Everything you Need to Know About Microtia


Microtia is a deformity where a child’s ear is malformed and underdeveloped. Microtia occurs in four types, all with different symptoms. Below are the four types of microtia;

  • Grade I- your child might have a small external ear but lacks the ear canal.
  • Grade II- here, the child’s bottom third of the ear might seem underdeveloped. The ear canal might also be missing.
  • Grade III- is the most popular type of microtia. Its symptoms include underdeveloped ears and no ear canal.
  • Grade IV- is the most severe type of microtia and has adverse symptoms.

It is possible to learn more about this condition by studying the anatomy of the ear. Let us dive right into all you need to know about microtia.

What Triggers Microtia?

Microtia often occurs in the first trimester of pregnancy. Its cause remains unknown but is linked to a low carbohydrate intake. The use of acne medicine is an identifiable risk that causes this condition. This medicine is also associated with other conditions.

Another trigger that can put your child at more risk is diabetes. Diabetic mothers have more chances of delivering children with this condition than others. Also, microtia is not inherited genetically. 

How to Diagnose Microtia 

The pediatrician should detect this condition by observing. This doctor can also order an exam to determine its severity. A CAT scan can also help you see the condition’s extent of your child. 

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Microtia can occur alongside other genetic conditions, meaning the doctor can rule out another diagnosis. These physicians can evaluate the child’s kidneys using an ultrasound. 

What are the Best Treatment Options?

Some parties choose not to intervene surgically. Reconstructive surgery cannot be done on an infant’s ear. Most parents wait until they are older if they are uncomfortable with surgery. 

Microtia surgeries are more accessible in children because there is cartilage available for grafting. Below are the best treatment options;

  • Rib Cartilage Surgery 

If you choose to go with a rib graft for your infant, they will have four procedures lasting a year. Doctors eliminate rib cartilage from the child’s chest to resemble an ear. It is then put beneath the skin in the ear’s location. 

After incorporating the new cartilage to position the ear well, surgeries can be done. However, rib surgery is fit for children within eight to ten years. 

  • Medpor Surgery 

This reconstruction surgery entails implanting synthetic materials instead of rib cartilage. This surgery is done simply and has more consistent results than others. 

However, it has a high infection rate and can lead to loss of the implant. Feel free to contact your doctor to learn more about the anatomy of the ear.

  • Prosthetic Ear 

Prosthetics might look natural, and you can wear them via an implanted system. This procedure is minor and has a minimal recovery time. Prosthetics is a good choice for children who cannot undergo reconstruction.

Final Thoughts 

Microtia is a common condition that occurs in children. This condition makes the child’s ears malfunction and underdeveloped. 

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The above article has discussed all you need to know about microtia, but you can consult your doctor for more details. 


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