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Ectopic external auditory canal and ossicular formation in the oculo-auriculo-vertebral spectrum

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Abstract

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.

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Authors and Affiliations

  1. Department of Radiology, Indiana University School of Medicine, Indianapolis, IN, USA

    Nucharin Supakul, Stephen F. Kralik & Chang Y. Ho

  2. Department of Diagnostic and Therapeutic Radiology, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand

    Nucharin Supakul

  3. MRI Department, Riley Children’s Hospital, 705 Riley Hospital Drive, Indianapolis, IN, 46202, USA

    Chang Y. Ho

Authors
  1. Nucharin Supakul
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  2. Stephen F. Kralik
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  3. Chang Y. Ho
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Correspondence to Chang Y. Ho.

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Supakul, N., Kralik, S.F. & Ho, C.Y. Ectopic external auditory canal and ossicular formation in the oculo-auriculo-vertebral spectrum. Pediatr Radiol 45, 1099–1102 (2015). https://doi.org/10.1007/s00247-014-3237-0

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  • DOI: https://doi.org/10.1007/s00247-014-3237-0

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