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You are here : AllRefer.com > Health > Medical Symptoms > Pinna abnormalities and low-set ears

Pinna abnormalities and low-set ears

Alternate Names : Low-set ears, Microtia, "Lop" ear


Definition

Pinna abnormalities and low-set ears refer to abnormalities in the shape or position of the outer ear (pinna or auricle).

Overview & Considerations

During fetal development, the outer ear or "pinna" forms at a time when many other critical organs are developing (such as the kidneys). Abnormalities in the shape or position of the pinna may be a sign that the baby also has other related problems.

Common abnormalities include cysts in the pinna or skin tags.

Many children are born with ears that stick out (prominent or protruding ears). Although people may comment on the ear shape, this condition is a variation of normal and is not associated with other disorders.

However, the following problems may be related to medical conditions:

  • Abnormal folds or location of the pinna
  • Low-set ears
  • No opening to the ear canal
  • No pinna
  • No pinna and ear canal (anotia)
Common Causes

The following common conditions can cause low-set and unusually formed ears:

Rare conditions that can cause low-set and malformed ears include:

Pictures & Images

Ear abnormalities
Ear abnormalities

Pinna of the newborn ear
Pinna of the newborn ear

     
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Review Date : 11/2/2009
Reviewed By : Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.



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