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  • Title: Congenital deformities of the middle and external ear.
    Author: Phelps PD, Lloyd GA, Sheldon PW.
    Journal: Br J Radiol; 1977 Oct; 50(598):714-27. PubMed ID: 922280.
    Abstract:
    Congenital deformities of the external and middle ears were shown by tomography in 246 patients. Surgical exploration has been undertaken at some time in many of these ears. The appearance of the tomograms and their significance were reviewed in the light of the operative findings and the authors' experience of congenital ear lesions. In nearly every case a middle ear cavity could be demonstrated although this varied from a normally aerated middle ear and mastoid in association with an isolated unilateral atresia of the external auditory meatus to a small slit-like hypotympanum in patients with craniofacial abnormalities. The ossicles were nearly always present but deformed. The typical appearances of the ossicles and the frequently aberrant pathways of the facial nerve are described.
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