About: Enlarged vestibular aqueduct     Goto   Sponge   NotDistinct   Permalink

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Large vestibular aqueduct is a structural deformity of the inner ear. Enlargement of this duct is one of the most common inner ear deformities and is commonly associated with hearing loss during childhood. The term was first discovered in 1791 by Mondini when he was completing a temporal bone dissection. It was then defined by Valvassori and Clemis as a vestibular aqueduct that is greater than or equal to 2.0 mm at the operculum and/or greater than or equal to 1.0 mm at the midpoint. Some use the term enlarged vestibular aqueduct syndrome, but this is felt by others to be erroneous as it is a clinical finding which can occur in several syndromes.

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  • Enlarged vestibular aqueduct (en)
  • LVAS (nl)
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  • Large vestibular aqueduct is a structural deformity of the inner ear. Enlargement of this duct is one of the most common inner ear deformities and is commonly associated with hearing loss during childhood. The term was first discovered in 1791 by Mondini when he was completing a temporal bone dissection. It was then defined by Valvassori and Clemis as a vestibular aqueduct that is greater than or equal to 2.0 mm at the operculum and/or greater than or equal to 1.0 mm at the midpoint. Some use the term enlarged vestibular aqueduct syndrome, but this is felt by others to be erroneous as it is a clinical finding which can occur in several syndromes. (en)
  • Large vestibular aquaduct syndrome of LVAS is een aandoening van het binnenoor die gepaard gaat met gehoorverlies. Het (VA) is een kanaal dat de (DE) bevat. Dit is een vliezig kanaal dat het vestibulum met de (SE) verbindt. De DE en SE bevatten dus . De SE heeft bij een normale anatomie een diameter tussen 0.5 en 1.4 mm. De precieze functie van SE en DE is nog niet volledig achterhaald. Momenteel denkt men dat dit complex ervoor zorgt dat de hoeveelheid ionen in het endolymfe constant blijft. (nl)
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  • Enlarged vestibular aqueduct (en)
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  • Enlarged vestibular aqueduct (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Gray923.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Gray921.png
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  • Interior of right osseous labyrinth (en)
synonyms
  • Enlarged vestibular aqueduct, Dilated vestibular aqueduct or Widened vestibular aqueduct (en)
has abstract
  • Large vestibular aqueduct is a structural deformity of the inner ear. Enlargement of this duct is one of the most common inner ear deformities and is commonly associated with hearing loss during childhood. The term was first discovered in 1791 by Mondini when he was completing a temporal bone dissection. It was then defined by Valvassori and Clemis as a vestibular aqueduct that is greater than or equal to 2.0 mm at the operculum and/or greater than or equal to 1.0 mm at the midpoint. Some use the term enlarged vestibular aqueduct syndrome, but this is felt by others to be erroneous as it is a clinical finding which can occur in several syndromes. (en)
  • Large vestibular aquaduct syndrome of LVAS is een aandoening van het binnenoor die gepaard gaat met gehoorverlies. Het (VA) is een kanaal dat de (DE) bevat. Dit is een vliezig kanaal dat het vestibulum met de (SE) verbindt. De DE en SE bevatten dus . De SE heeft bij een normale anatomie een diameter tussen 0.5 en 1.4 mm. De precieze functie van SE en DE is nog niet volledig achterhaald. Momenteel denkt men dat dit complex ervoor zorgt dat de hoeveelheid ionen in het endolymfe constant blijft. Zoals de naam reeds doet vermoeden is LVAS het gevolg van een VA en DE met vergrote diameter zijn. Meer bepaald groter zijn dan 1.5 mm. Gemiddeld zal bij een LVAS-patiënt de diameter zo’n 3.7 mm zijn, hoewel er gevallen bekend zijn waar de diameter liefst 8 mm lang was. De naam zelf is eigenlijk fout: het is niet zo zeer de vergrote VA die voor problemen zorg, maar wel de DE. Rekening houdend met dit gegeven wordt dit syndroom soms door wetenschappers aangeduid als. (nl)
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  • C566366
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