Evaluation of the vestibular aqueduct in vestibulocochlear disorders by magnetic resonance imaging.

Evaluation of the vestibular aqueduct in vestibulocochlear disorders by magnetic resonance imaging. Research Abstract Details 

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Evaluation of the vestibular aqueduct in vestibulocochlear disorders by magnetic resonance imaging. Abstract Text:

T Wada,A Hara,K Takahashi,J Kusakari,H Yoshioka,M Niitsu,Y Itai,

The visibility of the vestibular aqueduct (VA) was examined using magnetic resonance imaging (MRI) in 95 patients: 15 patients with Meniere's disease, 4 with vestibular Meniere's disease, 4 with cochlear Meniere's disease and 72 patients with other vestibular and/or cochlear disorders. In order to visualize the VA, the T2-weighted image (T2WI) and the proton-density weighted image (PDWI) were obtained in the sagittal plane with a head coil. The visibility of the VA was classified into 4 grades, i.e. grade 0 (not visible), grade 1 (partially visible with PDWI), grade 2 (partially visible with T2WI) and grade 3 (clearly visible with T2WI). The visibility of the VA was significantly lower bilaterally in Meniere's disease, vestibular Meniere's disease, cochlear Meniere's disease and idiopathic bilateral sensorineural hearing loss (IBSNHL) than in the other diseases. The differences among Meniere's disease, vestibular Meniere's disease and cochlear Meniere's disease were not significant. The significance of decreased visibility in IBSNHL is unknown so far. The VA studies using MRI strongly suggest that the pathogenesis of Meniere's disease, vestibular Meniere's disease, cochlear Meniere's disease and IBSNHL is, at least in part, related to the findings of the VA.

Evaluation of the vestibular aqueduct in vestibulocochlear disorders by magnetic resonance imaging. Publishing Authors By Initials

T Wada,A Hara,K Takahashi,J Kusakari,H Yoshioka,M Niitsu,Y Itai,

For similar otorhinolaryngologic diseases: ear diseases: retrocochlear diseases: vestibulocochlear nerve diseases research abstracts see: otorhinolaryngologic diseases: ear diseases: retrocochlear diseases: vestibulocochlear nerve diseases research

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Evaluation of the vestibular aqueduct in vestibulocochlear disorders by magnetic resonance imaging. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Acta oto-laryngologica. Supplementum

VOLUME: 542

Page Numbers: 22-8

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ISSN: 0365-5237

DAY: 13

MONTH: 02

YEAR: 2000

Evaluation of the vestibular aqueduct in vestibulocochlear disorders by magnetic resonance imaging. Information

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LANGUAGE: eng

NlmUniqueID: 370355

Evaluation of the vestibular aqueduct in vestibulocochlear disorders by magnetic resonance imaging. Keywords Mesh Terms:

KEYWORDS: Vestibulocochlear Nerve Diseases

MESH TERMS: pathology

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Grant and Affiliation Information for Evaluation of the vestibular aqueduct in vestibulocochlear disorders by magnetic resonance imaging.

AFFILIATION: Department of Otolaryngology, University of Tsukuba, Japan.

Country: NORWAY

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MEDLINETA: Acta Otolaryngol Suppl

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