" /> Otosclerosis 1 - CISMeF





Preferred Label : Otosclerosis 1;

Symbol : OTSC1;

CISMeF acronym : OTSC1; OTS;

Type : Phenotype or locus, molecular basis unknown;

Alternative titles and symbols : OTS;

Description : Clinical otosclerosis, the single most common cause of hearing impairment, is characterized by isolated endochondral bone sclerosis of the labyrinthine capsule. Otosclerotic foci invade the stapediovestibular joint (oval window) and interfere with free motion of the stapes. Mean age of onset is in the third decade and 90% of affected persons are under 50 years of age at the time of diagnosis. Approximately 10% of affected persons develop profound sensorineural hearing loss across all frequencies (summary by Tomek et al., 1998). - Genetic Heterogeneity of Otosclerosis The locus associated with otosclerosis-1 (OTSC1) has been mapped to chromosome 15q26.1. Other loci associated with otosclerosis include;

Inheritance : Autosomal dominant with reduced penetrance;

Prefixed ID : %166800;

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14/05/2024


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