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Middle ear prosthesis: significance in magnetic resonance imaging. 1987

J A Leon, and O F Gabriele
West Virginia University Medical Center, Department of Radiology, Morgantown 26506.

The Armstrong model of the Schuknecht gel foam and wire prosthesis was tested in the magnetic field of a 1.5 Tesla magnet. The wire component of the prosthesis was found to be non-magnetic. Patients with this prosthesis can therefore undergo MRI examination safely. Two previous articles from the non radiologic literature concerning the magnetic properties of metallic middle ear prostheses are reviewed.

UI MeSH Term Description Entries
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D009998 Ossicular Prosthesis An implant used to replace one or more of the ear ossicles. They are usually made of plastic, Gelfoam, ceramic, or stainless steel. Implant, Middle Ear,Middle Ear Implant,Ossicular Replacement Prosthesis,PORP,TORP,Implant, Ossicular Replacement,Ossicular Replacement Implant,Ossicular Replacement Prostheses,Prostheses, Ossicular Replacement,Prosthesis, Ossicular Replacement,Replacement Implant, Ossicular,Replacement Prostheses, Ossicular,Replacement Prosthesis, Ossicular,Ear Implant, Middle,Ear Implants, Middle,Implants, Middle Ear,Implants, Ossicular Replacement,Middle Ear Implants,Ossicular Prostheses,Ossicular Replacement Implants,Ossicular Replacement Prosthese,Prostheses, Ossicular,Prosthesis, Ossicular,Replacement Implants, Ossicular
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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