Microtia
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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| Microtia | |
|---|---|
| |
| Synonyms | |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Underdeveloped ear, hearing loss |
| Complications | Hearing impairment, psychosocial issues |
| Onset | Congenital |
| Duration | Lifelong |
| Types | N/A |
| Causes | Genetic factors, environmental factors |
| Risks | Family history, maternal diabetes, maternal drug use |
| Diagnosis | Physical examination, imaging studies |
| Differential diagnosis | Anotia, aural atresia |
| Prevention | Prenatal care, genetic counseling |
| Treatment | Reconstructive surgery, hearing aids |
| Medication | N/A |
| Prognosis | Varies |
| Frequency | 1 in 6,000 to 12,000 births |
| Deaths | |
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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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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