microtia

Microtia is a congenital malformation of the external ear. It is seen more frequently in males and can occur as a random event or be inherited. In many cases, one ear is affected (unilateral microtia), and if both ears are involved it is called bilateral microtia. The size and shape of the external ear can vary from slightly smaller than normal to a condition known as anotia, where there is a complete absence of the external ear and ear canal. This condition is also often linked to narrowing or closure of the ear canal, and it may be accompanied by attention deficit disorders and delayed language development.

People with microtia may have small, abnormally shaped outer ears. In many cases, only one ear is affected, often the right ear. Additionally, there can be a narrowing or absence of the ear canal. Some individuals also may experience attention deficit disorders and delays in developing language.

Microtia occurs during fetal development and can happen sporadically or be inherited. The exact cause is not fully understood, and no specific genes have been identified related to this condition from the available information.

Information about treatment is currently limited for this condition.

Information about prognosis is currently limited for this condition.

Information about research is currently limited for this condition.