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Title: Ectopic external auditory canal and ossicular formation in the oculo-auriculo-vertebral spectrum
Authors: Nucharin Supakul
Stephen F. Kralik
Chang Y. Ho
Indiana University School of Medicine Indianapolis
Mahidol University
Riley Children's Hospital
Keywords: Medicine
Issue Date: 1-Jul-2015
Citation: Pediatric Radiology. Vol.45, No.7 (2015), 1099-1102
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.
ISSN: 14321998
Appears in Collections:Scopus 2011-2015

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