Abnormal Congenital Location of Stapes' Superstructure: Clinical and Embryological Implications

• Type: Article in International Scientific Journal
• Date: 2016

Authors

Henriques, V (Author) Other; Teles, R (Author) Other; Sousa, A (Author) Other; Estevao, R (Author) Other; Rodrigues, J (Author) FMUP; Gomes, A (Author) Other; Silva, F (Author) Other; Fernandes, A (Author) Other; Fernandes, F (Author) Other

Journal

The Journal is awaiting validation by the Administrative Services.

Title: CASE REPORTS IN OTOLARYNGOLOGY

Vol. 2016

Pages: 1-4

ISSN: 2090-6765

Indexing

ISI Web of Knowledge - 1 Citation

Other information

Authenticus ID: P-00K-WXA

DOI: 10.1155/2016/2598962

Abstract (EN): Congenital middle ear malformations are rare. Most part of them are usually associated with other malformations, such as aural atresia, microtia, and dysmorphic craniofacial features. A clinical case of a 24-year-old male with a right-sided conductive hearing loss since his childhood, without craniofacial malformation, is presented. He was proposed for exploratory tympanotomy under the suspicious diagnosis of otosclerosis. The surgery revealed an abnormal location of stapes' superstructure, which was attached to the promontory and had an isolated and mobile osseous footplate in the oval window. A stapes prosthesis was inserted and resulted in closure of the air-bone gap by 25 dB. A review of the literature was also performed using MEDLINE. Two theories diverge on the embryologic origin of the stapes. Our findings seem to be in favour of the theory that defines two different embryologic origins to the stapes.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 4