Microtia
photo by Janelle Aby, MD
This microtia is more severe than the previous examples. This is lobular microtia, class 3, with atretic ear canal. In this case, no external ear canal could be appreciated on physical exam, and the pinna appeared very poorly developed. As might be expected, the child failed hearing screening testing in this ear. Approximately half of all babies with microtia will have an underlying congenital syndrome, so careful assessment for associated abnormalities (in addition to hearing loss) should be undertaken.
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