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Items tagged “inner ear”

25 results found
Article

Otosclerosis

Otosclerosis, also known as otospongiosis, is a primary osteodystrophy of the otic capsule (bony labyrinth of the inner ear). It is one of the leading causes of deafness in adults. Terminology The term otosclerosis is somewhat of a misnomer. Much of the clinical course is characterized by luce...
Case

Fenestral otosclerosis

 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 09 Feb 2009
74% complete
CTDiagram
Case

Bilateral Mondini malformations

 Diagnosis certain
Assoc Prof Frank Gaillard
Published 13 Feb 2009
74% complete
CT
Case

Retrofenestral otosclerosis

 Diagnosis probable
Assoc Prof Frank Gaillard
Published 18 Feb 2009
62% complete
CT
Case

Enlarged vestibular aqueducts

 Diagnosis certain
Assoc Prof Frank Gaillard
Published 19 Feb 2009
95% complete
MRI
Article

Cochlear implant

Cochlear implants (CI) are a surgically implanted electronic device that provides a sense of sound to a person who is profoundly deaf or severely hard of hearing. Unlike conventional hearing aids, the cochlear implant does not amplify sound, but works by directly stimulating any functioning audi...
Case

Cochlear aplasia

 Diagnosis certain
Assoc Prof Frank Gaillard
Published 18 May 2009
62% complete
CT
Article

Intravestibular lipoma

Intravestibular lipomas are rare congenital fatty masses located in the vestibule of the inner ear.  Clinical presentation Patients usually present with sensorineural hearing loss.  Pathology Their pathogenesis is thought to be the same as that of other intracranial lipomas. Associations l...
Article

Fissula ante fenestram

The fissula ante fenestram is a small connective tissue-filled cleft in the otic capsule of the temporal bone, not typically visible on CT. The area around the fissula ante fenestram is the usual origin of fenestral otosclerosis. Gross anatomy The fissula ante fenestram is situated in the regi...
Article

Cochlear anomalies (classification)

Cochlear anomalies are a variety of congenital anomalies which, depending on the exact time at which an insult occurs during embryogenesis, may have different manifestations. Terminology is often used imprecisely leading to confusion not only among clinicians, but also in the literature. Classi...
Article

Superior semicircular canal dehiscence syndrome

Superior semicircular canal dehiscence syndrome (SCDS) is an inner ear abnormality, where a clinical disequilibrium phenomenon is associated with the absence of the bony covering of the superior semicircular canal (SSCC). Notably, this CT finding has also been described in ~10% of individuals w...
Case

Labyrinthitis ossificans - bilateral

Labyrinthitis oss...
 Diagnosis certain
Dr Hani Salam
Published 13 Nov 2010
75% complete
MRICT
Case

Cochlear implant

 Diagnosis certain
Assoc Prof Frank Gaillard
Published 15 Dec 2010
59% complete
CT
Case

Superior semicircular canal dehiscence

Right side
 Diagnosis certain
Assoc Prof Frank Gaillard
Published 29 Dec 2010
80% complete
CT
Case

Michel defect

 Diagnosis almost certain
Dr Paresh K Desai
Published 18 Feb 2012
56% complete
CT
Case

Labyrinthitis ossificans

 Diagnosis almost certain
Dr Bruno Costa Gomes
Published 14 Feb 2013
81% complete
MRICT
Article

Labyrinthitis ossificans

Labyrinthitis ossificans, also known as labyrinthine ossification, represents pathological ossification of the membranous labyrinth as a response to an insult to the inner ear. Clinical presentation It is usually associated with profound sensorineural hearing loss, and may sometimes be associa...
Article

Cochlear incomplete partition type III

Cochlear incomplete partition type III (IP-III) is the type of cochlear incomplete partition present in X-linked deafness, a rare, nonsyndromic, genetic cochlear anomaly associated with mixed conductive and sensorineural hearing loss. Terminology The genetic disorder goes by many names 8: X-l...
Case

Mondini malformation

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 23 Jul 2013
83% complete
CT
Case

Facial nerve anatomy - labeled CT

 Diagnosis not applicable
Dr Matt Skalski
Published 30 Apr 2014
36% complete
CT

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