Acoustic Schwannoma

What is Acoustic Schwannoma?

Acoustic schwannoma, also known as Vestibular schwannoma, is an uncommon cancerous tumour in the nerve connecting the inner ear with the brain. Acoustic schwannoma can lead to hearing loss and unbearable pain in the ear. It can be treated by surgical removal, radiation and regular monitoring by the neurosurgeon specialist.


People with Acoustic Schwannoma often experience the following symptoms or signs:

  • Losing hearing ability
  • Numbness in the face
  • Unsteadiness
  • Vertigo
  • Tinnitus in the ear


The cause of acoustic schwannoma is a malfunction of Chromosome 22(Gene). Chromosome 22 produces a protein that controls the development of Schwann cell.


The main risk factor of acoustic schwannoma is having a parent with the uncommon hereditary issue; neurofibromatosis type 2.


Acoustic schwannoma cannot be prevented. 

How is it diagnosed?

Acoustic schwannoma develops slowly so it may be difficult to detect the tumour at an early stage. Your doctor may conduct the following tests:


How is it treated?

The treatment of the tumour may vary according to the growth and size. Your specialist may suggest the following treatments:


  • Stereotactic radiosurgery

    The objective of stereotactic radiosurgery is to stop the growth of the tumour. A beam of radiation is directed towards the tumour for a small duration.

  • Surgical removal

    The patient may need a surgery to remove an acoustic schwannoma. Depending on the size of the tumour the technique may vary. The tumour is removed through the ear or by making a window in the patient skull.

When do I contact the doctor?

Consult your doctor if you experience symptoms of Acoustic Schwannoma like losing hearing ability or numbness in the face. Early diagnosis help to control the growth of the tumour.

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