Microtia

Microtia is a congenital deformity where the pinna (external ear) is underdeveloped. It can be unilateral (one side only) or bilateral (affecting both sides). The condition can vary in severity, ranging from a slightly small ear to complete absence of the ear, a condition known as anotia.

Causes

The exact cause of microtia is unknown, but it is believed to be a combination of genetic and environmental factors. Some studies suggest a link between microtia and maternal diabetes or drug use during pregnancy, but more research is needed to confirm these associations.

Diagnosis

Microtia is usually diagnosed at birth by physical examination. In some cases, a CT scan or MRI may be used to assess the extent of the deformity and any associated conditions, such as hearing loss.

Treatment

Treatment for microtia depends on the severity of the condition and the presence of any associated conditions. In mild cases, no treatment may be necessary. In more severe cases, reconstructive surgery may be performed to create a new ear. This is usually done when the child is older and the facial bones have fully developed.

Prognosis

The prognosis for individuals with microtia is generally good. With appropriate treatment, most individuals can lead normal lives. However, they may face challenges related to hearing loss and social stigma.

See also

• Anotia
• Congenital disorders
• Ear reconstruction

Microtia Resources
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