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Otosclerosis


Overview of Otosclerosis

overview

Otosclerosis involves the slow formation of abnormal spongy bone in the middle ear. The growth prevents one of the small bones, the stirrup or stapes, in the middle ear from transmitting sound waves. This leads to hearing loss and usually affects both ears. It is twice as common in females and is most prevalent from ages 15 to 30. Otosclerosis is the most frequent cause of middle ear hearing loss in young adults. It affects about 10% of the population to some degree.

Causes of Otosclerosis

causes

The exact cause is unknown. There may be genetic factors involved as over half of those affected have e positive family history.

Signs and Symptoms of Otosclerosis

signs and symptoms

Symptoms of otosclerosis include slow, progressive hearing loss. Frequently, there may be ringing in the ears, or tinnitus. The rate of hearing loss may increase during pregnancy.



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Medical Content Last Updated on 07/12/2008

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