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Eur Arch Otorhinolaryngol. 2010 Sep;267(9):1337-49. doi: 10.1007/s00405-010-1292-1. Epub 2010 Jun 9.

Etiopathogenesis of otosclerosis.

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  • 1Department of Otolaryngology Head and Neck Surgery, Medical and Health Science Center, University of Debrecen, Nagyerdei Krt. 98, Debrecen, 4032, Hungary.


The objectives of our study was to review our current knowledge of the etiopathogenesis of otosclerotic bone remodeling including genetics, viral infection, autoimmunity and inflammation and to discuss disease pathogenesis with relevance to pharmacotherapy. Relevant publications on the etiopathogenesis, molecular biology, genetics and histopathology of otosclerosis from 1984 to 2009 were analyzed. Otosclerosis is a bone remodeling disorder of the human otic capsule; however, the etiopathogenesis remains unclear. Genetic predisposition, disturbed bone metabolism, persistent measles virus infection, autoimmunity, and hormonal and environmental factors also may play contributing roles in the pathogenesis of otosclerosis. Since diagnosis of otosclerosis is still based on histopathological examination of the removed stapes footplate, systemic prospective studies based on comprehensive histopathological and molecular biological analysis are necessary to obtain further information on the background of the disease.

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