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Cryptotia

Field	Value
name	Cryptotia
synonyms	Familial cryptotia
image	Autosomal dominant - en.svg
image_size	150px
caption	This condition is inherited in an autosomal dominant manner

| Cryptotia is the condition where an ear appears to have its upper portion buried underneath the side of the head. The condition also involves underdeveloped scapha and antihelical crura. Cryptotia is also known as buried ear or hidden ear.

Signs and symptoms

The invagination of the upper portion of the auricle beneath the auricular cartilage deformity is one of the most prevalent characteristics of cryptotia.

Diagnosis

Based on the kind of antihelix deformity and the condition of the intrinsic auricular muscle, there are two types of cryptotia. Type I cryptotia is characterized by compression of the antihelix's body and superior crus, burying the upper portion beneath the skin. The inferior crus of the antihelix is severely bent over in type II cryptotia, and the antihelix's body has contracted grossly.

Treatment

Cyptotia can easily be treated with ear molds when the child is still a newborn as the maternal estrogen still present in baby helps to reshape the ear. If cryptotia isn't corrected in infancy it can be treated later in life when the ears are fully grown (around age 5 or 6) through surgery which involves releasing the ear from its buried position, reshaping the cartilage and using local tissue to resurface the released cartilage.{{cite web

Epidemiology

Cryptotia is common amongst Asians but rare in Europeans. Based on studies the incident of cryptotia in Japan is about 1 in every 400 births.

References

"OMIM Entry - 123557 - CRYPTOTIA, FAMILIAL".
Bray, David Jr.. "Cryptotia".
(1985). "Cryptotia: our classification and treatment". Elsevier BV.
"Ear Molding | Children's Hospital of Philadelphia".
(2012). "Considerations for the Management of Cryptotia Based on the Experience of 34 Patients". Georg Thieme Verlag KG.
(1972). "Treatment of Cryptotia, Using Teflon String". Ovid Technologies (Wolters Kluwer Health).

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

congenital-disorders-of-ears diseases-of-the-ear-and-mastoid-process

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