MICROTIA: WHAT IS IT?

Microtia is a condition where the external ear, known as the pinna, does not form properly. If one ear is affected, it is called unilateral microtia, in both ears it is bilateral. A completely missing outer ear is called acrotia. Sometimes, the inner ear is not affected, but if it is hearing loss can be more severe (and cochlea implants become a possibility). Scientists know that the condition can be caused by a single genetic deviation, and also by taking isotretinoin, often prescribed for acne, in pregnancy. It is not inherited or caused by eating any particular type of food during pregnancy. Microtia where only the outer ear is affected causes a conductive hearing loss. Sometimes, microtia is part of a syndrome of other conditions where the face looks asymmetrical. Surgery can usually help improve hearing and appearance.