Primary brain tumors originate in the brain itself or in tissues close to it, such as in the brain-covering membranes, cranial nerves, pituitary gland or pineal gland.
Primary brain tumors begin when normal cells acquire errors (mutations) in their DNA. These mutations allow cells to grow and divide at increased rates and to continue living when healthy cells would die. The result is a mass of abnormal cells, which forms a tumor.
Primary brain tumors are much less common than are secondary brain tumors, in which cancer begins elsewhere and spreads to the brain.
Many different types of primary brain tumors exist. Our neuro-oncology team provides advanced care for patients with a broad range of central nervous system tumors, including: