Results 281 to 290 of about 379,788 (317)

Multiple dehiscence of semicircular canals

The Journal of Laryngology & Otology, 2006
Dehiscence of the semicircular canal is an uncommon condition and has been reported to involve the roof of the superior semicircular canal. We describe a case with dehiscence of four semicircular canals and in areas not involving the roof of the superior semicircular canal.
R M Alles, K L Farrell, L Savy, D Rajenderkumar   +3 more
openaire   +3 more sources

Superior semicircular canal dehiscence syndrome.

Journal of Neurosurgery, 2017
Superior semicircular canal dehiscence (SSCD) syndrome is an increasingly recognized cause of vestibular and/or auditory symptoms in both adults and children. These symptoms are believed to result from the presence of a pathological mobile "third window"
W. Bi, Ryan Brewster, D. Poe, D. Vernick, Daniel J. Lee, C. Eduardo Corrales, I. Dunn   +6 more
semanticscholar   +1 more source

Fistula of the lateral semicircular canal

Clinical Otolaryngology, 1978
The principles enunciated by Adam Politzer concerning the management of fistula of the lateral semicircular canal are as true today as they were during his time, in spite of the advances made in otologic surgery during the past 25 years or more. If a fistula of the lateral semicircular canal is suspected or proven, the patient's hearing has a greater ...
openaire   +3 more sources

Cupulolithiasis of the horizontal semicircular canal

European Archives of Oto-Rhino-Laryngology, 2011
To clarify whether positional nystagmus of horizontal cupulolithiasis contains vertical and torsional components, and to quantify the asymmetry, we analyzed nystagmus in four positions (healthy-ear-down, affected-ear-down, supine, nose-down), using 3-dimensional video-oculography.
openaire   +3 more sources

Congenital Aplasia of the Semicircular Canals

Otology & Neurotology, 2003
To describe the underrecognized inner ear malformation characterized by complete aplasia of the labyrinthine semicircular canals associated with a relatively well-formed cochlea, to investigate its relationship with known syndromic forms of hearing loss, and to hypothesize regarding the potential embryopathogenesis of this anomaly.A retrospective case ...
Suresh K. Mukherji, Bulent Satar, Steven A. Telian   +2 more
openaire   +2 more sources

The semicircular canals

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.
openaire   +2 more sources

Acoustic Stimulation of the Semicircular Canals

Otolaryngologic Clinics of North America, 1995
Stimulation of the semicircular canals provides an alternative method of vibratory stimulation of the auditory system. The frequency response characteristics of stimulation of the tympanic membrane, malleus, stapes, round window, and fenestrated semicircular canal are presented in this article.
D E Barnes, D B Welling
openaire   +3 more sources

The biomechanics of the semicircular canals

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1988
A mathematical model for the unsteady fluid-dynamic response of the semicircular canals is presented. The endolymph is assumed to be an incompressible Newtonian fluid, and the presence and effects of both the utricle and the cupula are specifically accounted for.
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Osteoma of the lateral semicircular canal

Acta Oto-Laryngologica, 2006
Osteomas are benign, slow growing tumors of bone that occur almost exclusively in the craniofacial region. They are uncommon in the temporal bone. Surgical excision is indicated in symptomatic cases. An osteoma arising from the lateral semicircular canal growing into the mastoid cavity is extremely rare and usually discovered on routine radiography. We
Jay Wohlgelernter, Avraham Ben-Yaakov, Menachem Gross   +2 more
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Cupulolithiasis of the posterior semicircular canal

American Journal of Otolaryngology, 2013
We 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
openaire   +3 more sources