superior canal dehiscence syndrome

(redirected from Minor syndrome)

superior canal dehiscence syndrome

A condition affecting the inner ear caused by a thinning or loss of the temporal bone overlying the semicircular canal of the vestibular system, which may be due to trauma, neoplasia or, less commonly, congenital.

Clinical findings
Autophony, dizziness, chronic vertigo, Tullio phenomenon, hyperacusis, conductive hearing loss, pulsatile tinnitus, brain fog, fatigue, headaches.

Diagnosis
High-definition CT, vestibular evoked myogenic potential (VEMP) test, videonystagmography, electrocochleography.

Management
Surgical resurfacing of temporal bone, or plugging of  superior semicircular canal.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
And if this were not enough, UCS also increases the likelihood of all three myofascial forms of thoracic outlet syndrome: pectoralis minor syndrome, costoclavicular syndrome, and anterior scalene syndrome.
(16) Psoas minor syndrome, which is caused by tense muscle & tendon, is attributed to its failure to keep pace with growth of pelvis.
Recurrent neurogenic thoracic outlet syndrome stressing the importance of pectoralis minor syndrome. Vasc Endovascular Surg.
Minor syndromes indicate the presence of the major syndrome of the disease, and the patient may also present another syndrome with a relatively complete manifestation.