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KMID : 1039520160200030179
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Journal of Audiology & Otology
2016 Volume.20 No. 3 p.179 ~ p.182
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Neuroglial Choristoma of the Middle Ear with Massive Tympanosclerosis: A Case Report and Literature Review
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Shim Hyun-Joon
Kang Yong-Kyung
An Yong-Hwi
Hong Young-Ok
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Abstract
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Neuroglialchoristoma is a rare cerebral heterotopia typically involving extracranial midline structures of the head and neck, including the nose, nasopharynx and oral cavity. It rarely involves non-midline structures, such as the middle ear, mastoid and orbit. We report the case of a 63-year-old woman with right-sided hearing loss and aural fullness who was diagnosed with neuroglialchoristoma of the middle ear and mastoid. To our knowledge, this is the first report on neuroglialchoristomawith massive tympanosclerosis. The presence of combination supported the inhalation theory of neuroglialchoristoma, given that tympanosclerosis is typically caused by Eustachian tube dysfunction.
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KEYWORD
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Choristoma, Middle ear, Neuroglia, Encephalocele
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