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Retrocochlear Hearing Loss

Retrocochlear hearing loss, sometimes called neural hearing loss, is a type of sensorineural hearing loss characterized by normal inner ear structures but impaired propagation of neural signals from the inner ear to the central nervous system (CNS). Most commonly, retrocochlear hearing loss results from disorders of the cochlear nerve. Although distinct from cochlear hearing loss (also known as sensory hearing loss), both conditions may exist simultaneously. Audiological testing patterns may sometimes, but not always, distinguish between sensory (cochlear) hearing loss and neural (retrocochlear) hearing loss. The most common etiology of a retrocochlear hearing loss is a tumor involving the vestibulocochlear nerve. This entry discusses the diagnosis of retrocochlear hearing loss and the most common etiologies encountered.

Conductive and Sensorineural Hearing Losses

The human ear is a finely ...

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