Micro-magnetic resonance imaging of the inner ear in the guinea pig

We applied a magnetic resonance microscopy at 7.05 T with a gradient coil unit to image the fine structure of the guinea pig cochlea. First, a three‐dimensional MR image of the surface of the cochlea was obtained to select the location of cross‐sectional images. Then, cross‐sectional images of the b...

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Veröffentlicht in:NMR in biomedicine 1997-01, Vol.10 (1), p.31-34
Hauptverfasser: Koizuka, Izumi, Seo, Yoshiteru, Murakami, Masataka, Seo, Ritsu, Kato, Isao
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container_end_page 34
container_issue 1
container_start_page 31
container_title NMR in biomedicine
container_volume 10
creator Koizuka, Izumi
Seo, Yoshiteru
Murakami, Masataka
Seo, Ritsu
Kato, Isao
description We applied a magnetic resonance microscopy at 7.05 T with a gradient coil unit to image the fine structure of the guinea pig cochlea. First, a three‐dimensional MR image of the surface of the cochlea was obtained to select the location of cross‐sectional images. Then, cross‐sectional images of the basal turn, the second turn and the apical turn of the cochlea were obtained. Based upon the different protein concentrations of the endolymph vs the perilymph, the scala vestibuli, scala tympani and the cochlear duct could be clearly distinguished. This allowed a determination of the location of both the basilar membrane and Reissner's membrane. We raise the possibility that MRM may become useful in the diagnosis of endolymphatic hydrops (Meniere's disease). © 1997 John Wiley & Sons, Ltd.
doi_str_mv 10.1002/(SICI)1099-1492(199701)10:1<31::AID-NBM446>3.0.CO;2-U
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subjects animal
Animals
Biological and medical sciences
cochlea
Cochlea - anatomy & histology
Guinea Pigs
Image Processing, Computer-Assisted - methods
Investigative techniques, diagnostic techniques (general aspects)
Magnetic Resonance Imaging - methods
Medical sciences
MRI
Otorhinolaryngology. Stomatology. Orbit
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Reissnet's membrane
title Micro-magnetic resonance imaging of the inner ear in the guinea pig
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