J Audiol Otol.  2016 Dec;20(3):179-182. 10.7874/jao.2016.20.3.179.

Neuroglial Choristoma of the Middle Ear with Massive Tympanosclerosis: A Case Report and Literature Review

Affiliations
  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Eulji University School of Medicine, Eulji Medical Center, Seoul, Korea. eardoc11@naver.com
  • 2Department of Pathology, Eulji University School of Medicine, Eulji Medical Center, Seoul, Korea.

Abstract

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.

Keyword

Choristoma; Middle ear; Neuroglia; Encephalocele

MeSH Terms

Choristoma*
Ear, Middle*
Encephalocele
Eustachian Tube
Female
Head
Hearing Loss
Humans
Inhalation
Mastoid
Middle Aged
Mouth
Myringosclerosis*
Nasopharynx
Neck
Neuroglia
Nose
Orbit
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