Dizziness is a symptom not a disease. It may be defined as a sensation of unsteadiness, imbalance, or disorientation in relation to an individual’s surroundings.
The inner ear is a delicate membraneous sense organ, which is encased in a bony shell. It is suspended within a latice-like bony framework, called the mastoid bone, which is located behind the outer ear.
Acoustic tumors are fibrous growths originating from the balance nerve and are not malignant. They do not spread to other parts of the brain, other than by direct extension.