Brain tumor is a disease that refers to the abnormal growth of cells in the tissues of the brain. They can be cancerous (malignant) or non-cancerous (benign). Both malignant and benign tumors have symptoms and they need treatment. They can occur in both children and adults. There are many types of brain tumors and they can form in different parts of the brain. When a tumor grows and presses on a specific area of the brain, it can stop that part of the brain from functioning in an effective manner. One of the important things that you need to remember is that some tumor locations may cause more damage than the others and they may also be harder to treat. Types of brain tumor Grade I – This is a separate group of tumors commonly known as juvenile pilocytic astrocytoma (JPA). Juvenile does not refer to the age of the patient but a type of cell. It includes lesions with low proliferative potential. The tumor often forms in the dura mater. The tumor cells look