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Choristoma of the Middle Ear: A Component of a New Syndrome?

 

作者: Lisa Buckmiller,   Hilary Brodie,   Karen Doyle,   William Nemzek,  

 

期刊: Otology & Neurotology  (OVID Available online 2001)
卷期: Volume 22, issue 3  

页码: 363-368

 

ISSN:1531-7129

 

年代: 2001

 

出版商: OVID

 

关键词: Choristoma;Congenital hearing loss;Mondini deformities

 

数据来源: OVID

 

摘要:

Case ReportSalivary choristoma of the middle ear is a rare entity. The authors report the 26th known case, which is unique in several respects: the patient had abnormalities of the first and second branchial arches, as well as the otic capsule and facial nerve in ways not yet reported. Our patient presented with bilateral preauricular pits, conchal bands, an ipsilateral facial palsy, and bilateral Mondini-type deformities. A review of the literature revealed salivary choristomas of the middle ear to be frequently associated with branchial arch abnormalities, most commonly the second, as well as abnormalities of the facial nerve.Review of the LiteratureAll 25 cases were reviewed and the results reported with respect to clinical presentation, associated abnormalities, operative findings, and hearing results. It has been proposed that choristoma of the middle ear may represent a component of a syndrome along with unilateral hearing loss, abnormalities of the incus and/or stapes, and anomalies of the facial nerve.ConclusionEighty-six percent of the reported patients with choristoma have three or four of the four criteria listed to designate middle ear salivary choristoma as part of a syndrome. In the remaining four patients, all of the structures were not assessed.

 

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