Enlarged vestibular aqueduct
Enlarged Vestibular Aqueduct (EVA)
Enlarged Vestibular Aqueduct (EVA), pronounced as /ɪnˈlɑːrdʒd vɛstɪˈbjuːlər ˈækwədʌkt/, is a medical condition characterized by an abnormally large vestibular aqueduct in the inner ear. The term originates from the Latin words "enlarged" meaning increased in size, "vestibular" referring to the vestibule part of the inner ear, and "aqueduct" meaning a conduit or canal.
Symptoms
The symptoms of EVA can vary greatly among individuals. However, common symptoms include hearing loss, vertigo, and tinnitus. The hearing loss is often fluctuating or progressive, and may be associated with a sudden drop in hearing.
Causes
The exact cause of EVA is unknown. However, it is believed to be a congenital condition, meaning it is present at birth. Some researchers believe that it may be caused by a genetic mutation, although this has not been definitively proven.
Diagnosis
Diagnosis of EVA is typically made through imaging studies such as MRI or CT scan. These tests can show the size of the vestibular aqueduct and help to rule out other causes of the symptoms.
Treatment
There is currently no cure for EVA. Treatment is focused on managing the symptoms and may include hearing aids, cochlear implants, and vestibular rehabilitation therapy.
Prognosis
The prognosis for individuals with EVA varies. Some individuals may have mild symptoms and lead normal lives, while others may experience severe hearing loss and balance problems.
See also
References
External links
- Medical encyclopedia article on Enlarged vestibular aqueduct
- Wikipedia's article - Enlarged vestibular aqueduct
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