What is an 8th nerve tumor?

Acoustic neuromas are noncancerous, usually slow growing tumors that form along the branches of the eighth cranial nerve (also called the vestibulocochlear nerve). This nerve leads from the brain to the inner ear and branches into divisions that play important roles in both hearing and balance.

Is a benign tumor of the eighth cranial nerve?

Acoustic neuromas (vestibular schwannomas) are benign Schwann cell tumors that typically arise from the vestibular portion of the eighth cranial nerve. The acoustic neuroma is the most common tumor of the cerebellopontine angle.

What are the symptoms of inner ear tumor?

Signs of an ear tumor include:

  • Dizziness or balance problems.
  • Ear bleeding or discharge.
  • Ear pain.
  • Headaches.
  • Hearing loss.
  • Nonhealing wound or sore.
  • Skin discoloration, new moles or changes to a mole.
  • Swollen lymph nodes.

Is an acoustic neuroma life-threatening?

Large acoustic neuromas can be serious because they can sometimes cause a life-threatening build-up of fluid in the brain (hydrocephalus). But it’s rare for them to reach this stage. Many grow very slowly or not at all, and those that grow more quickly can be treated before they become too big.

What kind of dizziness is associated with brain tumor?

While a brain tumor isn’t likely to be a direct cause of dizziness, some tumors can trigger headaches and bouts of nausea and vomiting that may be associated with a dizzy feeling. This is especially true if an individual experiences frequent vomiting and becomes dehydrated.

What happens if acoustic neuroma goes untreated?

Left untreated, an acoustic neuroma can block the flow of cerebrospinal fluid and cause hydrocephalus, which can in turn lead to severe vision problems and difficulty breathing and swallowing. Fortunately, most patients seek treatment long before an acoustic neuroma reaches this stage.