An acoustic neuroma (more accurately called a vestibular schwannoma, also known as an acoustic tumour) is a benign growth that arises from the hearing and balance nerve. This nerve, known as the eighth cranial nerve, runs next to the facial nerve from the brainstem to the inner ear through a small bony canal, the internal auditory canal. The first symptom is usually a gradual loss of hearing in one ear, often accompanied by ringing in the ear (tinnitus) or a feeling of fullness in the ear. Less commonly, acoustic neuromas may cause sudden hearing loss.
Treatment Surgery for acoustic neuromas may involve removing all or part of the tumor. There are three main surgical approaches for removing an acoustic neuroma: · Translabyrinthine, which involves making an incision behind the ear and removing the bone behind the ear and some of the middle ear. This procedure is used for tumors larger than 3 centimeters. The upside of this approach is that it allows the surgeon to see an important cranial nerve (the facial nerve) clearly before removing the tumor. The downside of this technique is that it results in permanent hearing loss.
each year, 4 in 620,856 people develops.
each child of a parent with the condition has a 46% chance of developing the condition, too.