A brain tumor arises when some brain cells start to multiply abnormally, creating a mass inside the skull. There are several types of brain tumors, from benign to malignant, the latter called brain cancer. A brain tumor can originate in the brain itself or be a metastasis of cancer that originates in another part of the body, such as breast cancer or skin cancer, for example.
Benign paroxysmal positional vertigo (BPPV), also called positional vertigo or postural vertigo, is the most common cause of vertigo, and is characterized by brief episodes of dizziness triggered, usually by head movements. Benign paroxysmal positional vertigo arises from problems in the inner ear, which is one of the organs responsible for our balance.
The cerebral aneurysm is a balloon-shaped protrusion that arises in one or more cerebral arteries due to a weakening of the vessel wall. The aneurysm has a much weaker wall than the healthy artery and, therefore, presents a high risk of rupture and may cause severe cerebral hemorrhages.
Dizziness is a term, which is difficult to define, and is often mistakenly used to describe feelings as imbalance, nausea, hypotension, weakness, double vision, blurred vision or discomfort.
