Publication: Ectopic external auditory canal and ossicular formation in the oculo-auriculo-vertebral spectrum
Issued Date
2015-07-01
Resource Type
ISSN
14321998
03010449
03010449
Other identifier(s)
2-s2.0-84933671142
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Mahidol University
Rights Holder(s)
SCOPUS
Bibliographic Citation
Pediatric Radiology. Vol.45, No.7 (2015), 1099-1102
Suggested Citation
Nucharin Supakul, Stephen F. Kralik, Chang Y. Ho Ectopic external auditory canal and ossicular formation in the oculo-auriculo-vertebral spectrum. Pediatric Radiology. Vol.45, No.7 (2015), 1099-1102. doi:10.1007/s00247-014-3237-0 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/36388
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Title
Ectopic external auditory canal and ossicular formation in the oculo-auriculo-vertebral spectrum
Author(s)
Abstract
© 2014, Springer-Verlag Berlin Heidelberg. Ear abnormalities in oculo-auricular-vertebral spectrum commonly present with varying degrees of external and middle ear atresias, usually in the expected locations of the temporal bone and associated soft tissues, without ectopia of the external auditory canal. We present the unique imaging of a 4-year-old girl with right hemifacial microsomia and ectopic location of an atretic external auditory canal, terminating in a hypoplastic temporomandibular joint containing bony structures with the appearance of auditory ossicles. This finding suggests an early embryological dysfunction involving Meckel’s cartilage of the first branchial arch.