Hemangioblastoma

Hemangioblastoma is a type of tumor that can occur in the brain or spinal cord. This tumor is rare and accounts for less than 2% of all primary brain tumors. Hemangioblastomas are most often found in the posterior fossa region of the brain, which includes the cerebellum and brainstem. These tumors can also occur in the spinal cord. Hemangioblastomas are typically slow-growing tumors and may not cause symptoms for many years. However, as they grow, they can put pressure on surrounding tissue, causing symptoms such as headaches, dizziness, loss of coordination, and problems with vision or hearing. In some cases, hemangioblastomas may also cause seizures. The exact cause of hemangioblastomas is not known, but they are thought to develop from certain cells in the blood vessels. Hemangioblastomas are most commonly diagnosed in adults between the ages of 30 and 50. Treatment for hemangioblastomas may involve surgery to remove the tumor, as well as radiation therapy or chemotherapy. In some cases, a combination of treatments may be used. The long-term outlook for people with hemangioblastomas depends on the size and location of the tumor, as well as the person's overall health. However, with appropriate treatment, many people with hemangioblastomas are able to lead normal, healthy lives.