Conditions & Treatments
Aural atresia refers to the absence an external ear canal. When someone has aural atresia, there is a high incidence of malformation of the external ear, known as Microtia. Atresia/Microtia is frequently isolated, meaning, the patient with atresia and/or microtia has no other health problems.
However, approximately 40 % of the time, Atresia/Microtia is one symptom of a larger syndrome, such as:
The only known source of atresia without microtia that can be confirmed by blood test is Chromosome 18q- syndrome.
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