position.In order to
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Information process in the lateral semicircular canals
Doklady Biological Sciences, 2011The authors present a mathematical model of biosensors of angular accelerations of human head turns around the vertical axis. Information processes in the lateral semicircular canals are described by differential equations in the states space. The given model is a combination of the modified Steinhausen model and the vestibular mechanoreceptor model.
Sadovnichij, V. A. +4 more
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Operative Techniques in Otolaryngology-Head and Neck Surgery, 2014
In the evaluation of patients with suspected superior (or posterior or lateral) semicircular canal dehiscence syndrome, imaging plays a crucial corroborative diagnostic role. The variable audiologic and vestibular signs and symptoms may be attributed to a third-window phenomenon, directly visible on computed tomography as a defect in the superior or ...
Brian D. Zipser, Ali R. Sepahdari
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In the evaluation of patients with suspected superior (or posterior or lateral) semicircular canal dehiscence syndrome, imaging plays a crucial corroborative diagnostic role. The variable audiologic and vestibular signs and symptoms may be attributed to a third-window phenomenon, directly visible on computed tomography as a defect in the superior or ...
Brian D. Zipser, Ali R. Sepahdari
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Impulsive testing of semicircular canal function
2008After acute vestibular loss in humans or animals, eye-movement responses to rapid horizontal ipsilesional head rotations ("head impulses") show that there is severe, permanent impairment of the angular vestibulo-ocular reflex. The basis for this appears to be an inhibitory saturation of ipsilesional vestibular nerve, and perhaps vestibular nucleus ...
G Michael, Halmagyi +4 more
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Multiple Semicircular Canals With Dehiscence
Otology & Neurotology, 2009Guangwei, Zhou, Dennis S, Poe
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Superior semicircular canal dehiscence: Diagnosis and management.
Journal of clinical neuroscience, 2018Christine Mau +6 more
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A Comparison of Surgical Treatments for Superior Semicircular Canal Dehiscence: A Systematic Review.
Otology and Neurotology, 2017F. Ziylan +3 more
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Dehiscence of Posterior Semicircular Canal
Otology & Neurotology, 2007Di Lella F, Falcioni M, Piazza P.
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