Title
Third mobile window associated with suspected otosclerotic foci in two patients with an air-bone gap Third mobile window associated with suspected otosclerotic foci in two patients with an air-bone gap
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
London ,
Subject
Human medicine
Source (journal)
The journal of laryngology and otology. - London, 1921, currens
Volume/pages
125(2011) :1 , p. 89-92
ISSN
0022-2151
1748-5460
ISI
000285476600018
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Objective: To demonstrate the need for computed tomography imaging of the temporal bone in patients clinically suspected of otosclerosis who present with atypical symptoms or audiological findings. Case reports: We present two patients with bilateral conductive hearing loss and suspected otosclerosis in whom third mobile window lesions were revealed. The first patient had bilateral large vestibular aqueducts and bilateral fenestral otosclerotic foci. Computed tomography imaging of the second case revealed bilateral superior semicircular canal dehiscence and bilateral cochlear clefts, mimicking an otosclerotic focus in the fissula ante fenestram. Conclusion: Differentiating third mobile window lesions from otosclerosis as the cause of a conductive hearing loss is essential before considering stapes surgery, as such treatment would be unnecessary and potentially harmful.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/883368/af24b3f2.pdf
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